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PCF8574ATS/3, in 3D

PCF8574ATS/3

NXP Semiconductors

-40℃~+85℃ 100kHz 2.5V~6V 2.5uA 25mA 300uA 8 8 I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver LSSOP-20-175mil I/O Expanders ROHS

Extended
JLCPCBLCSCnxp/PCF8574ATS/3
Category
I, O Expanders
Package
LSSOP-20-175mil
Pins
20

Overview

The PCF8574ATS/3 is an i, O Expander made by NXP Semiconductors in a LSSOP-20-175mil package with 20 pins. -40℃~+85℃ 100kHz 2.5V~6V 2.5uA 25mA 300uA 8 8 I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver LSSOP-20-175mil I/O Expanders ROHS.

PCBKit's library has its KiCad symbol (Interface_Expansion:PCF8574ATS, from KiCad's library) and its footprint (Package_SO:SSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 2 are in stock at JLCPCB (part C2803277). 10 open-source boards in 9 repositories on GitHub use it.

Symbol

INT1SCL2SDA4VDD5A06A17A29P010P111P212P314VSS15P416P517P619P720
Interface_Expansion:PCF8574ATSFrom KiCad's library

Footprint

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

Parameters

12
Clock Frequency
100kHz
Current - Output High(IOH)
300uA
Current - Output Low(IOL)
25mA
Features
Built-in LED driver
Interface
I2C
Interrupt Output
Interrupt Output
Number of I/O
8
Number of Supporting Devices
8
Operating Temperature
-40℃~+85℃
Output Type
Quasi-bidirectional output
Quiescent Supply Current
2.5uA
Voltage - Supply
2.5V~6V

Order codes

1

Pinout

20
The pins of the PCF8574ATS/3
PinNameType
1INTOpen collector
2SCLInput
3NCNot connected
4SDAInput/output
5VDDPower in
6A0Input
7A1Input
8NCNot connected
9A2Input
10P0Input/output
11P1Input/output
12P2Input/output
13NCNot connected
14P3Input/output
15VSSPower in
16P4Input/output
17P5Input/output
18NCNot connected
19P6Input/output
20P7Input/output

Open-source boards using it

All 10
  • 2 layersEsp, the printed circuit board in 3D

    Esp

    DaLumberjack/Communifarm-PCB

    homeassistant-pcb

    95 parts
  • 4 layersElec Donut, the printed circuit board in 3D

    Elec Donut

    pollen-robotics/elec_Donut

    Donut is electronic boarrd dedicated to the positionning and the initialization of Orbita 3d for Reachy 2

    94 partsApache-2.0
  • 2 layers20.3 × 63 mmBodyControllerForSX70z, the printed circuit board in 3D

    BodyControllerForSX70z

    ZeshuLiu/SX70z

    SX-70 电子化机身主控 | Electronic Polaroid SX-70 Controller 基于 ESP32 的宝丽来 SX-70 相机控制模块，替换原装机头控制器。 支持自动测光曝光、B/T/手动模式、闪光灯同步、BLE+WiFi配网、OTA升级。 配备 128×32 OLED 机身控制器显示 EV 和快门速度，3D 按键交互。 Firmware: GPLv3 Hardware: CERN-OHL-S 2.0

    22 parts10
  • 2 layers24 × 85.2 mmController body, the printed circuit board in 3D

    Controller body

    ZeshuLiu/SX-70-Mk2

    把板子上的U+ U- GND VCC焊到usb线上，连接电脑后可以当作树莓派Pico开发板进行操作，上传代码的参见这里（树莓派官网）。 \ 在将机身主控安装至机器内部之前需要将micropython固件及代码烧录至控制器中。后续可以通过机身控制器上的USB接口连接开发板并更新python代码。 将code根目录中的所有python文件上传至控制器（文件夹不需要），并且将gmain.py命名为…

    31 parts2GPL-3.0
  • 4 layers75 × 65 mmCRImier MyKiCad vaio re, the printed circuit board in 3D

    CRImier MyKiCad vaio re

    punkfab/pcb-corpus

    235 real KiCad boards from open-source hardware repositories, prepared as a placement and routing benchmark

    289 parts1
  • 2 layers123 × 69 mmProyekOPSI2023, the printed circuit board in 3D

    ProyekOPSI2023

    zeankundev/boards

    A collection and an archive of KiCad projects I made. Contains projects from 2023 - 2024.

    23 parts1

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Questions

Is there a KiCad symbol and footprint for the PCF8574ATS/3?

Yes. The symbol is Interface_Expansion:PCF8574ATS and the footprint Package_SO:SSOP-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 PCF8574ATS/3?

LSSOP-20-175mil, with 20 pins. Its footprint is drawn on this page.

Where can I order the PCF8574ATS/3?

JLCPCB lists it as part C2803277, with 2 in stock; the sellers' links on this page open their listings.

What can replace the PCF8574ATS/3?

Parts like it in the library: the PCF8574TS/3 by NXP Semiconductors, 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.

Which open-source boards use the PCF8574ATS/3?

10 boards in 9 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8