← All parts
74AC240 Octal Buffer (inv)
74AC240
Texas Instrumentsic logic
The 74AC240 is an octal buffer with inverted outputs, providing input and output enable functionality.
In stock
Specifications
4- Operating Voltage
- 2-6 V
- Supply Current
- 40 µA to 80 µA
- Temperature Range
- -55°C to 125°C
- Package
- DB, DW, N, NS, PW, SOIC, PDIP, SOP, TSSOP
Pinout
20| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | OE1 | GPIO | Output enable 1 |
| 2 | A1 | GPIO | Input 1A1 |
| 3 | Y4 | GPIO | Output 2Y4 |
| 4 | A2 | GPIO | Input 1A2 |
| 5 | Y3 | GPIO | Output 2Y3 |
| 6 | A3 | GPIO | Input 1A3 |
| 7 | Y2 | GPIO | Output 2Y2 |
| 8 | A4 | GPIO | Input 1A4 |
| 9 | Y1 | GPIO | Output 2Y1 |
| 10 | GND | GND | Ground pin |
| 11 | A5 | GPIO | Input 2A1 |
| 12 | Y8 | GPIO | Output 1Y4 |
| 13 | A6 | GPIO | Input 2A2 |
| 14 | Y7 | GPIO | Output 1Y3 |
| 15 | A7 | GPIO | Input 2A3 |
| 16 | Y6 | GPIO | Output 1Y2 |
| 17 | A8 | GPIO | Input 2A4 |
| 18 | Y5 | GPIO | Output 1Y1 |
| 19 | OE2 | GPIO | Output enable 2 |
| 20 | VCC | POWER | Power pin |
Interactive pinout
Highlight:
74AC240
Click a pin to copy its name · tap a tag above to spotlight a bus.