PCF8574AT - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCF8574AT
Manufacturer

NXP
ChipWorker Part#

CW24754764
Category

Interface IC, Interface Controller
Package

SOIC
Description

NXP PCF8574AT IC, 8Bit I/O EXPANDER, 100kHz, 16WSOIC
Documentation

Datasheet

PCF8574AT Global Supplier

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PCF8574AT Specifications

Attribute	Attribute Value

Part Number	PCF8574AT
Manufacturer	NXP
ChipWorker Part#	CW24754764
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC
Supply Current	40.0 µA
Number of Positions	16 Position
Clock Speed	100 kHz
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.5V ~ 6V
Supply Voltage (Max)	6 V
Supply Voltage (Min)	2.5 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The PCF8574AT is a remote 8-bit I/O Expander for I²C-bus with interrupt. It provides general-purpose remote I/O expansion via the Two-Wire bi-directional I²C-bus. The devices consist of eight quasi-bi-directional ports, 100kHz I²C-bus interface, three hardware address inputs and interrupt output operating between 2.5 and 6V. The quasi-bi-directional port can be independently assigned as an input to monitor interrupt status or keypads or as an output to activate indicator devices such as LEDs. System master can read from the input port or write to the output port through a single register.
I²C-bus to parallel port expander
8-bit Remote I/O pins that default to inputs at power-up
Latched outputs directly drive LEDs
Active low open-drain interrupt output
Eight programmable slave addresses using three address pins
Low standby current
ESD protection exceeds 2000V HBM per JESD22-A114 and 1000V CDM per JESD22-C101
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100mA

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