8-channel Bi-directional Logic Level Converter

Availability

In stock

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.

Logical pinout · physical placement not verified

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

Logical pinout · physical placement not verified

Pin details

20 connections

A1
Low-voltage side I/O channel 1, referenced to VCCA/LV
Analog
header / IC pin 1
A2
Low-voltage side I/O channel 2
Analog
header / IC pin 3
A3
Low-voltage side I/O channel 3
Analog
header / IC pin 4
A4
Low-voltage side I/O channel 4
Analog
header / IC pin 5
A5
Low-voltage side I/O channel 5
Analog
header / IC pin 6
A6
Low-voltage side I/O channel 6
Analog
header / IC pin 7
A7
Low-voltage side I/O channel 7
Analog
header / IC pin 8
A8
Low-voltage side I/O channel 8
Analog
header / IC pin 9
VCCALV
A-port low-voltage supply
PowerVoltage · 1.2-3.6V
header / IC pin 2
OE
Output enable, referenced to VCCA; low puts outputs high impedance
Control
header / IC pin 10
GND
Ground
GroundVoltage · 0V
header / IC pin 11
B1
High-voltage side I/O channel 1, referenced to VCCB/HV
Signal
header / IC pin 20
B2
High-voltage side I/O channel 2
Signal
header / IC pin 18
B3
High-voltage side I/O channel 3
Signal
header / IC pin 17
B4
High-voltage side I/O channel 4
Signal
header / IC pin 16
B5
High-voltage side I/O channel 5
Signal
header / IC pin 15
B6
High-voltage side I/O channel 6
Signal
header / IC pin 14
B7
High-voltage side I/O channel 7
Signal
header / IC pin 13
B8
High-voltage side I/O channel 8
Signal
header / IC pin 12
VCCBHV
B-port high-voltage supply
PowerVoltage · 1.65-5.5V
header / IC pin 19

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