TCA7408
TCA7408 is Low-Voltage 8-Bit I2C and SMBus I/O Expander manufactured by Texas Instruments.
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SCPS235D
- NOVEMBER 2011
- REVISED APRIL 2018
TCA7408 Low-Voltage 8-Bit I2C and SMBus I/O Expander With Interrupt Output, RESET Input, I/O Direction Registers, and Programmable Pull-Up/Pull-Down
1 Features
- 1 Operating Power-Supply Voltage Range of 1.65 to 3.6 V
- Allows Bidirectional Voltage-Level Translation and GPIO Expansion Between 1.8-V, 2.5-V, 3.3-V GPIO Port and
- 1.8-V SCL/SDA
- 2.5-V SCL/SDA
- 3.3-V SCL/SDA
- 5-V SCL/SDA
- Standby Current Consumption of < 2 µA at 1.8 V
- Active Current Consumption of:
- < 2 µA at 1.8-V 100-kHz Clock
- < 5 µA at 1.8-V 400-kHz Clock
- 100-kHz, 400-kHz...
