PCA9501 - 8-bit I2C and SMBus I/O port

Datasheet Details

Part number	PCA9501
Manufacturer	NXP
File Size	169.54 KB
Description	8-bit I2C and SMBus I/O port
Datasheet	PCA9501_PhilipsSemiconductors.pdf

The PCA9501 is an 8-bit I/O expander with an on-board 2-kbit EEPROM.

I 8 general purpose input/output expander/collector I Replacement for PCF8574 with integrated 2-kbit EEPROM I Internal 256 × 8 EEPROM I Self timed write cycle (5 ms typical) I 16 byte page write operation I I2C-bus and SMBus interface logic I Internal power-on reset I Noise ﬁlter on SCL/SDA inputs I Active LOW interrupt output I 6 address pins allowing up to 64 devices on the I2C-bus/SMBus I No glitch on power-up I Supports hot insertion I Power-up with all channels conﬁgured as inputs NXP Semi.

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Published: Mar 22, 2005 |