74AHCT14 hex Schmitt-trigger inverter that accepts 3.3 V logic input and drives 5 V AHCT output levels. Commonly used to level-shift or invert logic signals between 3.3 V microcontrollers and 5 V peripherals.
Inverter 1 data input
Inverter 1 data output
Inverter 2 data input
Inverter 2 data output
Inverter 3 data input
Inverter 3 data output
Ground
Inverter 4 data output
Inverter 4 data input
Inverter 5 data output
Inverter 5 data input
Inverter 6 data output
Inverter 6 data input
Supply voltage
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 1A | DIP pin 1 | Unknown | Inverter 1 data input | |
| 1Y | DIP pin 2 | Unknown | Inverter 1 data output | |
| 2A | DIP pin 3 | Unknown | Inverter 2 data input | |
| 2Y | DIP pin 4 | Unknown | Inverter 2 data output | |
| 3A | DIP pin 5 | Unknown | Inverter 3 data input | |
| 3Y | DIP pin 6 | Unknown | Inverter 3 data output | |
| GND | DIP pin 7 | Ground | Ground | 0V |
| 4Y | DIP pin 8 | Unknown | Inverter 4 data output | |
| 4A | DIP pin 9 | Unknown | Inverter 4 data input | |
| 5Y | DIP pin 10 | Unknown | Inverter 5 data output | |
| 5A | DIP pin 11 | Unknown | Inverter 5 data input | |
| 6Y | DIP pin 12 | Unknown | Inverter 6 data output | |
| 6A | DIP pin 13 | Unknown | Inverter 6 data input | |
| VCC | DIP pin 14 | Power | Supply voltage |
Inverter 1 data input
Inverter 1 data output
Inverter 2 data input
Inverter 2 data output
Inverter 3 data input
Inverter 3 data output
Ground
Inverter 4 data output
Inverter 4 data input
Inverter 5 data output
Inverter 5 data input
Inverter 6 data output
Inverter 6 data input
Supply voltage
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