Overview
The SNJ54LS279AFK is a flip Flop made by Texas Instruments in a LCC-20(8.9x8.9) package with 20 pins. -55℃~+125℃ 22ns@5V,15pF 4.5V~5.5V 400uA 4mA 54LS Series Set and Reset LCC-20(8.9x8.9) Latches ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SNJ54LS279AFK, from EasyEDA) and its footprint (EasyEDA_Cloud:PLCC-20_L9.0-W9.0-P1.27-LS9.9-T, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3827079).
Symbol
Footprint
Order codes
1- SNJ54LS279AFKLCSC C3827079
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | 1R# | Unspecified |
| 3 | 1S1# | Unspecified |
| 4 | 1S2# | Unspecified |
| 5 | 1Q | Unspecified |
| 6 | NC | Unspecified |
| 7 | 2R# | Unspecified |
| 8 | 2S# | Unspecified |
| 9 | 2Q | Unspecified |
| 10 | GND | Unspecified |
| 11 | NC | Unspecified |
| 12 | 3Q | Unspecified |
| 13 | 3R# | Unspecified |
| 14 | 3S1# | Unspecified |
| 15 | 3S2# | Unspecified |
| 16 | NC | Unspecified |
| 17 | 4Q | Unspecified |
| 18 | 4R# | Unspecified |
| 19 | 4S# | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SNJ54LS279AFK?
Yes. The symbol is EasyEDA_Cloud:SNJ54LS279AFK and the footprint EasyEDA_Cloud:PLCC-20_L9.0-W9.0-P1.27-LS9.9-T, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SNJ54LS279AFK?
LCC-20(8.9x8.9), with 20 pins. Its footprint is drawn on this page.
Where is the SNJ54LS279AFK datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SNJ54LS279AFK?
JLCPCB lists it as part C3827079, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SNJ54LS279AFK?
Parts like it in the library: the 54FCT574ATLB by Renesas Electronics, the 54FCT574CTLB by Renesas Electronics, the 5962-9221802M2A by Renesas Electronics and the 5962-8752501M2A by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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