Overview
The SN74LS279ANS is a latche made by Texas Instruments in a SO-16-208mil package with 16 pins. 0.4mA 0℃~+70℃ 22ns 4 4.75V~5.25V 74LS 8mA SR Latch SO-16-208mil Latches ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS279, from KiCad's library) and its footprint (EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2878772).
Symbol
Footprint
Parameters
9- Current - Output High(IOH)
- 0.4mA
- Current - Output Low(IOL)
- 8mA
- Logic Type
- SR Latch
- Number of Channels
- 4
- Operating Temperature
- 0℃~+70℃
- Propagation Delay
- 22ns
- Quiescent Current (Iq)
- 7mA
- Series
- 74LS
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- SN74LS279ANSRLCSC C2878772
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | R | Input |
| 2 | S | Input |
| 3 | S | Input |
| 4 | Q | Output |
| 5 | R | Input |
| 6 | S | Input |
| 7 | Q | Output |
| 8 | GND | Power in |
| 9 | Q | Output |
| 10 | R | Input |
| 11 | S | Input |
| 12 | S | Input |
| 13 | Q | Output |
| 14 | R | Input |
| 15 | S | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74LS279ANS?
Yes. The symbol is 74xx:74LS279 and the footprint EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS279ANS?
SO-16-208mil, with 16 pins. Its footprint is drawn on this page.
Where is the SN74LS279ANS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS279ANS?
JLCPCB lists it as part C2878772, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS279ANS?
Parts like it in the library: the CD4043BNS by Texas Instruments and the SN74LS375NS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
