74HC541 Octal 3-State Non-Inverting Buffer / Line Driver
Octal non-inverting buffer and line driver with 3-state outputs and straight-through flow-through pinout architecture for easy PCB bus routing.
Aliase:SN74HC541N, 74541, 74HCT541, Octal Buffer
DIP-20 / SOIC-20 Top View
20 Pins
Pinout Table20
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | ~OE1 | Digital | Output Enable 1 (Active Low — HIGH = all outputs Hi-Z) |
| 2 | A0 | Digital | Data Input A0 |
| 3 | A1 | Digital | Data Input A1 |
| 4 | A2 | Digital | Data Input A2 |
| 5 | A3 | Digital | Data Input A3 |
| 6 | A4 | Digital | Data Input A4 |
| 7 | A5 | Digital | Data Input A5 |
| 8 | A6 | Digital | Data Input A6 |
| 9 | A7 | Digital | Data Input A7 |
| 10 | GND | Ground | Ground (0V) |
| 11 | Y7 | Digital | 3-State Data Output Y7 |
| 12 | Y6 | Digital | 3-State Data Output Y6 |
| 13 | Y5 | Digital | 3-State Data Output Y5 |
| 14 | Y4 | Digital | 3-State Data Output Y4 |
| 15 | Y3 | Digital | 3-State Data Output Y3 |
| 16 | Y2 | Digital | 3-State Data Output Y2 |
| 17 | Y1 | Digital | 3-State Data Output Y1 |
| 18 | Y0 | Digital | 3-State Data Output Y0 |
| 19 | ~OE2 | Digital | Output Enable 2 (Active Low — HIGH = all outputs Hi-Z) |
| 20 | VCC | Power | Supply Voltage (2.0V to 6.0V DC) |