
Overview
The DM74LS74ASJX is a flip Flop made by onsemi in a SOIC-14-208mil package with 14 pins. 0ns 0℃~+70℃ 1 2 20MHz 20ns、25ns 35ns@5V,50pF 4.75V~5.25V 400uA 74LS Series 8mA 8mA Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14-208mil Flip Flops.
PCBKit's library has its KiCad symbol (74xx:74LS74, from KiCad's library) and its footprint (EasyEDA_Cloud:SOP-14_L10.2-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3827154).
Symbol
Footprint
Parameters
17- Clock Frequency
- 20MHz
- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 8mA
- Function
- Set and Reset
- Hold Time
- 0ns
- Number of Bits per Element
- 1
- Number of Elements
- 2
- Operating Temperature
- 0℃~+70℃
- Output Type
- Complementary type
- Propagation Delay
- 35ns@5V,50pF
- Quiescent Current
- 8mA
- Series
- 74LS Series
- Setup Time
- 20ns;25ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- DM74LS74ASJXLCSC C3827154
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | R | Input |
| 2 | D | Input |
| 3 | C | Input |
| 4 | S | Input |
| 5 | Q | Output |
| 6 | Q | Output |
| 7 | GND | Power in |
| 8 | Q | Output |
| 9 | Q | Output |
| 10 | S | Input |
| 11 | C | Input |
| 12 | D | Input |
| 13 | R | Input |
| 14 | VCC | Power in |
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Is there a KiCad symbol and footprint for the DM74LS74ASJX?
Yes. The symbol is 74xx:74LS74 and the footprint EasyEDA_Cloud:SOP-14_L10.2-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the DM74LS74ASJX?
SOIC-14-208mil, with 14 pins. Its footprint is drawn on this page.
Where is the DM74LS74ASJX datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the DM74LS74ASJX?
JLCPCB lists it as part C3827154, with 0 in stock; the sellers' links on this page open their listings.
What can replace the DM74LS74ASJX?
Parts like it in the library: the DM74LS74ASJ by onsemi, the 74LVC2G74DP,125-JSM by JSMSEMI, the TC4013BF(EL,N,F) by Toshiba and the TC4013BP(N,F) by Toshiba. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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