Overview
The SN74LS74ADE4 is a flip Flop made by Texas Instruments in a SOIC-14 package with 14 pins. 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 74LS Series 8mA 8mA Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS74, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1549990).
Symbol
Footprint
Parameters
11- Clock Frequency
- 33MHz
- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 8mA
- Function
- Set and Reset
- Output Type
- Complementary
- Propagation Delay
- 40ns@5V,15pF
- Quiescent Current
- 8mA
- Series
- 74LS Series
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- SN74LS74ADE4LCSC C1549990
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 SN74LS74ADE4?
Yes. The symbol is 74xx:74LS74 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS74ADE4?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the SN74LS74ADE4 datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS74ADE4?
JLCPCB lists it as part C1549990, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS74ADE4?
Parts like it in the library: the SN74LS74AD by Texas Instruments, the SN74LS74AN by Texas Instruments, the RS175XTSS16 by Jiangsu RUNIC Tech and the MM74HCT574MTCX by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
SN74LS74AD
SOIC-140℃~+70℃ 1 2 20ns 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSTexas InstrumentsFlip Flops
SN74LS74AN
PDIP-140℃~+70℃ 1 2 20ns 25ns@2.5V,15pF 33MHz 4.75V~5.25V 400uA 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset PDIP-14 Flip Flops ROHSTexas InstrumentsFlip Flops
RS175XTSS16
TSSOP-16-40℃~+125℃ 1 1.65V~5.5V 1.8ns 33MHz 4 4pF 5.2mA 5.2mA 7.5ns@5.5V,50pF 8ns 8uA Asynchronous Complementary type D-Type Reset Rising Edge TSSOP-16 Flip Flops ROHSJiangsu RUNIC TechFlip Flops
MM74HCT574MTCX
TSSOP-20-40℃~+85℃ 1 10pF 30ns@5V,50pF 33MHz 4.5V~5.5V 7.2mA 7.2mA 74HCT Series 8 8uA D-Type Rising Edge TSSOP-20 Flip Flops ROHSonsemiFlip Flops
SN74LS74ANSR
SOP-14-208mil0℃~+70℃ 1 2 20ns 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset SOP-14-208mil Flip Flops ROHSTexas InstrumentsFlip Flops
SN74LS109AN
PDIP-160℃~+70℃ 1 2 25ns、35ns 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 5ns 74LS Series 8mA 8mA Asynchronous JK-Type Rising Edge Set and Reset PDIP-16 Flip Flops ROHSTexas InstrumentsFlip Flops
SN74LS109AD
SOIC-160℃~+70℃ 1 2 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 74LS Series 8mA 8mA Complementary type JK-Type Rising Edge Set and Reset SOIC-16 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74LS109ANE4
PDIP-160℃~+70℃ 1 2 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 74LS Series 8mA 8mA Complementary JK-Type Rising Edge Set and Reset PDIP-16 Flip Flops ROHSTexas InstrumentsFlip Flops