PCA9557BS

Interface_Expansion

8-bit I2C-bus and SMBus I/O port with reset, HVQFN-16

Symbol

16 pins
Schematic symbol for PCA9557BS
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

17 pads
Footprint for PCA9557BS
Library
Package_DFN_QFN
Mount
smd
Courtyard
4.26 × 4.26 mm
Link
exact
Footprint page
Open →

3D model

none
no 3D model

The footprint references no model, or the referenced model is not in the upstream package set.

Pins and pads

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

PinNameTypePad
1A0input1
2A1input2
3A2input3
4IO0bidirectional4
5IO1bidirectional5
6VSSpower_in6
7IO2bidirectional7
8IO3bidirectional8
9IO4bidirectional9
10IO5bidirectional10
11IO6bidirectional11
12IO7bidirectional12
13~{RESET}input13
14VDDpower_in14
15SCLinput15
16SDAbidirectional16

On real boards

3 designs use this part

3 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

What the linker recorded

  • 1 pad(s) with no matching symbol pin (thermal/mechanical): 17