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PCA9555D

Interface_Expansion

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

Symbol

24 pins
Schematic symbol for PCA9555D
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

24 pads
Footprint for PCA9555D
Library
Package_SO
Mount
smd
Courtyard
11.86 × 15.9 mm
Link
exact
Footprint page
Open →

3D model

STEP

Package_SO_SOIC-24W_7.5x15.4mm_P1.27mm

10.30 × 15.40 × 2.75 mm

314 KB STEP

Library
Package_SO_SOIC-24W_7.5x15.4mm
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

1 placed it by name in a schematic; 19 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