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74AHC540 Octal Buffer (inv)
74AHC540
Texas Instrumentsic logic
The 74AHC540 is an octal buffer with inverted outputs, suitable for driving bus lines or memory address registers.
In stock
Specifications
8- Operating Voltage
- 2 V to 5.5 V
- Supply Current
- 4 µA to 40 µA
- Interface
- CMOS
- Resolution
- 50 pF (Input capacitance) pF
- Range
- -0.5 V to 7 V (Input voltage range)
- Accuracy
- ±1% (Typical) %
- Temperature Range
- -55°C to 125°C
- Package
- 20-pin CDIP, CFP, SSOP, TVSOP, SOIC, PDIP, TSSOP
Pinout
20| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | OE1 | GPIO | Output Enable 1 |
| 2 | A1 | GPIO | Input A1 |
| 3 | A2 | GPIO | Input A2 |
| 4 | A3 | GPIO | Input A3 |
| 5 | A4 | GPIO | Input A4 |
| 6 | A5 | GPIO | Input A5 |
| 7 | A6 | GPIO | Input A6 |
| 8 | A7 | GPIO | Input A7 |
| 9 | A8 | GPIO | Input A8 |
| 10 | GND | GND | Ground |
| 11 | Y8 | GPIO | Output Y8 (Inverted) |
| 12 | Y7 | GPIO | Output Y7 (Inverted) |
| 13 | Y6 | GPIO | Output Y6 (Inverted) |
| 14 | Y5 | GPIO | Output Y5 (Inverted) |
| 15 | Y4 | GPIO | Output Y4 (Inverted) |
| 16 | Y3 | GPIO | Output Y3 (Inverted) |
| 17 | Y2 | GPIO | Output Y2 (Inverted) |
| 18 | Y1 | GPIO | Output Y1 (Inverted) |
| 19 | OE2 | GPIO | Output Enable 2 |
| 20 | VCC | POWER | Power Pin |
Interactive pinout
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74AHC540
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