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CH442E (MSOP-10) — Symbol, Footprint IPC-7351B & 3D STEP Model

CH442E

WCHID: C150097MSOP-10 · 10 Pins · Pitch 0.50mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · CH442E (MSOP-10)1EN#2IN1 IN0 、3S4A S4B 、4S3A S3B 、5S2A S2B 、10S1A S1B 、9YA YB 、8GND7YA YB 、6S1A S1B 、Grid Pitch = 2.54mm (IEEE-315)-15.2-10.2-5.105.110.215.212.77.62.5-2.5-7.6-12.7mm
2. 2D FOOTPRINT
12345678910E=3.00mm · Pitch e=0.50mmD=3.00mm-5-4-3-2-10123453210-1-2-3mm
3. 3D CAD MODEL
Package Body: 3.00mm × 3.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (10/10)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1EN#I/OMultiplexed I/O & Peripheral Pin EN# (General)
2IN1 IN0 、I/OMultiplexed I/O & Peripheral Pin IN1 IN0 、 (General)
3S4A S4B 、I/OMultiplexed I/O & Peripheral Pin S4A S4B 、 (General)
4S3A S3B 、I/OMultiplexed I/O & Peripheral Pin S3A S3B 、 (General)
5S2A S2B 、I/OMultiplexed I/O & Peripheral Pin S2A S2B 、 (General)
6S1A S1B 、I/OMultiplexed I/O & Peripheral Pin S1A S1B 、 (General)
7YA YB 、I/OMultiplexed I/O & Peripheral Pin YA YB 、 (General)
8GNDGNDGround Reference Pin (GND)
9YA YB 、I/OMultiplexed I/O & Peripheral Pin YA YB 、 (General)
10S1A S1B 、I/OMultiplexed I/O & Peripheral Pin S1A S1B 、 (General)
PIN 1 EN#
I/O
Multiplexed I/O & Peripheral Pin EN# (General)
Design note: 全局使能输入 低电平有效 ，
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 9 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: CH442E (WCH · MSOP-10)
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
CH442E (MSOP-10) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
CH442E (MSOP-10) - 2. Standard Pinout (Top View)
True package pinout (10 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
CH442E (MSOP-10) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
CH442E (MSOP-10) - 4. Package Dimensions (D×E×A)
MSOP-10 · 3.00×3.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
CH442E (MSOP-10) - 5. Recommended Land Pattern
IPC-7351B Footprint (10 Pads)Expand ›
6. Application SchematicSCHEMATIC
CH442E (MSOP-10) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (9 figures · Page 1/1)
Showing 1–9 of 9 uncropped original figures for CH445 / CH448 / CH440
P2 · p02_fig011491×1615px
CH442E (MSOP-10) — 3、引脚排列
3、引脚排列
P2 · p02_fig01P2
CH442E (MSOP-10) — Datasheet Page 2 (p02_fig01)
Datasheet Page 2 (p02_fig01)
P9 · p09_fig011725×2761px
CH442E (MSOP-10) — CH440/CH442/CH443/CH444/CH445/CH448 手册 ９ | 6.3. 额定5V 芯片电气参数@3.3V（测试条件：TA=25℃，VCC=VDD=3.3V，不含CH445） | 6.4. 额定5V 芯片模拟开关时序参数（测试条件：TA=25℃，VCC=VDD=5V，VANA=0V，不含CH445） | 名称 参数说明 最小值 典型值 最大值 单位 CIN 数字输入引脚电容，F=1MHz 4 8 pF | COFF CH448 开关关闭时模拟信号引脚电容
CH440/CH442/CH443/CH444/CH445/CH448 手册 ９ | 6.3. 额定5V 芯片电气参数@3.3V（测试条件：TA=25℃，VCC=VDD=3.3V，不含CH445） | 6.4. 额定5V 芯片模拟开关时序参数（测试条件：TA=25℃，VCC=VDD=5V，VANA=0V，不含CH445） | 名称 参数说明 最小值 典型值 最大值 单位 CIN 数字输入引脚电容，F=1MHz 4 8 pF | COFF CH448 开关关闭时模拟信号引脚电容
P9 · p09_fig01P9
CH442E (MSOP-10) — Datasheet Page 9 (p09_fig01)
Datasheet Page 9 (p09_fig01)
P10 · p10_fig011704×2198px
CH442E (MSOP-10) — 6.5. 额定3.3V 芯片电气参数@3.3V（测试条件：TA=25℃，VCC=3.3V，仅CH445）
6.5. 额定3.3V 芯片电气参数@3.3V（测试条件：TA=25℃，VCC=3.3V，仅CH445）
P11 · p11_fig011506×749px
CH442E (MSOP-10) — VCOM(V) 6.8.2 CH445 的模拟开关导通电阻RON 与模拟信号电压VCOM 的相关性（TA=25℃） RON (Ω)
VCOM(V) 6.8.2 CH445 的模拟开关导通电阻RON 与模拟信号电压VCOM 的相关性（TA=25℃） RON (Ω)
P11 · p11_fig021543×684px
CH442E (MSOP-10) — VCOM(V)
VCOM(V)
P17 · p17_fig011210×1387px
CH442E (MSOP-10) — D 6 =a] 7 1 a a TEE.
D 6 =a] 7 1 a a TEE.
P17 · p17_fig01P17
CH442E (MSOP-10) — Datasheet Page 17 (p17_fig01)
Datasheet Page 17 (p17_fig01)

Technical Specifications & Part Details (CH442E)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:CH442E (MSOP-10) is a 10-pin standard electronic & interconnect component featuring a 3.00 × 3.00 × 1.10 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated USB interfaces.
Operating Supply VoltageV_CC / V_DD
1.8V ~ 5.5V (Theo Datasheet)
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
550 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
3.00 × 3.00 × 1.10 mm (A1=0.10 mm)
Package family: TSSOP (MSOP-10)
Pin Count & Lead PitchN / e
10 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
USB
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Verify Pin-1 chamfer orientation on Top Silkscreen prior to SMT pick-and-place assembly.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol10 auto-grouped pins
OK
IPC-7351B Land Pattern10 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

Mechanical Dimensions & Land Pattern (MSOP-10)

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
3.00 × 3.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.10mm · e=0.50mm
Pad Size (W × L)Level B
0.30 × 1.25 mm
Pins / Total PadsTopology
10P / 10Pad (DUAL_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
N/A
BOM
Per application circuit
MSOP-10
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — CH442E (MSOP-10)

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 CH442E (MSOP-10)?

Manufactured by WCH, the CH442E is housed in a MSOP-10 package with 10 pins and a 0.50 mm lead pitch. Key pins include: 1 (EN#: Multiplexed I/O & Peripheral Pin EN# (General)), 2 (IN1 IN0 、: Multiplexed I/O & Peripheral Pin IN1 IN0 、 (General)), 3 (S4A S4B 、: Multiplexed I/O & Peripheral Pin S4A S4B 、 (General)), 4 (S3A S3B 、: Multiplexed I/O & Peripheral Pin S3A S3B 、 (General)), 5 (S2A S2B 、: Multiplexed I/O & Peripheral Pin S2A S2B 、 (General)), 6 (S1A S1B 、: Multiplexed I/O & Peripheral Pin S1A S1B 、 (General)).

What are the IPC-7351B PCB Footprint dimensions for CH442E?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), CH442E (MSOP-10) has a nominal body envelope of 3.00 × 3.00 mm, pitch e = 0.50 mm, and 10 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for CH442E?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for CH442E (WCH, MSOP-10) 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 (10 pins) & CH445 / CH448 / CH440 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1EN#Digital_IOSignal terminal EN# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: EN#. Supported peripheral buses: General.
2IN1 IN0 、Digital_IOSignal terminal IN1 IN0 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: IN1 IN0 、. Supported peripheral buses: General.
3S4A S4B 、Digital_IOSignal terminal S4A S4B 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S4A S4B 、. Supported peripheral buses: General.
4S3A S3B 、Digital_IOSignal terminal S3A S3B 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S3A S3B 、. Supported peripheral buses: General.
5S2A S2B 、Digital_IOSignal terminal S2A S2B 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S2A S2B 、. Supported peripheral buses: General.
6S1A S1B 、Digital_IOSignal terminal S1A S1B 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S1A S1B 、. Supported peripheral buses: General.
7YA YB 、Digital_IOSignal terminal YA YB 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: YA YB 、. Supported peripheral buses: General.
8GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
9YA YB 、Digital_IOSignal terminal YA YB 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: YA YB 、. Supported peripheral buses: General.
10S1A S1B 、Digital_IOSignal terminal S1A S1B 、 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: S1A S1B 、. Supported peripheral buses: General.
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