74HC76S

@@ -0,0 +1,57 @@+# 74HC76S++**GR** · Flip Flops · SOP-16++74HC76S from GR, in a SOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | 1CK | input | Clock input for flip-flop 1 (active on falling edge). Schmitt-compatible CMOS input; VIH >= 0.7*VCC, VIL <= 0.3*VCC (approx). |+| 2 | 1PR | input | Preset input for flip-flop 1, active LOW. Asynchronously forces 1Q HIGH / 1Q-bar LOW. |+| 3 | 1CLR | input | Clear input for flip-flop 1, active LOW. Asynchronously forces 1Q LOW / 1Q-bar HIGH. |+| 4 | 1J | input | J data input for flip-flop 1. Sampled on the falling edge of 1CK together with 1K to determine next-state behaviour (hold/set/reset/toggle). |+| 5 | VCC | power_in | Positive supply, 2.0 V to 6.0 V (5 V typical). Absolute maximum -0.5 V to 6.5 V. |+| 6 | 2CK | input | Clock input for flip-flop 2 (active on falling edge). |+| 7 | 2PR | input | Preset input for flip-flop 2, active LOW. Asynchronously forces 2Q HIGH / 2Q-bar LOW. |+| 8 | 2CLR | input | Clear input for flip-flop 2, active LOW. Asynchronously forces 2Q LOW / 2Q-bar HIGH. |+| 9 | 2J | input | J data input for flip-flop 2. Sampled on the falling edge of 2CK together with 2K. |+| 10 | 2Q_N | output | Inverted Q output for flip-flop 2. Push-pull CMOS output; can drive up to 10 LSTTL loads (approx. 4 mA at VCC=4.5 V). |+| 11 | 2Q | output | Non-inverted Q output for flip-flop 2. Push-pull CMOS; drives up to 10 LSTTL loads. |+| 12 | 2K | input | K data input for flip-flop 2. Sampled on the falling edge of 2CK together with 2J. |+| 13 | GND | power_in | Ground (0 V) reference for supply and I/O. |+| 14 | 1Q_N | output | Inverted Q output for flip-flop 1. Push-pull CMOS; drives up to 10 LSTTL loads. |+| 15 | 1Q | output | Non-inverted Q output for flip-flop 1. Push-pull CMOS; drives up to 10 LSTTL loads. |+| 16 | 1K | input | K data input for flip-flop 1. Sampled on the falling edge of 1CK together with 1J. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | GR |+| Package | SOP-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `74HC76SS`+- `74HC76SD`++## CAD (KiCad official)++- Symbol: `74HC76S`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [GR datasheet](docs/74hc76s-datasheet.pdf) (5 pp, sha256 `b9800ce078bc772d`, retrieved 2026-08-17, tier: lcsc)+- **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:** `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/74hc76s-datasheet.pdf)

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