
Overview
The CD74AC109E is a flip Flop made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 0ns 1 1.5V~5.5V 10.3ns@5V,50pF 100MHz 10pF 2 24mA 24mA 4uA 5.5ns 74AC Series Asynchronous Complementary JK-Type Rising Edge Set and Reset PDIP-16 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS109, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1549858).
Symbol
Footprint
Parameters
18- Clock Frequency
- 100MHz
- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Function
- Set and Reset
- Hold Time
- 0ns
- Input Capacitance
- 10pF
- Number of Bits per Element
- 1
- Number of Elements
- 2
- Operating Temperature
- -55℃~+125℃
- Output Type
- Complementary
- Propagation Delay
- 10.3ns@5V,50pF
- Quiescent Current
- 4uA
- Series
- 74AC Series
- Setup Time
- 5.5ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- JK-Type
- Voltage - Supply
- 1.5V~5.5V
Order codes
1- CD74AC109ELCSC C1549858
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 CD74AC109E?
Yes. The symbol is 74xx:74LS109 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 CD74AC109E?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the CD74AC109E datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74AC109E?
JLCPCB lists it as part C1549858, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74AC109E?
Parts like it in the library: the CD74AC112E by Texas Instruments, the CD74ACT109E by Texas Instruments, the SN74AS174N by Texas Instruments and the SN74AS175BN by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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