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PCA9558 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. PCA9558
Description  8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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PCA9558 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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Philips Semiconductors
Product data
PCA9558
8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit
latched 6-bit I2C EEPROM and 2 k bit EEPROM
2002 May 24
4
BLOCK DIAGRAM
5
I2C
INTERFACE
LOGIC
MUX_IN
256 BYTE
EEPROM
GPIO
I2C
CONTROL
LOGIC
LATCH
8
5
MUX SELECT
MUX_OUT_LOW
NON_MUXED_OUT
I/O0–7
MUX_OUTE
MUX_OUTD
MUX_OUTC
MUX_OUTB
MUX_OUTA
SW00633
WRITE PROTECT
1
0
I/O_OUT_LOW
A0
PCA9558
SDA
SCL
VDD
GND
POWER-ON
RESET
5-BIT
2 TO 1
MULTIPLEXER
6-BIT EEPROM
INPUT
FILTER


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