Overview
The SN74LS74ANS is a flip Flop made by Texas Instruments with 14 pins. 0℃~+70℃ 1 2 20MHz 4.5V~5.5V 400uA 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset - Flip Flops.
PCBKit's library has its KiCad symbol (74xx:74LS74, from KiCad's library) and its footprint (EasyEDA_Cloud:SOIC-14_L10.0-W5.5-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C5755858).
Symbol
Footprint
Parameters
14- Clock Frequency
- 20MHz
- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 8mA
- Function
- Set and Reset
- Number of Bits per Element
- 1
- Number of Elements
- 2
- Operating Temperature
- 0℃~+70℃
- Output Type
- Complementary type
- Quiescent Current
- 8mA
- Series
- 74LS Series
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- SN74LS74ANSLCSC C5755858
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 SN74LS74ANS?
Yes. The symbol is 74xx:74LS74 and the footprint EasyEDA_Cloud:SOIC-14_L10.0-W5.5-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the SN74LS74ANS datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS74ANS?
JLCPCB lists it as part C5755858, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS74ANS?
Parts like it in the library: the 74LVC2G74DP,125-JSM by JSMSEMI, the TC4013BF(EL,N,F) by Toshiba, the TC4013BP(N,F) by Toshiba and the CD74HC73M(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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