component
74HCT32D
Public Made by Adomby adom
Nexperia Logic Gates, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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74HCT32D
Nexperia · Logic Gates · SOIC-14
74HCT32D from Nexperia, 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 | Data input 1A of gate 1; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 2 | 1B | input | Data input 1B of gate 1; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 3 | 1Y | output | Data output 1Y of gate 1, the logic OR of 1A and 1B; output current limited to ±25 mA. |
| 4 | 2A | input | Data input 2A of gate 2; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 5 | 2B | input | Data input 2B of gate 2; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 6 | 2Y | output | Data output 2Y of gate 2, the logic OR of 2A and 2B; output current limited to ±25 mA. |
| 7 | GND | power_in | Ground (0 V) reference for all voltages on the device. |
| 8 | 3Y | output | Data output 3Y of gate 3, the logic OR of 3A and 3B; output current limited to ±25 mA. |
| 9 | 3A | input | Data input 3A of gate 3; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 10 | 3B | input | Data input 3B of gate 3; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 11 | 4Y | output | Data output 4Y of gate 4, the logic OR of 4A and 4B; output current limited to ±25 mA. |
| 12 | 4A | input | Data input 4A of gate 4; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 13 | 4B | input | Data input 4B of gate 4; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 14 | VCC | power_in | Supply voltage; recommended 4.5 V to 5.5 V for the 74HCT32 (absolute maximum -0.5 V to +7 V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOIC-14 |
| Category | Logic |
| Pins | 14 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage | VCC | 4.5 | 5 | 5.5 | V | 3 | |
| Input voltage | VI | 0 | V | 0 to VCC | 3 | ||
| Output voltage | VO | 0 | V | 0 to VCC | 3 | ||
| Ambient temperature | Tamb | -40 | 125 | °C | 3 | ||
| Input transition rise and fall rate | Δt/ΔV | 1.67 | 139 | ns/V | VCC = 4.5 V | 3 | |
| HIGH-level input voltage | VIH | 2 | 1.6 | V | VCC = 4.5 V to 5.5 V; 25 °C | 4 | |
| HIGH-level input voltage | VIH | 2 | V | VCC = 4.5 V to 5.5 V; -40 °C to +85 °C | 4 | ||
| LOW-level input voltage | VIL | 1.2 | 0.8 | V | VCC = 4.5 V to 5.5 V; 25 °C | 4 | |
| LOW-level input voltage | VIL | 0.8 | V | VCC = 4.5 V to 5.5 V; -40 °C to +85 °C | 4 | ||
| HIGH-level output voltage | VOH | 4.4 | 4.5 | V | VI = VIH or VIL; IO = -20 μA; VCC = 4.5 V; 25 °C | 4 | |
| HIGH-level output voltage | VOH | 4.4 | V | VI = VIH or VIL; IO = -20 μA; VCC = 4.5 V; -40 °C to +85 °C | 4 | ||
| HIGH-level output voltage | VOH | 3.98 | 4.32 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 4.5 V; 25 °C | 4 | |
| HIGH-level output voltage | VOH | 3.84 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 4.5 V; -40 °C to +85 °C | 4 | ||
| HIGH-level output voltage | VOH | 3.7 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 4.5 V; -40 °C to +125 °C | 4 | ||
| LOW-level output voltage | VOL | 0 | 0.1 | V | VI = VIH or VIL; IO = 20 μA; VCC = 4.5 V; 25 °C | 4 | |
| LOW-level output voltage | VOL | 0.1 | V | VI = VIH or VIL; IO = 20 μA; VCC = 4.5 V; -40 °C to +85 °C | 4 | ||
| LOW-level output voltage | VOL | 0.15 | 0.25 | V | VI = VIH or VIL; IO = 5.2 mA; VCC = 4.5 V; 25 °C | 4 | |
| LOW-level output voltage | VOL | 0.33 | V | VI = VIH or VIL; IO = 5.2 mA; VCC = 4.5 V; -40 °C to +85 °C | 4 | ||
| LOW-level output voltage | VOL | 0.4 | V | VI = VIH or VIL; IO = 5.2 mA; VCC = 4.5 V; -40 °C to +125 °C | 4 | ||
| Input leakage current | II | -0.1 | 0.1 | μA | VI = VCC or GND; VCC = 5.5 V; 25 °C | 5 | |
| Input leakage current | II | -1 | 1 | μA | VI = VCC or GND; VCC = 5.5 V; -40 °C to +85 °C | 5 | |
| Supply current | ICC | 2 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; 25 °C | 5 | ||
| Supply current | ICC | 20 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; -40 °C to +85 °C | 5 | ||
| Supply current | ICC | 40 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; -40 °C to +125 °C | 5 | ||
| Additional supply current | ΔICC | 430 | μA | per input pin; VI = VCC - 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; 25 °C | 5 | ||
| Additional supply current | ΔICC | 540 | μA | per input pin; VI = VCC - 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; -40 °C to +85 °C | 5 | ||
| Additional supply current | ΔICC | 590 | μA | per input pin; VI = VCC - 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C | 5 | ||
| Propagation delay | tpd | 11 | 24 | ns | nA, nB to nY; see Fig. 6; VCC = 4.5 V; 25 °C | 5 | |
| Propagation delay | tpd | 30 | ns | nA, nB to nY; see Fig. 6; VCC = 4.5 V; -40 °C to +85 °C | 5 | ||
| Propagation delay | tpd | 36 | ns | nA, nB to nY; see Fig. 6; VCC = 4.5 V; -40 °C to +125 °C | 5 | ||
| Transition time | tt | 7 | 15 | ns | VCC = 4.5 V; see Fig. 6; 25 °C | 5 | |
| Transition time | tt | 19 | ns | VCC = 4.5 V; see Fig. 6; -40 °C to +85 °C | 5 | ||
| Transition time | tt | 22 | ns | VCC = 4.5 V; see Fig. 6; -40 °C to +125 °C | 5 | ||
| Supply voltage | VCC | -0.5 | 7 | V | 3 | ||
| Input clamping current | IIK | -20 | 20 | mA | VI < -0.5 V or VI > VCC + 0.5 V | 3 | |
| Output clamping current | IOK | -20 | 20 | mA | VO < -0.5 V or VO > VCC + 0.5 V | 3 | |
| Output current | IO | -25 | 25 | mA | -0.5 V < VO < VCC + 0.5 V | 3 | |
| Supply current | ICC | 50 | mA | 3 | |||
| Ground current | IGND | -50 | mA | 3 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Total power dissipation | Ptot | 500 | mW | SOT108-1 (SO14); derates linearly 10.1 mW/K above 100 °C | 3 |
CAD (KiCad official)
- Symbol:
74HCT32D - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
74hct32d-etched.step/74hct32d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74hct32d.step/74hct32d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (12 pp, sha256
4e7b31a6e51ab80c, retrieved 2026-10-18, tier: lcsc) - 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).
# 74HCT32D
**Nexperia** · Logic Gates · SOIC-14
74HCT32D from Nexperia, 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 | Data input 1A of gate 1; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 2 | 1B | input | Data input 1B of gate 1; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 3 | 1Y | output | Data output 1Y of gate 1, the logic OR of 1A and 1B; output current limited to ±25 mA. |
| 4 | 2A | input | Data input 2A of gate 2; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 5 | 2B | input | Data input 2B of gate 2; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 6 | 2Y | output | Data output 2Y of gate 2, the logic OR of 2A and 2B; output current limited to ±25 mA. |
| 7 | GND | power_in | Ground (0 V) reference for all voltages on the device. |
| 8 | 3Y | output | Data output 3Y of gate 3, the logic OR of 3A and 3B; output current limited to ±25 mA. |
| 9 | 3A | input | Data input 3A of gate 3; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 10 | 3B | input | Data input 3B of gate 3; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 11 | 4Y | output | Data output 4Y of gate 4, the logic OR of 4A and 4B; output current limited to ±25 mA. |
| 12 | 4A | input | Data input 4A of gate 4; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 13 | 4B | input | Data input 4B of gate 4; inputs include clamp diodes, so a current-limiting resistor can be used when the input is driven above VCC (input clamp current limited to ±20 mA). |
| 14 | VCC | power_in | Supply voltage; recommended 4.5 V to 5.5 V for the 74HCT32 (absolute maximum -0.5 V to +7 V). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOIC-14 |
| Category | Logic |
| Pins | 14 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage | VCC | 4.5 | 5 | 5.5 | V | | 3 |
| Input voltage | VI | 0 | | | V | 0 to VCC | 3 |
| Output voltage | VO | 0 | | | V | 0 to VCC | 3 |
| Ambient temperature | Tamb | -40 | | 125 | °C | | 3 |
| Input transition rise and fall rate | Δt/ΔV | | 1.67 | 139 | ns/V | VCC = 4.5 V | 3 |
| HIGH-level input voltage | VIH | 2 | 1.6 | | V | VCC = 4.5 V to 5.5 V; 25 °C | 4 |
| HIGH-level input voltage | VIH | 2 | | | V | VCC = 4.5 V to 5.5 V; -40 °C to +85 °C | 4 |
| LOW-level input voltage | VIL | | 1.2 | 0.8 | V | VCC = 4.5 V to 5.5 V; 25 °C | 4 |
| LOW-level input voltage | VIL | | | 0.8 | V | VCC = 4.5 V to 5.5 V; -40 °C to +85 °C | 4 |
| HIGH-level output voltage | VOH | 4.4 | 4.5 | | V | VI = VIH or VIL; IO = -20 μA; VCC = 4.5 V; 25 °C | 4 |
| HIGH-level output voltage | VOH | 4.4 | | | V | VI = VIH or VIL; IO = -20 μA; VCC = 4.5 V; -40 °C to +85 °C | 4 |
| HIGH-level output voltage | VOH | 3.98 | 4.32 | | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 4.5 V; 25 °C | 4 |
| HIGH-level output voltage | VOH | 3.84 | | | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 4.5 V; -40 °C to +85 °C | 4 |
| HIGH-level output voltage | VOH | 3.7 | | | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 4.5 V; -40 °C to +125 °C | 4 |
| LOW-level output voltage | VOL | | 0 | 0.1 | V | VI = VIH or VIL; IO = 20 μA; VCC = 4.5 V; 25 °C | 4 |
| LOW-level output voltage | VOL | | | 0.1 | V | VI = VIH or VIL; IO = 20 μA; VCC = 4.5 V; -40 °C to +85 °C | 4 |
| LOW-level output voltage | VOL | | 0.15 | 0.25 | V | VI = VIH or VIL; IO = 5.2 mA; VCC = 4.5 V; 25 °C | 4 |
| LOW-level output voltage | VOL | | | 0.33 | V | VI = VIH or VIL; IO = 5.2 mA; VCC = 4.5 V; -40 °C to +85 °C | 4 |
| LOW-level output voltage | VOL | | | 0.4 | V | VI = VIH or VIL; IO = 5.2 mA; VCC = 4.5 V; -40 °C to +125 °C | 4 |
| Input leakage current | II | -0.1 | | 0.1 | μA | VI = VCC or GND; VCC = 5.5 V; 25 °C | 5 |
| Input leakage current | II | -1 | | 1 | μA | VI = VCC or GND; VCC = 5.5 V; -40 °C to +85 °C | 5 |
| Supply current | ICC | | | 2 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; 25 °C | 5 |
| Supply current | ICC | | | 20 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; -40 °C to +85 °C | 5 |
| Supply current | ICC | | | 40 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; -40 °C to +125 °C | 5 |
| Additional supply current | ΔICC | | | 430 | μA | per input pin; VI = VCC - 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; 25 °C | 5 |
| Additional supply current | ΔICC | | | 540 | μA | per input pin; VI = VCC - 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; -40 °C to +85 °C | 5 |
| Additional supply current | ΔICC | | | 590 | μA | per input pin; VI = VCC - 2.1 V; IO = 0 A; other inputs at VCC or GND; VCC = 4.5 V to 5.5 V; -40 °C to +125 °C | 5 |
| Propagation delay | tpd | | 11 | 24 | ns | nA, nB to nY; see Fig. 6; VCC = 4.5 V; 25 °C | 5 |
| Propagation delay | tpd | | | 30 | ns | nA, nB to nY; see Fig. 6; VCC = 4.5 V; -40 °C to +85 °C | 5 |
| Propagation delay | tpd | | | 36 | ns | nA, nB to nY; see Fig. 6; VCC = 4.5 V; -40 °C to +125 °C | 5 |
| Transition time | tt | | 7 | 15 | ns | VCC = 4.5 V; see Fig. 6; 25 °C | 5 |
| Transition time | tt | | | 19 | ns | VCC = 4.5 V; see Fig. 6; -40 °C to +85 °C | 5 |
| Transition time | tt | | | 22 | ns | VCC = 4.5 V; see Fig. 6; -40 °C to +125 °C | 5 |
| Supply voltage | VCC | -0.5 | | 7 | V | | 3 |
| Input clamping current | IIK | -20 | | 20 | mA | VI < -0.5 V or VI > VCC + 0.5 V | 3 |
| Output clamping current | IOK | -20 | | 20 | mA | VO < -0.5 V or VO > VCC + 0.5 V | 3 |
| Output current | IO | -25 | | 25 | mA | -0.5 V < VO < VCC + 0.5 V | 3 |
| Supply current | ICC | | | 50 | mA | | 3 |
| Ground current | IGND | -50 | | | mA | | 3 |
| Storage temperature | Tstg | -65 | | 150 | °C | | 3 |
| Total power dissipation | Ptot | | | 500 | mW | SOT108-1 (SO14); derates linearly 10.1 mW/K above 100 °C | 3 |
## CAD (KiCad official)
- Symbol: `74HCT32D`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `74hct32d-etched.step` / `74hct32d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74hct32d.step` / `74hct32d.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586191931404009472) (12 pp, sha256 `4e7b31a6e51ab80c`, retrieved 2026-10-18, tier: lcsc)
- **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/74hct32d-datasheet.pdf)