
Overview
The SN74LS423NS is a monostable Multivibrator made by Texas Instruments in a SO-16-208mil package with 16 pins. SO-16-208mil Monostable Multivibrators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SNJ54LS123J, from EasyEDA) and its footprint (EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL-1, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2871724).
Symbol
Footprint
Order codes
1- SN74LS423NSRLCSC C2871724
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | 1A | Unspecified |
| 2 | 1B | Unspecified |
| 3 | 1CLR# | Unspecified |
| 4 | 1Q# | Unspecified |
| 5 | 2Q | Unspecified |
| 6 | 2CEXT | Unspecified |
| 7 | 2REXT/CEXT | Unspecified |
| 8 | GND | Unspecified |
| 9 | 2A | Unspecified |
| 10 | 2B | Unspecified |
| 11 | 2CLR# | Unspecified |
| 12 | 2Q# | Unspecified |
| 13 | 1Q | Unspecified |
| 14 | 1CEXT | Unspecified |
| 15 | 1REXT/CEXT | Unspecified |
| 16 | VCC | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS423NS" title="SN74LS423NS in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/SN74LS423NS.jpg" alt="SN74LS423NS" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS423NS)Questions
Is there a KiCad symbol and footprint for the SN74LS423NS?
Yes. The symbol is EasyEDA_Cloud:SNJ54LS123J and the footprint EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL-1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS423NS?
SO-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where is the SN74LS423NS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS423NS?
JLCPCB lists it as part C2871724, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS423NS?
Parts like it in the library: the CD14538BNS by Texas Instruments, the CD74HC423NS by Texas Instruments and the SN74LV221ANS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
3CD14538BNS
SO-16-208mil-55℃~+125℃ 100ns 2 20uA 3V~18V 4000B 6.8mA 6.8mA Complementary type Monostable Schmitt trigger SO-16-208mil Monostable Multivibrators ROHSTexas InstrumentsMonostable MultivibratorsCD74HC423NS
SO-16-208mil-55℃~+125℃ 2 25ns 2V~6V 5.2mA 5.2mA 74HC Monostable Reset input、Adjustable pulse width、Dual edge triggering、Retriggerable function SO-16-208mil Monostable Multivibrators ROHSTexas InstrumentsMonostable MultivibratorsSN74LV221ANS
SO-16-208milSO-16-208mil Monostable Multivibrators ROHSTexas InstrumentsMonostable Multivibrators