74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter
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Breadboard-friendly 74LVC245 8-bit bidirectional level shifter for connecting 5V controllers to lower-voltage sensors, displays, and interfaces.
Breadboard-friendly 74LVC245 8-bit bidirectional level shifter for connecting 5V controllers to lower-voltage sensors, displays, and interfaces.
One grouped connection is listed in the table but omitted from the graphic until individual pins are available.
Logic supply for the transceiver. Choose wiring according to the exact level-shifting design.
Ground reference
Direction control input from MCU or fixed logic.
Output enable, active low.
Eight bus pins on side A.
Eight bus pins on side B.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| VCC | Power | Logic supply for the transceiver. Choose wiring according to the exact level-shifting design. | 3.3V |
| GND | Ground | Ground reference | |
| DIR | GPIO | Direction control input from MCU or fixed logic. | |
| OE | GPIO | Output enable, active low. | |
| A1-A8 | Signal | Eight bus pins on side A. | |
| B1-B8 | Signal | Eight bus pins on side B. |
One grouped connection is omitted from the graphic until individual pins are available.
Logic supply for the transceiver. Choose wiring according to the exact level-shifting design.
Ground reference
Direction control input from MCU or fixed logic.
Output enable, active low.
Eight bus pins on side A.
Eight bus pins on side B.
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