PCF8574T

Interface_Expansion

8-bit I/O Expander, I2C interface, interrupt output, fixed address bits 0b0100xxx, SOIC-16

Symbol

16 pins
Schematic symbol for PCF8574T
Units
1
Kind
part
Grid
on 1.27 mm
Extends
TCA9534

Footprint

16 pads
Footprint for PCF8574T
Library
Package_SO
Mount
smd
Courtyard
11.86 × 10.8 mm
Link
exact

3D model

STEP

Package_SO_SOIC-16W_7.5x10.3mm_P1.27mm

10.30 × 10.30 × 2.75 mm

218 KB STEP

Library
Package_SO_SOIC-16W_7.5x10.3mm
Link
exact

Pins and pads

Every pin on the symbol has a pad on the footprint.

PinNameTypePad
1A0input1
2A1input2
3A2input3
4P0bidirectional4
5P1bidirectional5
6P2bidirectional6
7P3bidirectional7
8GNDpower_in8
9P4bidirectional9
10P5bidirectional10
11P6bidirectional11
12P7bidirectional12
13~{INT}open_collector13
14SCLinput14
15SDAbidirectional15
16VDDpower_in16

Provenance

Credit
KiCad Libraries Contributors
Licence
CC-BY-SA-4.0-with-KiCad-exception
Link method
exact
Cross-check
passed
PCF8574T — Interface_Expansion | Trace Catalog