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74HC164 Shift Register
SN74HC164
Texas Instrumentsic logic
The 74HC164 is an 8-bit serial-in, parallel-out shift register with AND-gated serial inputs and an asynchronous clear. It operates from 2V to 6V and is commonly used to expand output pins.
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Specifications
10- Logic Function
- 8-bit serial-in parallel-out shift register
- Operating Voltage
- 2 to 6 V
- Operating Temperature Range
- -40 to 85 C
- Supply Current Max
- 80 uA
- Output Drive Current
- 4 mA
- Input Current Max
- 1 uA
- Clock Frequency Max
- 31 MHz
- Propagation Delay Typical
- 20 ns
- Output Current Continuous
- 25 mA
- Package Types
- SOIC-14, PDIP-14, SO-14, TSSOP-14, CDIP-14, CFP-14, LCCC-14
Pinout
14| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A | GPIO | Gated serial input 1 |
| 2 | B | GPIO | Gated serial input 2 |
| 3 | QA | GPIO | Parallel output A |
| 4 | QB | GPIO | Parallel output B |
| 5 | QC | GPIO | Parallel output C |
| 6 | QD | GPIO | Parallel output D |
| 7 | GND | GND | Ground |
| 8 | CLK | GPIO | Clock input |
| 9 | CLR | GPIO | Active-low asynchronous clear |
| 10 | QE | GPIO | Parallel output E |
| 11 | QF | GPIO | Parallel output F |
| 12 | QG | GPIO | Parallel output G |
| 13 | QH | GPIO | Parallel output H |
| 14 | VCC | POWER | Power supply |
Interactive pinout
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SN74HC164
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