74LS27

74xx

Triple 3-input NOR

Symbol

14 pins

Schematic symbol for 74LS27

Units: 4
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
3	—	input
4	—	input
5	—	input
6	—	output
7	GND	power_in
8	—	output
9	—	input
10	—	input
11	—	input
12	—	output
13	—	input
14	VCC	power_in

On real boards

9 designs use this part

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

ЮТ-88Schematic · 127 parts · 2 sheetsby name
Memotron 256Schematic · 56 parts · 1 sheetby name
HEC Model Z1Schematic · 53 parts · 1 sheetby name
6502 Framebuffer: PowerSchematic · 50 parts · 1 sheetby name
DIY8bitSchematic · 40 parts · 1 sheetby name
EGACardSchematic · 37 parts · 1 sheetby name
Ja Sys09Schematic · 35 parts · 1 sheetby name
Y Ddraig FachSchematic · 29 parts · 1 sheetby name
Fr Junior Computer ReplicaSchematic · 28 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