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74HC245 Octal Bus Transceiver
SN74HC245
Texas Instrumentsic logic
The 74HC245 is an octal bus transceiver with 3-state outputs for asynchronous two-way data transfer between two 8-bit buses. A DIR pin sets direction and OE isolates the buses when high.
In stock
Specifications
10- Logic Function
- Octal bus transceiver with 3-state outputs
- Operating Voltage
- 2 to 6 V
- Operating Temperature Range
- -40 to 85 C
- Supply Current Max
- 80 uA
- Input Current Max
- 1 uA
- Output Current Continuous
- 35 mA
- Output Drive Current
- 6 mA
- Propagation Delay Typ
- 12 ns
- Input Capacitance Max
- 10 pF
- Package Types
- SSOP-20, SOIC-20, PDIP-20, SO-20, TSSOP-20, LCCC-20
Pinout
20| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | DIR | GPIO | Direction control input |
| 2 | A1 | GPIO | A1 input/output |
| 3 | A2 | GPIO | A2 input/output |
| 4 | A3 | GPIO | A3 input/output |
| 5 | A4 | GPIO | A4 input/output |
| 6 | A5 | GPIO | A5 input/output |
| 7 | A6 | GPIO | A6 input/output |
| 8 | A7 | GPIO | A7 input/output |
| 9 | A8 | GPIO | A8 input/output |
| 10 | GND | GND | Ground pin |
| 11 | B8 | GPIO | B8 input/output |
| 12 | B7 | GPIO | B7 input/output |
| 13 | B6 | GPIO | B6 input/output |
| 14 | B5 | GPIO | B5 input/output |
| 15 | B4 | GPIO | B4 input/output |
| 16 | B3 | GPIO | B3 input/output |
| 17 | B2 | GPIO | B2 input/output |
| 18 | B1 | GPIO | B1 input/output |
| 19 | OE | GPIO | Output enable, active low |
| 20 | VCC | POWER | Power pin |
Interactive pinout
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SN74HC245
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