PCF8581CT/F4 查看數據表（PDF） - Philips Electronics

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PCF8581CT/F4

128 × 8-bit EEPROM with I2C-bus interface

Philips Electronics 

Philips Semiconductors

128 × 8-bit EEPROM with I2C-bus interface

Product specification

PCA8581; PCA8581C

12.2 Slave address

The PCA8581 has a fixed combination 1 0 1 0 as group 1, while group 2 is fully programmable (see Fig.13).

handbook, halfpage1 0 1 0 A2 A1 A0 R/W

group 1

group 2

MLB892

12.3 Diode protection

Fig.13 Slave address.

handbook, halfpage

A0

A1

A2

VSS

substrate

VDD

TEST

SCL

SDA

MLB894

There is no connection between SCL and VDD, and SDA and VDD; this allows powering down the device without affecting I2C-bus operation.

Fig.14 Device diode protection.

1997 Apr 02

13

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