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PCF8574ADW on a board, in 3D

PCF8574ADW

Texas Instruments

-40℃~+85℃ 100kHz 2.5V~6V 8 I2C Interrupt Output Reset function、Cascade and address expansion、Built-in LED driver SOIC-16-300mil I/O Expanders ROHS

Extended
DatasheetJLCPCBLCSCti/PCF8574ADW
Category
I, O Expanders
Package
SOIC-16-300mil
Pins
16

Overview

The PCF8574ADW is an i, O Expander made by Texas Instruments in a SOIC-16-300mil package with 16 pins. -40℃~+85℃ 100kHz 2.5V~6V 8 I2C Interrupt Output Reset function、Cascade and address expansion、Built-in LED driver SOIC-16-300mil I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (Analog & Interface:PCF8574ADW, from CERN's library) and its footprint (Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1542489).

Symbol

INT13A01A12A23SCL14SDA15VCC16P04P15P26P37P49P510P611P712GND8
Analog & Interface:PCF8574ADWFrom CERN's library

Footprint

12345678910111213141516
Package_SO:SOIC-16W_7.5x10.3mm_P1.27mmFrom KiCad's library

Parameters

7
Clock Frequency
100kHz
Features
Reset function, Cascade and address expansion, Built-in LED driver
Interface
I2C
Interrupt Output
Interrupt Output
Number of I/O
8
Operating Temperature
-40℃~+85℃
Voltage - Supply
2.5V~6V

Order codes

1

Pinout

16
The pins of the PCF8574ADW
PinNameType
1A0Input
2A1Input
3A2Input
4P0Input/output
5P1Input/output
6P2Input/output
7P3Input/output
8GNDPower in
9P4Input/output
10P5Input/output
11P6Input/output
12P7Input/output
13INTOutput
14SCLInput
15SDAInput/output
16VCCInput/output

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Questions

Is there a KiCad symbol and footprint for the PCF8574ADW?

Yes. The symbol is Analog & Interface:PCF8574ADW and the footprint Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCF8574ADW?

SOIC-16-300mil, with 16 pins. Its footprint is drawn on this page.

Where is the PCF8574ADW datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the PCF8574ADW?

JLCPCB lists it as part C1542489, with 0 in stock; the sellers' links on this page open their listings.

What can replace the PCF8574ADW?

Parts like it in the library: the PCF8574T/3,518 by NXP Semiconductors, the PCF8574T/TR by HGSEMI, the PCF8574DWR by Texas Instruments and the PCF8574AT/TR by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8