74LS20

74xx

Dual 4-input NAND

Symbol

12 pins

Schematic symbol for 74LS20

Units: 3
Kind: part
Grid: on 1.27 mm

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.

Pin	Name	Type
1	—	input
2	—	input
4	—	input
5	—	input
6	—	output
7	GND	power_in
8	—	output
9	—	input
10	—	input
12	—	input
13	—	input
14	VCC	power_in

On real boards

20+ designs use this part

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

IBM PCjrSchematic · 335 parts · 18 sheetsby name
The Fairyland StorySchematic · 113 parts · 1 sheetby name
02 TimingsSchematic · 87 parts · 1 sheetby name
EDUC8Schematic · 78 parts · 1 sheetby name
Dragon32Issue2Schematic · 77 parts · 1 sheetby name
TSAL GREENSchematic · 73 parts · 1 sheetby name
Program counter and adderSchematic · 69 parts · 1 sheetby name
Cow PiSchematic · 65 parts · 1 sheetby name
Hobby 8088 PCSchematic · 60 parts · 1 sheetby name
IMKO-4Schematic · 58 parts · 1 sheetby name
06Schematic · 56 parts · 1 sheetby name
HEC Model Z1Schematic · 53 parts · 1 sheetby name
Address Decode LogicSchematic · 51 parts · 1 sheetby name
03 DRAM DriverSchematic · 51 parts · 1 sheetby name
Data General NovaSchematic · 49 parts · 1 sheetby name
SORD m5 Memory Mapper (+SD)Schematic · 45 parts · 1 sheetby name
CoBraSchematic · 31 parts · 1 sheetby name
k30 SBCSchematic · 31 parts · 1 sheetby name
Super Searle Tranter Board V2.1Schematic · 27 parts · 1 sheetby name
Quadrature Rotary EncoderSchematic · 27 parts · 1 sheetby name

Provenance

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