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74HCT240 Octal Buffer (inv)
74HCT240
Texas Instrumentsic logic
The 74HCT240 is an octal buffer with inverted data passing and 3-state outputs, designed for memory address drivers and bus-oriented applications. It operates from a supply voltage range of 4.5V to 5.5V.
In stock
Specifications
6- Operating Voltage
- 4.5V to 5.5V
- Supply Current
- 80μA max max
- Interface
- TTL compatible inputs, 3-state outputs
- Output Drive
- +/-6mA at 5V
- Input Current
- 1μA max max
- Temperature Range
- -40°C to 85°C
Pinout
20| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | 1OE | GPIO | Output enable for the first buffer |
| 2 | 1A1 | GPIO | Input for 1A1 |
| 3 | 2Y4 | GPIO | Output for 2Y4 |
| 4 | 1A2 | GPIO | Input for 1A2 |
| 5 | 2Y3 | GPIO | Output for 2Y3 |
| 6 | 1A3 | GPIO | Input for 1A3 |
| 7 | 2Y2 | GPIO | Output for 2Y2 |
| 8 | 1A4 | GPIO | Input for 1A4 |
| 9 | 2Y1 | GPIO | Output for 2Y1 |
| 10 | GND | GND | Ground pin |
| 11 | 2A1 | GPIO | Input for 2A1 |
| 12 | 1Y4 | GPIO | Output for 1Y4 |
| 13 | 2A2 | GPIO | Input for 2A2 |
| 14 | 1Y3 | GPIO | Output for 1Y3 |
| 15 | 2A3 | GPIO | Input for 2A3 |
| 16 | 1Y2 | GPIO | Output for 1Y2 |
| 17 | 2A4 | GPIO | Input for 2A4 |
| 18 | 1Y1 | GPIO | Output for 1Y1 |
| 19 | 2OE | GPIO | Output enable for the second buffer |
| 20 | VCC | POWER | Power pin |
Interactive pinout
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74HCT240
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