
8-bit bidirectional level translator using TXS0108E for fast voltage translation across common protocols. Supports data rates up to 60 Mbps with automatic direction control.

One grouped connection is listed in the table but omitted from the graphic until individual pins are available.
Port A supply
Port B supply
output enable
ground
Port A bidirectional channels
Port B bidirectional channels
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VA | 1 | Power | Port A supply | 1.2V-3.6V |
| VB | 2 | Power | Port B supply | 1.65V-5.5V |
| OE | 3 | Control | output enable | |
| GND | 4 | Ground | ground | |
| A1-A8 | 5 | GPIO | Port A bidirectional channels | |
| B1-B8 | 6 | GPIO | Port B bidirectional channels |
One grouped connection is omitted from the graphic until individual pins are available.
Port A supply
Port B supply
output enable
ground
Port A bidirectional channels
Port B bidirectional channels
BSS138/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.
2-Channel Level Converter (12V to 3.3V) visual preview2-Channel Level Converter (12V to 3.3V)
2-Channel Level Converter (12V to 5V) visual preview2-Channel Level Converter (12V to 5V)
4-channel I2C-safe Bi-directional Logic Level Converter visual preview4-channel I2C-safe Bi-directional Logic Level Converter
4-Channel Level Converter (12V to 3.3V) visual preview4-Channel Level Converter (12V to 3.3V)
4-Channel Level Converter (12V to 5V) visual preview4-Channel Level Converter (12V to 5V)
74AHCT125 - Quad Level-Shifter (3V to 5V) visual preview74AHCT125 - Quad Level-Shifter (3V to 5V)
74AHCT14 - Logic Level Inverter / Level Shifter visual preview74AHCT14 - Logic Level Inverter / Level Shifter
74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter visual preview74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter
8-channel Bi-directional Logic Level Converter visual preview8-channel Bi-directional Logic Level Converter
Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic visual previewAdafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic
Adafruit QT 5V to 3V Level Shifter Breakout - STEMMA QT / Qwiic visual previewAdafruit QT 5V to 3V Level Shifter Breakout - STEMMA QT / Qwiic
Fermion: TXS0104E 4-Bit Level Translator (Breakout) visual previewFermion: TXS0104E 4-Bit Level Translator (Breakout)
10W Super Bright LED - Violet visual previewWS2812/SK6812 NeoPixel strips, rings and Jewels, APA102 DotStar pixels, and plain analog RGB strips — each matched to its protocol and host, not just its connector.
Components · Addressable LEDs · 180 parts
18-Channel 8-bit PWM LED Driver w/ I2C Interface visual preview74HC logic gates, MCP3008/MCP23017 ADCs and expanders, 24LC256 EEPROM, 4N25-series optocouplers and ULN2803A drivers — bare DIP chips with no breakout-board conveniences like pull-ups or level shifting.
Components · Integrated circuits · 68 parts
10-bit ADC (SPI) visual previewADS1115/MCP3421 ADCs, MCP4725 and GP8413 DACs, CP2102 USB-UART boards, and I2C plumbing like the LTC4316 address shifter — matched to bus, resolution and signal range.
Components · Interface converters · 114 parts
256MB Micro SD Memory Card visual preview24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.
Components · Memory & storage · 39 parts