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Quad /S-/R latches
74279
ic logic
The SN54279 is a quad S-R latch used for latching data in digital circuits.
In stock
Specifications
3- Operating Voltage
- 5.0 V to 12.6 V
- Supply Current
- 30 mA max
- Temperature Range
- -55 °C to 125 °C
Pinout
8Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | S1 | GPIO | Set input |
| 2 | R1 | GPIO | Reset input |
| 3 | S2 | GPIO | Set input |
| 4 | R2 | GPIO | Reset input |
| 5 | Q1 | GPIO | Output Q1 |
| 6 | Q2 | GPIO | Output Q2 |
| 7 | Q3 | GPIO | Output Q3 |
| 8 | Q4 | GPIO | Output Q4 |
Interactive pinout
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74279
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