74LS121

74xx

monostable multivibrator with Schmitt-trigger inputs

monostable

Symbol

10 pins

Schematic symbol for 74LS121

Units: 1
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	~{Q}	output
3	A1	input
4	A2	input
5	B	input
6	Q	output
7	GND	power_in
9	Rint	input
10	Cext	input
11	R/Cext	input
14	VCC	power_in

On real boards

7 designs use this part

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

SintetizadorGuidoStolfiSchematic · 59 parts · 1 sheetby name
Dino v0.0.2Schematic · 41 parts · 1 sheetby name
Dino v0.0.2Schematic · 31 parts · 1 sheetby name
GDPico64Schematic · 30 parts · 1 sheetby name
Dino v0.0.2Schematic · 28 parts · 1 sheetby name
Z80protoSchematic · 21 parts · 1 sheetby name
Dino v0.0.2Schematic · 16 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