82C54_PLCC

Timer

CHMOS Programmable Interval Timer, PLCC-28

Symbol

28 pins
Schematic symbol for 82C54_PLCC
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

28 pads
Footprint for 82C54_PLCC
Library
Package_LCC
Mount
smd
Courtyard
13.5 × 13.5 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
1NCno_connect1
2D7bidirectional2
3D6bidirectional3
4D5bidirectional4
5D4bidirectional5
6D3bidirectional6
7D2bidirectional7
8D1bidirectional8
9D0bidirectional9
10CLK0input10
11NCno_connect11
12OUT0output12
13G0input13
14GNDpower_in14
15NCno_connect15
16OUT1output16
17G1input17
18CLK1input18
19G2input19
20OUT2output20
21CLK2input21
22A0input22
23A1input23
24~{CS}input24
25NCno_connect25
26~{RD}input26
27~{WR}input27
28VCCpower_in28

On real boards

4 designs use this part

1 placed it by name in a schematic; 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