CH395L (LQFP-128(14x14)) — Schematic Symbol, IPC-7351B Footprint & 3D STEP Model

Pin	Symbol	Type	Function (EN)
1	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
2	GND	GND	Ground Reference Pin (GND)
3	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
4	GND	GND	Ground Reference Pin (GND)
5	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
6	RSETE	I/O	Multiplexed I/O & Peripheral Pin RSETE (General)
7	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
8	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
9	GND	GND	Ground Reference Pin (GND)
10	RXP	I/O	Multiplexed I/O & Peripheral Pin RXP (General)
11	RXN	I/O	Multiplexed I/O & Peripheral Pin RXN (General)
12	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
13	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
14	TXP	I/O	Multiplexed I/O & Peripheral Pin TXP (General)
15	TXN	I/O	Multiplexed I/O & Peripheral Pin TXN (General)
16	GND	GND	Ground Reference Pin (GND)
17	GND	GND	Ground Reference Pin (GND)
18	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
19	XI	I/O	Multiplexed I/O & Peripheral Pin XI (RTC/CLK)
20	XO	I/O	Multiplexed I/O & Peripheral Pin XO (RTC/CLK)
21	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
22	GND	GND	Ground Reference Pin (GND)
23	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
24	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
25	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
26	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
27	GND	GND	Ground Reference Pin (GND)
28	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
29	GND	GND	Ground Reference Pin (GND)
30	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
31	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
32	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
33	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
34	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
35	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
36	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
37	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
38	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
39	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
40	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
41	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
42	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
43	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
44	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
45	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
46	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
47	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
48	GPIO0	I/O	Multiplexed I/O & Peripheral Pin GPIO0 (General)
49	GPIO1	I/O	Multiplexed I/O & Peripheral Pin GPIO1 (General)
50	GPIO2	I/O	Multiplexed I/O & Peripheral Pin GPIO2 (General)
51	RDY#/GPIO3	I/O	Multiplexed I/O & Peripheral Pin RDY#/GPIO3 (General)
52	RST	I/O	Multiplexed I/O & Peripheral Pin RST (General)
53	SEL	I/O	Multiplexed I/O & Peripheral Pin SEL (General)
54	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
55	GND	GND	Ground Reference Pin (GND)
56	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
57	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
58	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
59	GPIO4	I/O	Multiplexed I/O & Peripheral Pin GPIO4 (General)
60	GPIO5	I/O	Multiplexed I/O & Peripheral Pin GPIO5 (General)
61	GPIO6	I/O	Multiplexed I/O & Peripheral Pin GPIO6 (General)
62	GPIO7	I/O	Multiplexed I/O & Peripheral Pin GPIO7 (General)
63	RSTI	I/O	Multiplexed I/O & Peripheral Pin RSTI (General)
64	GND	GND	Ground Reference Pin (GND)
65	GND	GND	Exposed Thermal & Ground Pad (GND)
66	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
67	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
68	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
69	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
70	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
71	GND	GND	Ground Reference Pin (GND)
72	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
73	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
74	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
75	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
76	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
77	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
78	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
79	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
80	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
81	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
82	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
83	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
84	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
85	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
86	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
87	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
88	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
89	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
90	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
91	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
92	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
93	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
94	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
95	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
96	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
97	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
98	INT#	I/O	Multiplexed I/O & Peripheral Pin INT# (General)
99	AO	I/O	Multiplexed I/O & Peripheral Pin AO (General)
100	PCS#	I/O	Multiplexed I/O & Peripheral Pin PCS# (General)
101	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
102	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
103	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
104	ELINK#	I/O	Multiplexed I/O & Peripheral Pin ELINK# (General)
105	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
106	RD#	I/O	Multiplexed I/O & Peripheral Pin RD# (General)
107	WR#	I/O	Multiplexed I/O & Peripheral Pin WR# (General)
108	VCC18	Power	Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
109	GND	GND	Ground Reference Pin (GND)
110	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
111	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
112	RXD	I/O	Multiplexed I/O & Peripheral Pin RXD (UART)
113	TXD	I/O	Multiplexed I/O & Peripheral Pin TXD (UART)
114	SCS	I/O	Multiplexed I/O & Peripheral Pin SCS (General)
115	SCK	I/O	Multiplexed I/O & Peripheral Pin SCK (SPI)
116	SDI	I/O	Multiplexed I/O & Peripheral Pin SDI (General)
117	SDO	I/O	Multiplexed I/O & Peripheral Pin SDO (General)
118	DO	I/O	Multiplexed I/O & Peripheral Pin DO (General)
119	D1	I/O	Multiplexed I/O & Peripheral Pin D1 (General)
120	D2	I/O	Multiplexed I/O & Peripheral Pin D2 (General)
121	D3	I/O	Multiplexed I/O & Peripheral Pin D3 (General)
122	VCC33	Power	Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
123	D4	I/O	Multiplexed I/O & Peripheral Pin D4 (General)
124	D5	I/O	Multiplexed I/O & Peripheral Pin D5 (General)
125	D6	I/O	Multiplexed I/O & Peripheral Pin D6 (General)
126	D7	I/O	Multiplexed I/O & Peripheral Pin D7 (General)
127	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)
128	NC	I/O	Multiplexed I/O & Peripheral Pin NC (General)

Symbol

Type

Function (EN)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

GND

GND

Ground Reference Pin (GND)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

RSETE

I/O

Multiplexed I/O & Peripheral Pin RSETE (General)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

GND

GND

Ground Reference Pin (GND)

RXP

I/O

Multiplexed I/O & Peripheral Pin RXP (General)

RXN

I/O

Multiplexed I/O & Peripheral Pin RXN (General)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

TXP

I/O

Multiplexed I/O & Peripheral Pin TXP (General)

TXN

I/O

Multiplexed I/O & Peripheral Pin TXN (General)

GND

GND

Ground Reference Pin (GND)

GND

GND

Ground Reference Pin (GND)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin XI (RTC/CLK)

I/O

Multiplexed I/O & Peripheral Pin XO (RTC/CLK)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

GPIO0

I/O

Multiplexed I/O & Peripheral Pin GPIO0 (General)

GPIO1

I/O

Multiplexed I/O & Peripheral Pin GPIO1 (General)

GPIO2

I/O

Multiplexed I/O & Peripheral Pin GPIO2 (General)

RDY#/GPIO3

I/O

Multiplexed I/O & Peripheral Pin RDY#/GPIO3 (General)

RST

I/O

Multiplexed I/O & Peripheral Pin RST (General)

SEL

I/O

Multiplexed I/O & Peripheral Pin SEL (General)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

GPIO4

I/O

Multiplexed I/O & Peripheral Pin GPIO4 (General)

GPIO5

I/O

Multiplexed I/O & Peripheral Pin GPIO5 (General)

GPIO6

I/O

Multiplexed I/O & Peripheral Pin GPIO6 (General)

GPIO7

I/O

Multiplexed I/O & Peripheral Pin GPIO7 (General)

RSTI

I/O

Multiplexed I/O & Peripheral Pin RSTI (General)

GND

GND

Ground Reference Pin (GND)

GND

GND

Exposed Thermal & Ground Pad (GND)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

GND

GND

Ground Reference Pin (GND)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

I/O

Multiplexed I/O & Peripheral Pin NC (General)

INT#

I/O

Multiplexed I/O & Peripheral Pin INT# (General)

I/O

Multiplexed I/O & Peripheral Pin AO (General)

100

PCS#

I/O

Multiplexed I/O & Peripheral Pin PCS# (General)

101

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

102

I/O

Multiplexed I/O & Peripheral Pin NC (General)

103

I/O

Multiplexed I/O & Peripheral Pin NC (General)

104

ELINK#

I/O

Multiplexed I/O & Peripheral Pin ELINK# (General)

105

I/O

Multiplexed I/O & Peripheral Pin NC (General)

106

RD#

I/O

Multiplexed I/O & Peripheral Pin RD# (General)

107

WR#

I/O

Multiplexed I/O & Peripheral Pin WR# (General)

108

VCC18

Power

Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)

109

GND

GND

Ground Reference Pin (GND)

110

I/O

Multiplexed I/O & Peripheral Pin NC (General)

111

I/O

Multiplexed I/O & Peripheral Pin NC (General)

112

RXD

I/O

Multiplexed I/O & Peripheral Pin RXD (UART)

113

TXD

I/O

Multiplexed I/O & Peripheral Pin TXD (UART)

114

SCS

I/O

Multiplexed I/O & Peripheral Pin SCS (General)

115

SCK

I/O

Multiplexed I/O & Peripheral Pin SCK (SPI)

116

SDI

I/O

Multiplexed I/O & Peripheral Pin SDI (General)

117

SDO

I/O

Multiplexed I/O & Peripheral Pin SDO (General)

118

I/O

Multiplexed I/O & Peripheral Pin DO (General)

119

I/O

Multiplexed I/O & Peripheral Pin D1 (General)

120

I/O

Multiplexed I/O & Peripheral Pin D2 (General)

121

I/O

Multiplexed I/O & Peripheral Pin D3 (General)

122

VCC33

Power

Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)

123

I/O

Multiplexed I/O & Peripheral Pin D4 (General)

124

I/O

Multiplexed I/O & Peripheral Pin D5 (General)

125

I/O

Multiplexed I/O & Peripheral Pin D6 (General)

126

I/O

Multiplexed I/O & Peripheral Pin D7 (General)

127

I/O

Multiplexed I/O & Peripheral Pin NC (General)

128

I/O

Multiplexed I/O & Peripheral Pin NC (General)

Mechanical Dimensions & Land Pattern (LQFP-128(14x14))

Extracted from Datasheet & IPC-7351B Normalized

Package Body (D × E)Nominal

14.00 × 14.00 mm

Height (A) & Pitch (e)IPC-7351B

A=1.60mm · e=0.40mm

Pad Size (W × L)Level B

0.24 × 1.25 mm

Pins / Total PadsTopology

128P / 128Pad (QUAD_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives

DFM READY

Designator / Replacement MPN	Value / Package	Function & PCB Layout Rule
N/A BOM	Per application circuit LQFP-128(14x14)	Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — CH395L (LQFP-128(14x14))

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats

IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of CH395L (LQFP-128(14x14))?

Manufactured by WCH, the CH395L is housed in a LQFP-128(14x14) package with 128 pins and a 0.40 mm lead pitch. Key pins include: 1 (VCC18: Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)), 2 (GND: Ground Reference Pin (GND)), 3 (NC: Multiplexed I/O & Peripheral Pin NC (General)), 4 (GND: Ground Reference Pin (GND)), 5 (VCC18: Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)), 6 (RSETE: Multiplexed I/O & Peripheral Pin RSETE (General)).

What are the IPC-7351B PCB Footprint dimensions for CH395L?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), CH395L (LQFP-128(14x14)) has a nominal body envelope of 14.00 × 14.00 mm, pitch e = 0.40 mm, and 128 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for CH395L?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for CH395L (WCH, LQFP-128(14x14)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (128 pins) & CH395 Family VariantsExpand static table

Pin #	Signal Name	Electrical Type	Functional Description & Design Notes
1	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
2	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
3	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
4	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
5	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
6	RSETE	Digital_IO	Signal terminal RSETE (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RSETE. Supported peripheral buses: General.
7	VCC33	Power_In	Primary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
8	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
9	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
10	RXP	Digital_IO	Signal terminal RXP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXP. Supported peripheral buses: General.
11	RXN	Digital_IO	Signal terminal RXN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXN. Supported peripheral buses: General.
12	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
13	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
14	TXP	Digital_IO	Signal terminal TXP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXP. Supported peripheral buses: General.
15	TXN	Digital_IO	Signal terminal TXN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXN. Supported peripheral buses: General.
16	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
17	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
18	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
19	XI	Digital_IO	Signal terminal XI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XI. Supported peripheral buses: RTC/CLK.
20	XO	Digital_IO	Signal terminal XO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XO. Supported peripheral buses: RTC/CLK.
21	VCC33	Power_In	Primary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
22	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
23	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
24	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
25	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
26	VCC33	Power_In	Primary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
27	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
28	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
29	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
30	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
31	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
32	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
33	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
34	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
35	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
36	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
37	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
38	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
39	VCC33	Power_In	Primary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
40	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
41	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
42	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
43	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
44	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
45	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
46	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
47	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
48	GPIO0	Digital_IO	Signal terminal GPIO0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO0. Supported peripheral buses: General.
49	GPIO1	Digital_IO	Signal terminal GPIO1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO1. Supported peripheral buses: General.
50	GPIO2	Digital_IO	Signal terminal GPIO2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO2. Supported peripheral buses: General.
51	RDY#/GPIO3	Digital_IO	Signal terminal RDY#/GPIO3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RDY#/GPIO3. Supported peripheral buses: General.
52	RST	Digital_IO	Signal terminal RST (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RST. Supported peripheral buses: General.
53	SEL	Digital_IO	Signal terminal SEL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SEL. Supported peripheral buses: General.
54	VCC18	Power_In	Primary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
55	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
56	VCC33	Power_In	Primary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
57	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
58	NC	NC	Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
59	GPIO4	Digital_IO	Signal terminal GPIO4 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO4. Supported peripheral buses: General.
60	GPIO5	Digital_IO	Signal terminal GPIO5 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO5. Supported peripheral buses: General.
61	GPIO6	Digital_IO	Signal terminal GPIO6 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO6. Supported peripheral buses: General.
62	GPIO7	Digital_IO	Signal terminal GPIO7 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GPIO7. Supported peripheral buses: General.
63	RSTI	Digital_IO	Signal terminal RSTI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RSTI. Supported peripheral buses: General.
64	GND	GND	0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.

4D Studio: CH395L Permalink: /part/C2685238 WCH LQFP-128(14x14)All Packages All Manufacturers

CH395L

Synchronized Pinout (Symbol / 2D / 3D) (128/128)

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 8 Extracted Figures)

Technical Specifications & Part Details (CH395L)

5-Point Standards Verification

Hardware Verification & Community Engineering Reviews

Mechanical Dimensions & Land Pattern (LQFP-128(14x14))

Recommended Companion BOM & Drop-In Equivalents

Technical Frequently Asked Questions (FAQ) — CH395L (LQFP-128(14x14))

What is the Pinout and operating voltage specification of CH395L (LQFP-128(14x14))?

What are the IPC-7351B PCB Footprint dimensions for CH395L?

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for CH395L?