
Overview
The 74F109SC is a flip Flop made by onsemi in a SOIC-16 package with 16 pins. 0ns 0℃~+70℃ 1 125MHz 17mA 1mA 2 20mA 4.5V~5.5V 5.5ns 74F Series 8ns@5V,50pF Asynchronous Complementary JK-Type Rising Edge Set and Reset SOIC-16 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS109, from KiCad's library) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3827250).
Symbol
Footprint
Parameters
17- Clock Frequency
- 125MHz
- Current - Output High(IOH)
- 1mA
- Current - Output Low(IOL)
- 20mA
- Function
- Set and Reset
- Hold Time
- 0ns
- Number of Bits per Element
- 1
- Number of Elements
- 2
- Operating Temperature
- 0℃~+70℃
- Output Type
- Complementary
- Propagation Delay
- 8ns@5V,50pF
- Quiescent Current
- 17mA
- Series
- 74F Series
- Setup Time
- 5.5ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- JK-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- 74F109SCLCSC C3827250
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | R | Input |
| 2 | J | Input |
| 3 | K | Input |
| 4 | C | Input |
| 5 | S | Input |
| 6 | Q | Output |
| 7 | Q | Output |
| 8 | GND | Power in |
| 9 | Q | Output |
| 10 | Q | Output |
| 11 | S | Input |
| 12 | C | Input |
| 13 | K | Input |
| 14 | J | Input |
| 15 | R | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the 74F109SC?
Yes. The symbol is 74xx:74LS109 and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74F109SC?
SOIC-16, with 16 pins. Its footprint is drawn on this page.
Where is the 74F109SC datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74F109SC?
JLCPCB lists it as part C3827250, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74F109SC?
Parts like it in the library: the SN74S112AD by Texas Instruments, the CD74ACT374M96 by Texas Instruments, the SN74AC74NSR by Texas Instruments and the SN74ABT821ADW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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