component
CD74HC08E
Public Made by Adomby adom
Texas Instruments Gates, PDIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CD74HC08E
Texas Instruments · Gates · PDIP-14
CD74HC08E from Texas Instruments, in a PDIP-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 channel 1, input A of the first 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 2 | 1B | input | Input channel 1, input B of the first 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 3 | 1Y | output | Output channel 1, output Y of the first AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 4 | 2A | input | Input channel 2, input A of the second 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 5 | 2B | input | Input channel 2, input B of the second 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 6 | 2Y | output | Output channel 2, output Y of the second AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 7 | GND | power_in | Ground reference for the device, which must not be exceeded by the continuous current limit of ±50 mA through VCC or GND. |
| 8 | 3Y | output | Output channel 3, output Y of the third AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 9 | 3A | input | Input channel 3, input A of the third 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 10 | 3B | input | Input channel 3, input B of the third 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 11 | 4Y | output | Output channel 4, output Y of the fourth AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 12 | 4A | input | Input channel 4, input A of the fourth 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 13 | 4B | input | Input channel 4, input B of the fourth 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 14 | VCC | power_in | Positive supply, specified from 2 V to 6 V in the Recommended Operating Conditions, with a 0.1-μF bypass capacitor recommended. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | PDIP-14 |
| Category | Logic ICs |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
CD74HC08E - Footprint:
Package_DIP:DIP-14_W7.62mm - 3D model: PDIP-14 (KiCad packages3D, STEP)
- 3D model files:
cd74hc08e-etched.step/cd74hc08e-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cd74hc08e.step/cd74hc08e.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (27 pp, sha256
f3de35dcac4ee479, retrieved 2026-10-28, tier: manufacturer) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(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).
# CD74HC08E
**Texas Instruments** · Gates · PDIP-14
CD74HC08E from Texas Instruments, in a PDIP-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 channel 1, input A of the first 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 2 | 1B | input | Input channel 1, input B of the first 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 3 | 1Y | output | Output channel 1, output Y of the first AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 4 | 2A | input | Input channel 2, input A of the second 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 5 | 2B | input | Input channel 2, input B of the second 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 6 | 2Y | output | Output channel 2, output Y of the second AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 7 | GND | power_in | Ground reference for the device, which must not be exceeded by the continuous current limit of ±50 mA through VCC or GND. |
| 8 | 3Y | output | Output channel 3, output Y of the third AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 9 | 3A | input | Input channel 3, input A of the third 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 10 | 3B | input | Input channel 3, input B of the third 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 11 | 4Y | output | Output channel 4, output Y of the fourth AND gate, a balanced CMOS push-pull output implementing Y = A AND B. |
| 12 | 4A | input | Input channel 4, input A of the fourth 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 13 | 4B | input | Input channel 4, input B of the fourth 2-input AND gate, a high-impedance standard CMOS input whose edges must be fast to avoid excess current and oscillation. |
| 14 | VCC | power_in | Positive supply, specified from 2 V to 6 V in the Recommended Operating Conditions, with a 0.1-μF bypass capacitor recommended. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | PDIP-14 |
| Category | Logic ICs |
| Pins | 14 |
## CAD (KiCad official)
- Symbol: `CD74HC08E`
- Footprint: `Package_DIP:DIP-14_W7.62mm`
- 3D model: PDIP-14 (KiCad packages3D, STEP)
- 3D model files: `cd74hc08e-etched.step` / `cd74hc08e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hc08e.step` / `cd74hc08e.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/cd74hc08e.pdf) (27 pp, sha256 `f3de35dcac4ee479`, retrieved 2026-10-28, tier: manufacturer)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/cd74hc08e-datasheet.pdf)