Overview
The SN74LS123DB is a monostable Multivibrator made by Texas Instruments in a SSOP-16-208mil package with 16 pins. SSOP-16-208mil Monostable Multivibrators ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS123, from KiCad's library) and its footprint (Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 44 are in stock at JLCPCB (part C2868089).
Symbol
Footprint
Parameters
1- Function
- Reset input
Order codes
2- SN74LS123DBRLCSC C2868089
- SN74LS123DBLCSC C3236089
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A | Input |
| 2 | B | Input |
| 3 | Clr | Input |
| 4 | Q | Output |
| 5 | Q | Output |
| 6 | Cext | Input |
| 7 | RCext | Input |
| 8 | GND | Power in |
| 9 | A | Input |
| 10 | B | Input |
| 11 | Clr | Input |
| 12 | Q | Output |
| 13 | Q | Output |
| 14 | Cext | Input |
| 15 | RCext | Input |
| 16 | VCC | Power in |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS123DB" title="SN74LS123DB 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/SN74LS123DB.jpg" alt="SN74LS123DB" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS123DB)Questions
Is there a KiCad symbol and footprint for the SN74LS123DB?
Yes. The symbol is 74xx:74LS123 and the footprint Package_SO:SSOP-16_5.3x6.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS123DB?
SSOP-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where is the SN74LS123DB datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS123DB?
JLCPCB lists it as part C2868089, with 44 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS123DB?
Parts like it in the library: the 74LV123DB by Nexperia, the SN74LV123ADBR by Texas Instruments, the 74HCT123DB118 by Nexperia and the 74HCT4538DB118 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
74LV123DB
SSOP-16-208mil-40℃~+125℃ 160uA 18ns 1V~5.5V 2 74LV Monostable Reset input、Adjustable pulse width、Retriggerable function Schmitt trigger SSOP-16-208mil Monostable Multivibrators ROHSNexperiaMonostable MultivibratorsSN74LV123ADBR
SSOP-16-208mil-40℃~+125℃ 12mA 12mA 13ns 2 2V~5.5V 74LV Monostable Reset input、Adjustable pulse width、Retriggerable function Schmitt trigger SSOP-16-208mil Monostable Multivibrators ROHSTexas InstrumentsMonostable Multivibrators74HCT123DB118
SSOP-16-40℃~+125℃ 2 4.5V~5.5V 4mA 4mA 74HCT 77ns Monostable Schmitt trigger SSOP-16 Monostable Multivibrators ROHSNexperiaMonostable Multivibrators74HCT4538DB118
SSOP-16-40℃~+125℃ 2 35ns 4.5V~5.5V 4mA 4mA 74HCT Monostable SSOP-16 Monostable Multivibrators ROHSNexperiaMonostable Multivibrators74HC221DB112
SSOP-16SSOP-16 Monostable MultivibratorsNXP SemiconductorsMonostable Multivibrators74HC4538DB
SSOP-16SSOP-16 Monostable Multivibrators ROHSNXP SemiconductorsMonostable MultivibratorsSN74AHC123ADB
SSOP-16-208mil-40℃~+85℃ 2 2V~5.5V 40uA 7.5ns 74AHC 8mA 8mA Monostable Reset input、Adjustable pulse width、Retriggerable function Schmitt trigger SSOP-16-208mil Monostable Multivibrators ROHSTexas InstrumentsMonostable MultivibratorsSN74AHCT123ADB
SSOP-16-208milSSOP-16-208mil Monostable Multivibrators ROHSTexas InstrumentsMonostable Multivibrators