74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter
Pinout
One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.
- VCC
Logic supply for the transceiver. Choose wiring according to the exact level-shifting design.
Type · PowerVoltage · 3.3V - GND
Ground reference
Type · Ground - DIR
Direction control input from MCU or fixed logic.
Type · GPIO - OE
Output enable, active low.
Type · GPIO - A1-A8
Eight bus pins on side A.
Type · Signal - B1-B8
Eight bus pins on side B.
Type · Signal
| 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 source record is expanded into separate logical pads where unambiguous; physical placement is not implied.
Pin details
6 connections- VCC
Logic supply for the transceiver. Choose wiring according to the exact level-shifting design.
PowerVoltage · 3.3V - GND
Ground reference
Ground - DIR
Direction control input from MCU or fixed logic.
GPIO - OE
Output enable, active low.
GPIO - A1-A8
Eight bus pins on side A.
Signal - B1-B8
Eight bus pins on side B.
Signal
Level shifters
20 other optionsBSS138/PCA9306 I2C shifters, TXB0104/TXS0108E auto-direction translators, 74LVC245/74AHCT125 buffers, and 12V-to-3.3V converters — matched to bus type and direction, not channel count.
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Fermion: TXS0104E 4-Bit Level Translator (Breakout) visual previewFermion: TXS0104E 4-Bit Level Translator (Breakout)
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