component
SN74HC123N
Public Made by Adomby adom
lingxingic Monostable Multivibrators, DIP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74HC123N
lingxingic · Monostable Multivibrators · DIP-16
SN74HC123N from lingxingic, in a DIP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1A, | input | Falling edge trigger input for monostable 1, active low |
| 2 | 1B | input | Rising edge trigger input for monostable 1 |
| 3 | 1RD, | input | Direct reset input (active low) and rising edge trigger input for monostable 1 |
| 4 | 1Q, | output | Monostable 1 complementary output (low level), active low |
| 5 | 2Q | output | Monostable 2 output (high level) |
| 6 | 2CEXT | passive | External capacitor connection for monostable 2 timing control |
| 7 | 2REXT/CEXT | passive | External resistor and capacitor connection for monostable 2 timing control |
| 8 | GND | power_in | Ground reference (0V) |
| 9 | 2A, | input | Falling edge trigger input for monostable 2, active low |
| 10 | 2B | input | Rising edge trigger input for monostable 2 |
| 11 | 2RD, | input | Direct reset input (active low) and rising edge trigger input for monostable 2 |
| 12 | 2Q, | output | Monostable 2 complementary output (low level), active low |
| 13 | 1Q | output | Monostable 1 output (high level) |
| 14 | 1CEXT | passive | External capacitor connection for monostable 1 timing control |
| 15 | 1REXT/CEXT | passive | External resistor and capacitor connection for monostable 1 timing control |
| 16 | VCC | power_in | Supply voltage, 2.0V to 6.0V recommended operating range |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | lingxingic |
| Package | DIP-16 |
| Category | Logic |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SN74HC123N - Footprint:
Package_DIP:DIP-16_W7.62mm - 3D model: DIP-16 (KiCad packages3D, STEP)
- 3D model files:
sn74hc123n-etched.step/sn74hc123n-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74hc123n.step/sn74hc123n.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: lingxingic datasheet (27 pp, sha256
4c319fa4eeb6aac0, retrieved 2026-09-17, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).