PCA9559PW中文资料飞利浦数据手册PDF规格书

DESCRIPTION

The primary function of the 5-bit multiplexer, 1-bit latch is to enable system configuration.

FEATURES

• 5-bit 2-to-1 multiplexer, 1-bit latch

• 6-bit internal non-volatile register

• Internal non-volatile register programmable and readable via I2C bus

• Override input forces all outputs to logic 0

• 5 open drain multiplexed outputs

• 1 open drain non-multiplexed (latched) output

• 5V and 2.5V tolerant inputs

• Useful for ‘jumperless’ configuration of PC motherboards

• 2 address pins, allowing up to 4 devices on the I2C bus