74LS191

74xx

4-bit Synchronous Up/Down binary Counter

Symbol

16 pins
Schematic symbol for 74LS191
Units
1
Kind
part
Grid
on 1.27 mm
Extends
74LS190

Footprint

none
no footprint linked

This symbol carries no usable footprint reference, so nothing is linked. Generating one is a better answer than guessing.

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

No footprint is linked, so there is nothing to cross-check.

PinNameType
1P1input
2Q1output
3Q0output
4Ceinput
5D/Uinput
6Q2output
7Q3output
8GNDpower_in
9P3input
10P2input
11Plinput
12Tcoutput
13Rcoutput
14Cpinput
15P0input
16VCCpower_in

On real boards

4 designs use this part

4 placed it by name in a schematic. Largest first.

Provenance

Credit
KiCad Libraries Contributors
Licence
CC-BY-SA-4.0-with-KiCad-exception
Link method
none
Cross-check
not confirmed