8-channel Bi-directional Logic Level Converter
TXB0108-based 8-channel bidirectional logic level translator that auto-detects signal direction, supporting any voltage-to-voltage translation. Suitable for high-speed interfaces; not compatible with open-drain or I2C pull-up-only buses.
Pinout
- A1header / IC pin 1
Low-voltage side I/O channel 1, referenced to VCCA/LV
Type · Analog - A2header / IC pin 3
Low-voltage side I/O channel 2
Type · Analog - A3header / IC pin 4
Low-voltage side I/O channel 3
Type · Analog - A4header / IC pin 5
Low-voltage side I/O channel 4
Type · Analog - A5header / IC pin 6
Low-voltage side I/O channel 5
Type · Analog - A6header / IC pin 7
Low-voltage side I/O channel 6
Type · Analog - A7header / IC pin 8
Low-voltage side I/O channel 7
Type · Analog - A8header / IC pin 9
Low-voltage side I/O channel 8
Type · Analog - VCCALVheader / IC pin 2
A-port low-voltage supply
Type · PowerVoltage · 1.2-3.6V - OEheader / IC pin 10
Output enable, referenced to VCCA; low puts outputs high impedance
Type · Control - GNDheader / IC pin 11
Ground
Type · GroundVoltage · 0V - B1header / IC pin 20
High-voltage side I/O channel 1, referenced to VCCB/HV
Type · Signal - B2header / IC pin 18
High-voltage side I/O channel 2
Type · Signal - B3header / IC pin 17
High-voltage side I/O channel 3
Type · Signal - B4header / IC pin 16
High-voltage side I/O channel 4
Type · Signal - B5header / IC pin 15
High-voltage side I/O channel 5
Type · Signal - B6header / IC pin 14
High-voltage side I/O channel 6
Type · Signal - B7header / IC pin 13
High-voltage side I/O channel 7
Type · Signal - B8header / IC pin 12
High-voltage side I/O channel 8
Type · Signal - VCCBHVheader / IC pin 19
B-port high-voltage supply
Type · PowerVoltage · 1.65-5.5V
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| A1 | header / IC pin 1 | Analog | Low-voltage side I/O channel 1, referenced to VCCA/LV | |
| A2 | header / IC pin 3 | Analog | Low-voltage side I/O channel 2 | |
| A3 | header / IC pin 4 | Analog | Low-voltage side I/O channel 3 | |
| A4 | header / IC pin 5 | Analog | Low-voltage side I/O channel 4 | |
| A5 | header / IC pin 6 | Analog | Low-voltage side I/O channel 5 | |
| A6 | header / IC pin 7 | Analog | Low-voltage side I/O channel 6 | |
| A7 | header / IC pin 8 | Analog | Low-voltage side I/O channel 7 | |
| A8 | header / IC pin 9 | Analog | Low-voltage side I/O channel 8 | |
| VCCALV | header / IC pin 2 | Power | A-port low-voltage supply | 1.2-3.6V |
| OE | header / IC pin 10 | Control | Output enable, referenced to VCCA; low puts outputs high impedance | |
| GND | header / IC pin 11 | Ground | Ground | 0V |
| B1 | header / IC pin 20 | Signal | High-voltage side I/O channel 1, referenced to VCCB/HV | |
| B2 | header / IC pin 18 | Signal | High-voltage side I/O channel 2 | |
| B3 | header / IC pin 17 | Signal | High-voltage side I/O channel 3 | |
| B4 | header / IC pin 16 | Signal | High-voltage side I/O channel 4 | |
| B5 | header / IC pin 15 | Signal | High-voltage side I/O channel 5 | |
| B6 | header / IC pin 14 | Signal | High-voltage side I/O channel 6 | |
| B7 | header / IC pin 13 | Signal | High-voltage side I/O channel 7 | |
| B8 | header / IC pin 12 | Signal | High-voltage side I/O channel 8 | |
| VCCBHV | header / IC pin 19 | Power | B-port high-voltage supply | 1.65-5.5V |
Pin details
20 connections- A1header / IC pin 1
Low-voltage side I/O channel 1, referenced to VCCA/LV
Analog - A2header / IC pin 3
Low-voltage side I/O channel 2
Analog - A3header / IC pin 4
Low-voltage side I/O channel 3
Analog - A4header / IC pin 5
Low-voltage side I/O channel 4
Analog - A5header / IC pin 6
Low-voltage side I/O channel 5
Analog - A6header / IC pin 7
Low-voltage side I/O channel 6
Analog - A7header / IC pin 8
Low-voltage side I/O channel 7
Analog - A8header / IC pin 9
Low-voltage side I/O channel 8
Analog - VCCALVheader / IC pin 2
A-port low-voltage supply
PowerVoltage · 1.2-3.6V - OEheader / IC pin 10
Output enable, referenced to VCCA; low puts outputs high impedance
Control - GNDheader / IC pin 11
Ground
GroundVoltage · 0V - B1header / IC pin 20
High-voltage side I/O channel 1, referenced to VCCB/HV
Signal - B2header / IC pin 18
High-voltage side I/O channel 2
Signal - B3header / IC pin 17
High-voltage side I/O channel 3
Signal - B4header / IC pin 16
High-voltage side I/O channel 4
Signal - B5header / IC pin 15
High-voltage side I/O channel 5
Signal - B6header / IC pin 14
High-voltage side I/O channel 6
Signal - B7header / IC pin 13
High-voltage side I/O channel 7
Signal - B8header / IC pin 12
High-voltage side I/O channel 8
Signal - VCCBHVheader / IC pin 19
B-port high-voltage supply
PowerVoltage · 1.65-5.5V
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