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PCF8574N on a board, in 3D

PCF8574N

Texas Instruments

-40℃~+85℃ 100kHz 2.5V~6V 2.5uA 25mA 30uA 8 I2C Interrupt Output Push-Pull Reset function、Cascading and address extension、Built-in LED driver PDIP-16 I/O Expanders ROHS

Extended
DatasheetJLCPCBLCSCti/PCF8574N
Category
I, O Expanders
Package
PDIP-16
Pins
16

Overview

The PCF8574N is an i, O Expander made by Texas Instruments in a PDIP-16 package with 16 pins. -40℃~+85℃ 100kHz 2.5V~6V 2.5uA 25mA 30uA 8 I2C Interrupt Output Push-Pull Reset function、Cascading and address extension、Built-in LED driver PDIP-16 I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TCA9554DBR, from EasyEDA) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. 8 are in stock at JLCPCB (part C2879047). 3 open-source boards in 2 repositories on GitHub use it.

Symbol

A01A12A23P04P15P26P37GND8P49P510P611P712INT#13SCL14SDA15VCC16
EasyEDA_Cloud:TCA9554DBRFrom EasyEDA

Footprint

12345678910111213141516
Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

11
Clock Frequency
100kHz
Current - Output High(IOH)
30uA
Current - Output Low(IOL)
25mA
Features
Reset function
Interface
I2C
Interrupt Output
Interrupt Output
Number of I/O
8
Operating Temperature
-40℃~+85℃
Output Type
Push-Pull
Quiescent Supply Current
2.5uA
Voltage - Supply
2.5V~6V

Order codes

1

Pinout

16
The pins of the PCF8574N
PinNameType
1A0Unspecified
2A1Unspecified
3A2Unspecified
4P0Unspecified
5P1Unspecified
6P2Unspecified
7P3Unspecified
8GNDUnspecified
9P4Unspecified
10P5Unspecified
11P6Unspecified
12P7Unspecified
13INT#Unspecified
14SCLUnspecified
15SDAUnspecified
16VCCUnspecified

Open-source boards using it

All 3

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Questions

Is there a KiCad symbol and footprint for the PCF8574N?

Yes. The symbol is EasyEDA_Cloud:TCA9554DBR and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCF8574N?

PDIP-16, with 16 pins. Its footprint is drawn on this page.

Where is the PCF8574N datasheet?

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

Where can I order the PCF8574N?

JLCPCB lists it as part C2879047, with 8 in stock; the sellers' links on this page open their listings.

What can replace the PCF8574N?

Parts like it in the library: the XD8574AP by XINLUDA, the XD8574P by XINLUDA, the PCF8574AN by Texas Instruments and the HT8574ANZ by HTCSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PCF8574N?

3 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8