# SN74ALS04BN

**Texas Instruments** · Inverters · PDIP-14

SN74ALS04BN 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 A of inverter 1, which drives Y = A; recommended VIH is at least 2 V and VIL at most 0.8 V, with an absolute maximum input voltage of 7 V. |
| 2 | 1Y | output | Output Y of inverter 1, the logic inverse of input 1A; VOL is at most 0.4 V at IOL = 4 mA with VCC = 4.5 V. |
| 3 | 2A | input | Input A of inverter 2, which drives Y = A; recommended VIH is at least 2 V and VIL at most 0.8 V, with an absolute maximum input voltage of 7 V. |
| 4 | 2Y | output | Output Y of inverter 2, the logic inverse of input 2A; VOL is at most 0.4 V at IOL = 4 mA with VCC = 4.5 V. |
| 5 | 3A | input | Input A of inverter 3, which drives Y = A; recommended VIH is at least 2 V and VIL at most 0.8 V, with an absolute maximum input voltage of 7 V. |
| 6 | 3Y | output | Output Y of inverter 3, the logic inverse of input 3A; VOL is at most 0.4 V at IOL = 4 mA with VCC = 4.5 V. |
| 7 | GND | power_in | Ground pin shared by the six inverters; the datasheet gives no separate electrical limit for this pin. |
| 8 | 4Y | output | Output Y of inverter 4, the logic inverse of input 4A; VOL is at most 0.4 V at IOL = 4 mA with VCC = 4.5 V. |
| 9 | 4A | input | Input A of inverter 4, which drives Y = A; recommended VIH is at least 2 V and VIL at most 0.8 V, with an absolute maximum input voltage of 7 V. |
| 10 | 5Y | output | Output Y of inverter 5, the logic inverse of input 5A; VOL is at most 0.4 V at IOL = 4 mA with VCC = 4.5 V. |
| 11 | 5A | input | Input A of inverter 5, which drives Y = A; recommended VIH is at least 2 V and VIL at most 0.8 V, with an absolute maximum input voltage of 7 V. |
| 12 | 6Y | output | Output Y of inverter 6, the logic inverse of input 6A; VOL is at most 0.4 V at IOL = 4 mA with VCC = 4.5 V. |
| 13 | 6A | input | Input A of inverter 6, which drives Y = A; recommended VIH is at least 2 V and VIL at most 0.8 V, with an absolute maximum input voltage of 7 V. |
| 14 | VCC | power_in | Supply pin; recommended VCC is 4.5 V to 5.5 V (5 V nominal) with an absolute maximum of 7 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | PDIP-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 |  | 2 |
| High-level input voltage | VIH | 2 |  |  | V |  | 2 |
| Low-level input voltage | VIL |  |  | 0.8 | V | Applies over −55°C to 70°C (footnote ‡) | 2 |
| High-level output current | IOH |  |  | -0.4 | mA |  | 2 |
| Low-level output current | IOL |  |  | 8 | mA |  | 2 |
| Operating free-air temperature | TA | 0 |  | 70 | °C | SN74ALS04B | 2 |
| Supply voltage | VCC |  |  | 7 | V |  | 2 |
| Input voltage | VI |  |  | 7 | V |  | 2 |
| Operating free-air temperature range | TA | 0 |  | 70 | °C | SN74ALS04B | 2 |
| Storage temperature range | Tstg | -65 |  | 150 | °C |  | 2 |
| Input clamp voltage | VIK |  |  | -1.2 | V | VCC = 4.5 V, II = −18 mA | 2 |
| Low-level output voltage | VOL |  | 0.25 | 0.4 | V | VCC = 4.5 V, IOL = 4 mA | 2 |
| Low-level output voltage | VOL |  | 0.35 | 0.5 | V | VCC = 4.5 V, IOL = 8 mA | 2 |
| Input current at maximum input voltage | II |  |  | 0.1 | mA | VCC = 5.5 V, VI = 7 V | 2 |
| High-level input current | IIH |  |  | 20 | µA | VCC = 5.5 V, VI = 2.7 V | 2 |
| Low-level input current | IIL |  |  | -0.1 | mA | VCC = 5.5 V, VI = 0.4 V | 2 |
| Short-circuit output current | IO | -30 |  | -112 | mA | VCC = 5.5 V, VO = 2.25 V | 2 |
| Supply current (outputs high) | ICCH |  | 0.65 | 1.1 | mA | VCC = 5.5 V, VI = 0 | 2 |
| Supply current (outputs low) | ICCL |  | 2.9 | 4.2 | mA | VCC = 5.5 V, VI = 4.5 V | 2 |
| Propagation delay time, low-to-high-level output | tPLH | 3 |  | 11 | ns | VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX | 3 |
| Propagation delay time, high-to-low-level output | tPHL | 2 |  | 8 | ns | VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX | 3 |

## CAD (KiCad official)

- Symbol: `SN74ALS04BN`
- Footprint: `Package_DIP:DIP-14_W7.62mm`
- 3D model: PDIP-14 (KiCad packages3D, STEP)
- 3D model files: `sn74als04bn-etched.step` / `sn74als04bn-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74als04bn.step` / `sn74als04bn.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/cn/lit/gpn/sn74as04) (25 pp, sha256 `07a4a6a3194e7a58`, retrieved 2026-10-16, 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/sn74als04bn-datasheet.pdf)