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SN74HC03DR
Public Made by Adomby adom
Texas Instruments Logic Gates, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74HC03DR
Texas Instruments · Logic Gates · SOIC-14
SN74HC03DR from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1A | input | Input A for 2-input NAND gate 1, accepts logic levels 0 to VCC. |
| 2 | 1B | input | Input B for 2-input NAND gate 1, accepts logic levels 0 to VCC. |
| 3 | 1Y | output | Open-drain output of NAND gate 1 (Y = 1A ● 1B), can drive 10 LSTTL loads with ±4-mA drive at 5 V. |
| 4 | 2A | input | Input A for 2-input NAND gate 2, accepts logic levels 0 to VCC. |
| 5 | 2B | input | Input B for 2-input NAND gate 2, accepts logic levels 0 to VCC. |
| 6 | 2Y | output | Open-drain output of NAND gate 2 (Y = 2A ● 2B), can drive 10 LSTTL loads with ±4-mA drive at 5 V. |
| 7 | GND | power_in | Ground (0 V reference), continuous current up to ±50 mA. |
| 8 | 3Y | output | Open-drain output of NAND gate 3 (Y = 3A ● 3B), can drive 10 LSTTL loads with ±4-mA drive at 5 V. |
| 9 | 3A | input | Input A for 2-input NAND gate 3, accepts logic levels 0 to VCC. |
| 10 | 3B | input | Input B for 2-input NAND gate 3, accepts logic levels 0 to VCC. |
| 11 | 4Y | output | Open-drain output of NAND gate 4 (Y = 4A ● 4B), can drive 10 LSTTL loads with ±4-mA drive at 5 V. |
| 12 | 4A | input | Input A for 2-input NAND gate 4, accepts logic levels 0 to VCC. |
| 13 | 4B | input | Input B for 2-input NAND gate 4, accepts logic levels 0 to VCC. |
| 14 | VCC | power_in | Positive supply voltage, operating range 2 V to 6 V, maximum ICC of 20 µA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Logic |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
SN74HC03DR - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
sn74hc03dr-etched.step/sn74hc03dr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74hc03dr.step/sn74hc03dr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (33 pp, sha256
656bec2df881e6df, retrieved 2026-10-03, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).