PIC16F628-20I/SS (SSOP-20-5.2mm) — Schematic Symbol, IPC-7351B Footprint & 3D STEP Model

Q: What is the Pinout and operating voltage specification of PIC16F628-20I/SS (SSOP-20-5.2mm)?

Manufactured by MICROCHIP, the PIC16F628-20I/SS is housed in a SSOP-20-5.2mm package with 20 pins and a 0.65 mm lead pitch, supporting a VCC supply range of 3.0V to 5.5V. Key pins include: 1 (RA2/AN2/VREF: Multiplexed I/O & Peripheral Pin RA2/AN2/VREF (General)), 2 (RA3/AN3/CMP1: Multiplexed I/O & Peripheral Pin RA3/AN3/CMP1 (General)), 3 (RA4/TOCKI/CMP2: Multiplexed I/O & Peripheral Pin RA4/TOCKI/CMP2 (General)), 4 (RA5/#MCLR/VPP: Multiplexed I/O & Peripheral Pin RA5/#MCLR/VPP (General)), 5 (VSS: Ground Reference Pin (VSS)), 6 (VSS: Ground Reference Pin (VSS)).

Q: What are the IPC-7351B PCB Footprint dimensions for PIC16F628-20I/SS?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC16F628-20I/SS (SSOP-20-5.2mm) has a nominal body envelope of 5.30 × 7.20 mm, pitch e = 0.65 mm, and 20 copper pads.

Q: Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC16F628-20I/SS?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC16F628-20I/SS (MICROCHIP, SSOP-20-5.2mm) 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.

1. SYMBOL

2. 2D FOOTPRINT

3. 3D CAD MODEL

Package Body: 5.30mm × 7.20mm · Pitch: 0.65mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (20/20)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D

Pin	Symbol	Type	Function (EN)
1	RA2/AN2/VREF	Analog	Multiplexed I/O & Peripheral Pin RA2/AN2/VREF (General)
2	RA3/AN3/CMP1	I/O	Multiplexed I/O & Peripheral Pin RA3/AN3/CMP1 (General)
3	RA4/TOCKI/CMP2	I/O	Multiplexed I/O & Peripheral Pin RA4/TOCKI/CMP2 (General)
4	RA5/#MCLR/VPP	I/O	Multiplexed I/O & Peripheral Pin RA5/#MCLR/VPP (General)
5	VSS	GND	Ground Reference Pin (VSS)
6	VSS	GND	Ground Reference Pin (VSS)
7	RB0/INT	I/O	Multiplexed I/O & Peripheral Pin RB0/INT (General)
8	RB1/RX/DT	I/O	Multiplexed I/O & Peripheral Pin RB1/RX/DT (General)
9	RB2/TX/CK	I/O	Multiplexed I/O & Peripheral Pin RB2/TX/CK (General)
10	RB3/CCP1	I/O	Multiplexed I/O & Peripheral Pin RB3/CCP1 (General)
11	RB4/PGM	I/O	Multiplexed I/O & Peripheral Pin RB4/PGM (General)
12	RB5	I/O	Multiplexed I/O & Peripheral Pin RB5 (General)
13	RB6/T1OSO/T1CKI/PGC	I/O	Multiplexed I/O & Peripheral Pin RB6/T1OSO/T1CKI/PGC (General)
14	RB7/T1OSI/PGD	I/O	Multiplexed I/O & Peripheral Pin RB7/T1OSI/PGD (General)
15	VDD	Power	Power Supply Input (VDD — 3.0V to 5.5V)
16	VDD	Power	Power Supply Input (VDD — 3.0V to 5.5V)
17	RA6/OSC2/CLKOUT	I/O	Multiplexed I/O & Peripheral Pin RA6/OSC2/CLKOUT (RTC/CLK)
18	RA7/OSC1/CLKIN	I/O	Multiplexed I/O & Peripheral Pin RA7/OSC1/CLKIN (RTC/CLK)
19	RA0/AN0	I/O	Multiplexed I/O & Peripheral Pin RA0/AN0 (General)
20	RA1/AN1	I/O	Multiplexed I/O & Peripheral Pin RA1/AN1 (General)

PIN 1 RA2/AN2/VREF

Analog

Multiplexed I/O & Peripheral Pin RA2/AN2/VREF (General)

Design note: RA2

IPC-7351B Solder Density & Span C/G/Z Tuner

Extracted Drawings Gallery (6 Standard Drawings + 14 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen

1. Realistic 3D PackageREPRESENTATIVE

PIC16F628-20I/SS (SSOP-20-5.2mm) - 1. Realistic 3D Package

Detailed solid 3D bodyExpand ›

2. Standard Pinout (Top View)CLEANROOM PINOUT

PIC16F628-20I/SS (SSOP-20-5.2mm) - 2. Standard Pinout (Top View)

True package pinout (20 pins)Expand ›

3. Original Datasheet PinoutPDF PINOUT

PIC16F628-20I/SS (SSOP-20-5.2mm) - 3. Original Datasheet Pinout

Uncropped datasheet pin diagramExpand ›

4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS

PIC16F628-20I/SS (SSOP-20-5.2mm) - 4. Package Dimensions (D×E×A)

SSOP-20-5.2mm · 5.30×7.20mm · Pitch 0.65mmExpand ›

5. Recommended Land PatternLAND PATTERN

PIC16F628-20I/SS (SSOP-20-5.2mm) - 5. Recommended Land Pattern

IPC-7351B Footprint (20 Pads)Expand ›

6. Application SchematicSCHEMATIC

PIC16F628-20I/SS (SSOP-20-5.2mm) - 6. Application Schematic

Typical Application SchematicExpand ›

Original Datasheet Pinouts & Technical Drawings (14 figures · Page 1/2)

Showing 1–12 of 14 uncropped original figures for PIC16F628

P2 · p02_fig011782×2485px

DS40300C - page ii Preliminary  2003 Microchip Technology Inc. | Trademarks | The Microchip name and logo, the Microchip logo, KEELOQ, MPLAB, PIC, PICmicro, PICSTART and PRO MATE are registered trademarks of Microchip Technology Incorporat

P2 · p02_fig02672×376px

DS40300C - page ii Preliminary  2003 Microchip Technology Inc.

P2 · p02_fig02P2

Datasheet Page 2 (p02_fig02)

P64 · p64_fig01871×671px

match RB3/CCP1

P64 · p64_fig02868×647px

PIC16F628-20I/SS (SSOP-20-5.2mm) — FIGURE 11-1: COMPARE MODE OPERATION BLOCK DIAGRAM Special Event Trigger will reset Timer1, but not set interrupt flag bit TMR1IF (PIR1<0>)

FIGURE 11-1: COMPARE MODE OPERATION BLOCK DIAGRAM Special Event Trigger will reset Timer1, but not set interrupt flag bit TMR1IF (PIR1<0>)

P108 · p108_fig01870×413px

FIGURE 14-18: TYPICAL IN-CIRCUIT SERIAL PROGRAMMING CONNECTION

P108 · p108_fig02868×859px

FIGURE 14-18: TYPICAL IN-CIRCUIT SERIAL PROGRAMMING CONNECTION

P108 · p108_fig02P108

Datasheet Page 108 (p108_fig02)

P109 · p109_fig01733×950px

FIGURE 15-1: GENERAL FORMAT FOR INSTRUCTIONS Byte-oriented file register operations 13 8 7 6 0

P161 · p161_fig011443×1805px

PIC16F628-20I/SS (SSOP-20-5.2mm) — Foot Angle φ 0 4 8 0 4 8 | 15 12 0 15 12 0 β Mold Draft Angle Bottom | 15 12 0 15 12 0 α Mold Draft Angle Top | 0.51 0.42 0.36 .020 .017 .014 B Lead Width | 0.30 0.27 0.23 .012 .011 .009 c Lead Thickness | 1.27 0.84 0.41 .050 .033 .016 L Fo

P161 · p161_fig01P161

Datasheet Page 161 (p161_fig01)

P162 · p162_fig011442×1754px

PIC16F628-20I/SS (SSOP-20-5.2mm) — 10 5 0 10 5 0 β Mold Draft Angle Bottom | 10 5 0 10 5 0 α Mold Draft Angle Top | 0.38 0.32 0.25 .015 .013 .010 B Lead Width | 203.20 101.60 0.00 8 4 0 φ Foot Angle | 0.25 0.18 0.10 .010 .007 .004 c Lead Thickness | 0.94 0.75 0.56 .037 .030

Page 1 / 2 (14 extracted figures)

Technical Specifications & Part Details (PIC16F628-20I/SS)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)

Standard Electronic & Interconnect Component

Detailed Overview:PIC16F628-20I/SS (SSOP-20-5.2mm) is a 20-pin standard electronic & interconnect component featuring a 7.20 × 5.30 × 2.00 mm mechanical envelope (lead pitch e = 0.65 mm). Rated for 3.0V to 5.5V supply operation across -40°C ~ +85°C (Industrial Grade) with integrated UART, PWM, RTC/CLK interfaces.

Operating Supply VoltageV_CC / V_DD

3.0V to 5.5V

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

20 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

7.20 × 5.30 × 2.00 mm (A1=0.15 mm)

Package family: TSSOP (SSOP-20-5.2mm)

Pin Count & Lead PitchN / e

20 Pins | Pitch e = 0.65 mm (25.6 mil)

Normalized to Center-to-Center Span C per IPC-7351B

Integrated Peripheral InterfacesBuses

UART, PWM, RTC/CLK

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 Symbol20 auto-grouped pins

IPC-7351B Land Pattern20 pads · Pitch 0.65mm

IPC-7525 60% Solder PasteReflow 1:1 Standard

DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm

3D STEP AP214 & GLBAligned coordinate origin (0,0,0)

Hardware Verification & Community Engineering Reviews

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

5.00 PCB Verified

IPC-7351B

Family Variants & Same Datasheet Chips — PIC16F628 (2)

Select package variant or sibling MPN sharing this datasheet

SOIC-18-300mil · 18P

PIC16F628-04/SO

MICROCHIP·SOIC-18-300mil

IPC-7351B

18P11.6×7.5×2.70mmP=1.27mm

PIC16F628 (SOIC-18-300mil)

SSOP-20-5.2mm · 20P

PIC16F628-20I/SS

MICROCHIP·SSOP-20-5.2mm

IPC-7351B

20P7.2×5.3×2.00mmP=0.65mm

PIC16F628 (SSOP-20-5.2mm)

Mechanical Dimensions & Land Pattern (SSOP-20-5.2mm)

Extracted from Datasheet & IPC-7351B Normalized

Package Body (D × E)Nominal

7.20 × 5.30 mm

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

A=2.00mm · e=0.65mm

Pad Size (W × L)Level B

0.42 × 1.60 mm

Pins / Total PadsTopology

20P / 20Pad (DUAL_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 SSOP-20-5.2mm	Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — PIC16F628-20I/SS (SSOP-20-5.2mm)

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 PIC16F628-20I/SS (SSOP-20-5.2mm)?

Manufactured by MICROCHIP, the PIC16F628-20I/SS is housed in a SSOP-20-5.2mm package with 20 pins and a 0.65 mm lead pitch, supporting a VCC supply range of 3.0V to 5.5V. Key pins include: 1 (RA2/AN2/VREF: Multiplexed I/O & Peripheral Pin RA2/AN2/VREF (General)), 2 (RA3/AN3/CMP1: Multiplexed I/O & Peripheral Pin RA3/AN3/CMP1 (General)), 3 (RA4/TOCKI/CMP2: Multiplexed I/O & Peripheral Pin RA4/TOCKI/CMP2 (General)), 4 (RA5/#MCLR/VPP: Multiplexed I/O & Peripheral Pin RA5/#MCLR/VPP (General)), 5 (VSS: Ground Reference Pin (VSS)), 6 (VSS: Ground Reference Pin (VSS)).

What are the IPC-7351B PCB Footprint dimensions for PIC16F628-20I/SS?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), PIC16F628-20I/SS (SSOP-20-5.2mm) has a nominal body envelope of 5.30 × 7.20 mm, pitch e = 0.65 mm, and 20 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for PIC16F628-20I/SS?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for PIC16F628-20I/SS (MICROCHIP, SSOP-20-5.2mm) 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 (20 pins) & PIC16F628 Family VariantsExpand static table

Pin #	Signal Name	Electrical Type	Functional Description & Design Notes
1	RA2/AN2/VREF	Analog	Signal terminal RA2/AN2/VREF (Analog, 3.0V to 5.5V domain). Multiplexed alternate functions: RA2/AN2/VREF. Supported peripheral buses: General.
2	RA3/AN3/CMP1	Digital_IO	Signal terminal RA3/AN3/CMP1 (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA3/AN3/CMP1. Supported peripheral buses: General.
3	RA4/TOCKI/CMP2	Digital_IO	Signal terminal RA4/TOCKI/CMP2 (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA4/TOCKI/CMP2. Supported peripheral buses: General.
4	RA5/#MCLR/VPP	Digital_IO	Signal terminal RA5/#MCLR/VPP (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA5/#MCLR/VPP. Supported peripheral buses: General.
5	VSS	GND	0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
6	VSS	GND	0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
7	RB0/INT	Digital_IO	Signal terminal RB0/INT (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB0/INT. Supported peripheral buses: General.
8	RB1/RX/DT	Digital_IO	Signal terminal RB1/RX/DT (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB1/RX/DT. Supported peripheral buses: General.
9	RB2/TX/CK	Digital_IO	Signal terminal RB2/TX/CK (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB2/TX/CK. Supported peripheral buses: General.
10	RB3/CCP1	Digital_IO	Signal terminal RB3/CCP1 (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB3/CCP1. Supported peripheral buses: General.
11	RB4/PGM	Digital_IO	Signal terminal RB4/PGM (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB4/PGM. Supported peripheral buses: General.
12	RB5	Digital_IO	Signal terminal RB5 (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB5. Supported peripheral buses: General.
13	RB6/T1OSO/T1CKI/PGC	Digital_IO	Signal terminal RB6/T1OSO/T1CKI/PGC (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB6/T1OSO/T1CKI/PGC. Supported peripheral buses: General.
14	RB7/T1OSI/PGD	Digital_IO	Signal terminal RB7/T1OSI/PGD (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RB7/T1OSI/PGD. Supported peripheral buses: General.
15	VDD	Power_In	Primary positive power supply input (VDD) operating in the 3.0V to 5.5V domain (Max rating: 5.5V).
16	VDD	Power_In	Primary positive power supply input (VDD) operating in the 3.0V to 5.5V domain (Max rating: 5.5V).
17	RA6/OSC2/CLKOUT	Digital_IO	Signal terminal RA6/OSC2/CLKOUT (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA6/OSC2/CLKOUT. Supported peripheral buses: RTC/CLK.
18	RA7/OSC1/CLKIN	Digital_IO	Signal terminal RA7/OSC1/CLKIN (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA7/OSC1/CLKIN. Supported peripheral buses: RTC/CLK.
19	RA0/AN0	Digital_IO	Signal terminal RA0/AN0 (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA0/AN0. Supported peripheral buses: General.
20	RA1/AN1	Digital_IO	Signal terminal RA1/AN1 (I/O, 3.0V to 5.5V domain). Multiplexed alternate functions: RA1/AN1. Supported peripheral buses: General.

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