Overview
The SNJ54LS109AFK is a flip Flop made by Texas Instruments with 20 pins. -55℃~+125℃ 1 13ns@5V,15pF 2 25MHz 25ns 4.5V~5.5V 400uA 4mA 54LS Series 5ns 8mA Asynchronous Complementary JK-Type Rising Edge Set and Reset - Flip Flops.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SNJ54LS109AFK, 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 C3826416).
Symbol
Footprint
Parameters
13- Clock Frequency
- 25MHz
- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 4mA
- Function
- Set and Reset
- Hold Time
- 5ns
- Number of Elements
- 2
- Operating Temperature
- -55℃~+125℃
- Propagation Delay
- 13ns@5V,15pF
- Series
- 54LS Series
- Setup Time
- 25ns
- Trigger Type
- Rising Edge
- Type
- JK-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- SNJ54LS109AFKLCSC C3826416
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | 1CLR# | Unspecified |
| 3 | 1J | Unspecified |
| 4 | 1K# | Unspecified |
| 5 | 1CLK | Unspecified |
| 6 | NC | Unspecified |
| 7 | 1PRE# | Unspecified |
| 8 | 1Q | Unspecified |
| 9 | 1Q# | Unspecified |
| 10 | GND | Unspecified |
| 11 | NC | Unspecified |
| 12 | 2Q# | Unspecified |
| 13 | 2Q | Unspecified |
| 14 | 2PRE# | Unspecified |
| 15 | 2CLK | Unspecified |
| 16 | NC | Unspecified |
| 17 | 2K# | Unspecified |
| 18 | 2J | Unspecified |
| 19 | 2CLR# | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the SNJ54LS109AFK?
Yes. The symbol is EasyEDA_Cloud:SNJ54LS109AFK 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.
Where is the SNJ54LS109AFK datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SNJ54LS109AFK?
JLCPCB lists it as part C3826416, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SNJ54LS109AFK?
Parts like it in the library: the 84011012A by Texas Instruments, the 84056012A by Texas Instruments, the 84073012A by Texas Instruments and the JM38510/37103B2A by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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