SN74HC04

@@ -0,0 +1,58 @@+# SN74HC04++**Texas Instruments** · Hex inverter · SOIC-14++Six independent inverters (NOT gates) in high-speed CMOS, SOIC-14. Each output is the logic complement of its input, the most basic logic function and a constant workhorse: inverting a signal, buffering and cleaning up slow or noisy edges, building ring oscillators and simple clocks, or squaring up a crystal. With six gates in one package it is often the glue that finishes a design. Runs 2-6 V.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | 1A | input | Channel 1 inverter input. CMOS logic input, VIH >= 3.15 V at VCC = 4.5 V; input clamp current +/-20 mA max. |+| 2 | 1Y | output | Channel 1 inverter output; Y = /A. CMOS push-pull output, IOH/IOL rated up to +/-5.2 mA at VCC = 6 V. |+| 3 | 2A | input | Channel 2 inverter input. CMOS logic input, VIH >= 3.15 V at VCC = 4.5 V. |+| 4 | 2Y | output | Channel 2 inverter output; Y = /A. CMOS push-pull output. |+| 5 | 3A | input | Channel 3 inverter input. CMOS logic input, VIH >= 3.15 V at VCC = 4.5 V. |+| 6 | 3Y | output | Channel 3 inverter output; Y = /A. CMOS push-pull output. |+| 7 | GND | power_in | Ground reference (0 V). Continuous current through GND rated up to 50 mA. |+| 8 | 4Y | output | Channel 4 inverter output; Y = /A. CMOS push-pull output. |+| 9 | 4A | input | Channel 4 inverter input. CMOS logic input. |+| 10 | 5Y | output | Channel 5 inverter output; Y = /A. CMOS push-pull output. |+| 11 | 5A | input | Channel 5 inverter input. CMOS logic input. |+| 12 | 6Y | output | Channel 6 inverter output; Y = /A. CMOS push-pull output. |+| 13 | 6A | input | Channel 6 inverter input. CMOS logic input. |+| 14 | VCC | power_in | Positive supply. Recommended 2 V to 6 V (nominal 5 V); absolute max 7 V. Typical ICC = 2 uA at VCC = 6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Hex inverter (6x NOT) |+| Gates | 6 independent |+| Function | Y = NOT A |+| Logic family | HC (high-speed CMOS) |+| Supply voltage | 2-6 V |+| Propagation delay | ~8 ns at 5 V |+| Package | SOIC-14 |+| Body (L×W×H) | 8.65 × 3.9 × 1.75 mm |++## Ordering variants++- `SN74HC04D (SOIC-14, tube)`+- `SN74HC04DR (SOIC-14, tape & reel)`++## CAD (KiCad official)++- Symbol: `74xx:74HC04`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74hc04.pdf) (38 pp, sha256 `fcb61955a88dd2b9`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn74hc04-datasheet.pdf)

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