PCA9555PW

Interface_Expansion

IO expander 16 GPIO, I2C 400kHz, Interrupt, 2.3 - 5.5V, TSSOP-24

Symbol

24 pins
Schematic symbol for PCA9555PW
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

24 pads
Footprint for PCA9555PW
Library
Package_SO
Mount
smd
Courtyard
7.7 × 8.3 mm
Link
exact
Footprint page
Open →

3D model

STEP

Package_SO_TSSOP-24_4.4x7.8mm_P0.65mm

6.40 × 7.80 × 0.97 mm

315 KB STEP

Library
Package_SO_TSSOP-24_4.4x7.8mm
Link
exact
Model page
Open →

Pins and pads

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

PinNameTypePad
1~{INT}open_collector1
2A1input2
3A2input3
4IO0_0bidirectional4
5IO0_1bidirectional5
6IO0_2bidirectional6
7IO0_3bidirectional7
8IO0_4bidirectional8
9IO0_5bidirectional9
10IO0_6bidirectional10
11IO0_7bidirectional11
12VSSpower_in12
13IO1_0bidirectional13
14IO1_1bidirectional14
15IO1_2bidirectional15
16IO1_3bidirectional16
17IO1_4bidirectional17
18IO1_5bidirectional18
19IO1_6bidirectional19
20IO1_7bidirectional20
21A0input21
22SCLinput22
23SDAbidirectional23
24VDDpower_in24

On real boards

20+ designs use this part

6 placed it by name in a schematic; 14 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.

Provenance

Credit
KiCad Libraries Contributors
Licence
CC-BY-SA-4.0-with-KiCad-exception
Link method
exact
Cross-check
passed