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Parallel-Load 8-Bit Shift Registers
74165
ic logic
The SN54165 and SN74165 are 8-bit serial shift registers that can be loaded in parallel, featuring complementary outputs and gated clock inputs.
In stock
Specifications
8- Operating Voltage
- 4.5 V to 5.5 V (SN54165, SN74165); 4.5 V to 7 V (SN54LS165A, SN74LS165A)
- Supply Current
- 42 mA to 63 mA (SN54165, SN74165); 18 mA to 30 mA (SN54LS165A, SN74LS165A)
- Interface
- GPIO
- Resolution
- 8-bit
- Range
- 0 to 255 (binary)
- Accuracy
- N/A
- Temperature Range
- -55°C to 125°C (SN54LS165A, SN74LS165A); -55°C to 70°C (SN54165, SN74165)
- Package
- CDIP (J), CFP (W), D, N, NS, FK
Pinout
15Low 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 | SH/LD | GPIO | Shift/load input |
| 2 | CLK INH | GPIO | Clock inhibit input |
| 3 | CLK | GPIO | Gated clock input |
| 4 | SER | GPIO | Serial data input |
| 5 | A | GPIO | Parallel data input 0 |
| 6 | B | GPIO | Parallel data input 1 |
| 7 | C | GPIO | Parallel data input 2 |
| 8 | D | GPIO | Parallel data input 3 |
| 9 | E | GPIO | Parallel data input 4 |
| 10 | F | GPIO | Parallel data input 5 |
| 11 | G | GPIO | Parallel data input 6 |
| 12 | H | GPIO | Parallel data input 7 |
| 13 | QH | GPIO | Complementary output for the eighth bit |
| 14 | GND | GND | Ground |
| 15 | VCC | POWER | Supply voltage |
Interactive pinout
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74165
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