NXP
PCF8574 Series 2.5 - 6 V Remote 8-bit I/O Expander for I2C-bus - DIP-16

Mfr Part#: PCF8574AP, 112
Mounting Method: Through Hole
Package Style: DIP-16
Packaging: TUBE
Std Packaging Qty: 25

The PCF8570 is a low power static CMOS RAM, organized as 256 words by 8-bits. Addresses and data are transferred serially via a two-line bidirectional bus (I2C-bus). The built-in word address register is incremented automatically after each written or read data byte. Three address pins, A0, A1 and A2 are used to define the hardware address, allowing the use of up to 8 devices connected to the bus without additional hardware.

Features:

Operating supply voltage 2.5 to 6.0 V
Low data retention voltage; Minimum 1.0 V
Low standby current; Maximum 15 mA
Power-saving mode; Typical 50 nA
Serial input/output bus (I2C-bus)
Address by 3 hardware address pins
Automatic word address incrementing
Available in DIP8 and SO8 packages