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PCF8574APW on a board, in 3D

PCF8574APW

Texas Instruments

-40℃~+85℃ 100kHz 2.5V~6V 8 I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver TSSOP-20 I/O Expanders ROHS

Extended
DatasheetJLCPCBLCSCti/PCF8574APW
Category
I, O Expanders
Package
TSSOP-20
Pins
20

Overview

The PCF8574APW is an i, O Expander made by Texas Instruments in a TSSOP-20 package with 20 pins. -40℃~+85℃ 100kHz 2.5V~6V 8 I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver TSSOP-20 I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:PCF8574ADGVR, from EasyEDA) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2867171).

Symbol

INT#1SCL2NC3SDA4VCC5A06A17NC8A29P010P111P212NC13P314GND15P416P517NC18P619P720
EasyEDA_Cloud:PCF8574ADGVRFrom EasyEDA

Footprint

1234567891011121314151617181920
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mmFrom KiCad's library

Parameters

6
Clock Frequency
100kHz
Interface
I2C
Interrupt Output
With Interrupt Output
Number of I/O
8
Operating Temperature
-40℃~+85℃
Voltage - Supply
2.5V~6V

Order codes

1

Pinout

20
The pins of the PCF8574APW
PinNameType
1INT#Unspecified
2SCLUnspecified
3NCUnspecified
4SDAUnspecified
5VCCUnspecified
6A0Unspecified
7A1Unspecified
8NCUnspecified
9A2Unspecified
10P0Unspecified
11P1Unspecified
12P2Unspecified
13NCUnspecified
14P3Unspecified
15GNDUnspecified
16P4Unspecified
17P5Unspecified
18NCUnspecified
19P6Unspecified
20P7Unspecified

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Questions

Is there a KiCad symbol and footprint for the PCF8574APW?

Yes. The symbol is EasyEDA_Cloud:PCF8574ADGVR and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCF8574APW?

TSSOP-20, with 20 pins. Its footprint is drawn on this page.

Where is the PCF8574APW datasheet?

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

Where can I order the PCF8574APW?

JLCPCB lists it as part C2867171, with 0 in stock; the sellers' links on this page open their listings.

What can replace the PCF8574APW?

Parts like it in the library: the PCF8574PW by Texas Instruments, the PCF8574T/3,518 by NXP Semiconductors, the PCF8574APWR by Texas Instruments and the PCF8574T/TR by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8