
SN74LS279AN
Texas InstrumentsExtended
0℃~+70℃ 12ns 4 4.75V~5.25V 400uA 74LS 8mA SR Latch PDIP-16 Latches ROHS
- Part id
- ti/SN74LS279AN
- Category
- Latches
- Package
- PDIP-16
- Pins
- 16
- In stock
- 8 at JLCPCB (C133941)
- Used on
- 5 open-source boards
Overview
The SN74LS279AN is a latche made by Texas Instruments in a PDIP-16 package with 16 pins. 0℃~+70℃ 12ns 4 4.75V~5.25V 400uA 74LS 8mA SR Latch PDIP-16 Latches ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS279, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. 8 are in stock at JLCPCB (part C133941). 5 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
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 |
Open-source boards using it
5- 4 layers170 × 181 mm

- 2 layers630 × 300 mm

- 2 layers165.1 × 114.3 mm

ACE COLOUR2
flypie/Ace-2019
Reimplimentation of the Jupiter ACE with slightly more modern hardware. https://www.jupiter-ace.co.uk/ the KiCad versions are the up to date designs which are available at https://jupiterdeuce.blogspot.com and…
95 parts13GPL-3.0 - 2 layers100 × 100 mm

ChargingPCB26
LSUTigerRacing/Electronics
This repository contains all of the KiCad Schematics for the 2026 TigerRacing Formula SAE's Electronics Subsystem.
61 parts8 - 2 layers
/ChargingPCB26(THT).kicad_pcb.jpg?size=s&soon)
ChargingPCB26(THT)
LSUTigerRacing/Electronics
This repository contains all of the KiCad Schematics for the 2026 TigerRacing Formula SAE's Electronics Subsystem.
46 parts8
Parts like it
8SN74LS259N(XBLW)
DIP-16-20℃~+85℃ 0ns、2ns 17ns 2V~6V 74LS 7ns 8 8uA Addressable Latch DIP-16 Latches ROHSXBLWLatchesSN74LS279AN(LX)
DIP-16-40℃~+125℃ 2V~6V 33ns 4 4uA 5.2mA 5.2mA 74LS SR Latch DIP-16 Latches ROHSlingxingicLatchesCD4043BE(LX)
DIP-16-40℃~+125℃ 25ns 3V~15V 3mA 3mA 4 4000 80uA SR Latch Tri-State DIP-16 Latches ROHSlingxingicLatchesSN74HC279AN(LX)
DIP-16-40℃~+125℃ 2V~6V 2uA 33ns 4 74HC SR Latch DIP-16 Latches ROHSlingxingicLatchesSN74LS259N(LX)
DIP-16DIP-16 Latches ROHSlingxingicLatchesCD4043BE(XBLW)
DIP-16-40℃~+85℃ 1.1mA 35ns 3V~15V 3mA 4 600uA CD40 SR Latch Tri-State DIP-16 Latches ROHSXBLWLatchesSN74HC259N(XBLW)
DIP-16-40℃~+125℃ 0ns 160uA 17ns 2V~6V 5.2mA 6ns 7.8mA 74HC 8 Addressable Latch DIP-16 Latches ROHSXBLWLatchesXD74LS75
DIP-160℃~+70℃ 20ns 27ns 4 4.75V~5.25V 5ns 74LS Complementary D Latch DIP-16 Latches ROHSXINLUDALatches
Questions
Is there a KiCad symbol and footprint for the SN74LS279AN?
Yes. The symbol is 74xx:74LS279 and the footprint Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS279AN?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN74LS279AN datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS279AN?
JLCPCB lists it as part C133941, with 8 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS279AN?
Parts like it in the library: the SN74LS259N(XBLW) by XBLW, the SN74LS279AN(LX) by lingxingic, the CD4043BE(LX) by lingxingic and the SN74HC279AN(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SN74LS279AN?
5 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.