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74HCT540 Octal Buffer (inv)
74HCT540
Texas Instrumentsic logic
The SN54HCT540 is an octal buffer and line driver with high-speed, low-power consumption, and 3-state outputs. It's designed for interfacing between systems or driving multiple loads.
In stock
Specifications
5- Operating Voltage Range
- 4.5 V to 5.5 V V
- Low Power Consumption
- 80 µA Max ICC µA
- Typical Tpd
- 12 ns ns
- ±6-MA Output Drive At 5 V
- ±6 mA mA
- Low Input Current
- 1 µA Max µA
Pinout
20| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | VCC | POWER | Power supply |
| 2 | OE1 | GPIO | Output enable control for the first eight channels. |
| 3 | A1 | GPIO | Input data |
| 4 | OE2 | GPIO | Output enable control for the second eight channels. |
| 5 | Y1 | GPIO | Output of channel one |
| 6 | A2 | GPIO | Input data for the second channel. |
| 7 | Y2 | GPIO | Output of channel two |
| 8 | A3 | GPIO | Input data for the third channel. |
| 9 | Y3 | GPIO | Output of channel three |
| 10 | GND | GND | Ground reference. |
| 11 | Y8 | GPIO | Output of channel eight |
| 12 | A8 | GPIO | Input data for the eighth channel. |
| 13 | Y7 | GPIO | Output of channel seven |
| 14 | A7 | GPIO | Input data for the seventh channel. |
| 15 | Y6 | GPIO | Output of channel six |
| 16 | A6 | GPIO | Input data for the sixth channel. |
| 17 | Y5 | GPIO | Output of channel five |
| 18 | A5 | GPIO | Input data for the fifth channel. |
| 19 | Y4 | GPIO | Output of channel four |
| 20 | OE2 | GPIO | Output enable control for the second eight channels. |
Interactive pinout
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74HCT540
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