PCA9559 Datasheet | NXP Semiconductors

INTEGRATED CIRCUITS PCA9559 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM Product specification Supersedes data of 1999 Oct 20 2000 Jan 31 Philips Semiconductors Philips Semiconductors Product specification 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM 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 DESCRIPTION The primary function of the 5-bit multiplexer, 1-bit latch is to enable system configuration. PIN CONFIGURATION 2 I C SCL SDA A1 A0 1 2 3 4 5 6 7 8 9 20 VCC 19 WP 18 OVERRIDE # 17 NON_MUXED_OUT 16 MUX_OUT A 15 MUX_OUT B 14 MUX_OUT C 13 MUX_OUT D 12 MUX_OUT E 11 MUX_SELECT I2C MUX_IN A MUX_IN B MUX_IN C MUX_IN D MUX_IN E GND 10 SW00216 ORDERING INFORMATION PACKAGES 20-Pin Plastic TSSOP TEMPERATURE RANGE 0°C to +70°C ORDER CODE PCA9559 PW DH DRAWING NUMBER...