Overview
The SN74LS73AD is a flip Flop made by Texas Instruments in a SOIC-14 package with 14 pins. 0ns 0℃~+70℃ 1 2 20ns 20ns@5V,15pF 4.75V~5.25V 400uA 45MHz 6mA 74LS Series 8mA Asynchronous Complementary Falling Edge JK-Type Reset SOIC-14 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS73, 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. 20 are in stock at JLCPCB (part C2677794).
Symbol
Footprint
Parameters
17- Clock Frequency
- 45MHz
- Current - Output High(IOH)
- 400uA
- Current - Output Low(IOL)
- 8mA
- Function
- Reset
- Hold Time
- 0ns
- Number of Bits per Element
- 1
- Number of Elements
- 2
- Operating Temperature
- 0℃~+70℃
- Output Type
- Complementary
- Propagation Delay
- 20ns@5V,15pF
- Quiescent Current
- 6mA
- Series
- 74LS Series
- Setup Time
- 20ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Falling Edge
- Type
- JK-Type
- Voltage - Supply
- 4.75V~5.25V
Order codes
3- SN74LS73ADRLCSC C2677794
- SN74LS73ADRG4LCSC C2677958
- SN74LS73ADLCSC C2871514
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | C | Input |
| 2 | R | Input |
| 3 | K | Input |
| 4 | VCC | Power in |
| 5 | C | Input |
| 6 | R | Input |
| 7 | J | Input |
| 8 | Q | Output |
| 9 | Q | Output |
| 10 | K | Input |
| 11 | GND | Power in |
| 12 | Q | Output |
| 13 | Q | Output |
| 14 | J | Input |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS73AD" title="SN74LS73AD in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/SN74LS73AD.jpg" alt="SN74LS73AD" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS73AD)Questions
Is there a KiCad symbol and footprint for the SN74LS73AD?
Yes. The symbol is 74xx:74LS73 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 SN74LS73AD?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the SN74LS73AD datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS73AD?
JLCPCB lists it as part C2677794, with 20 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS73AD?
Parts like it in the library: the SN74LS107AD by Texas Instruments, the CD40174BM(LX) by lingxingic, the CD40175BE(LX) by lingxingic and the CD40175BM(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
SN74LS107AD
SOIC-140℃~+70℃ 1 2 20ns@5V,15pF 4.75V~5.25V 400uA 45MHz 6mA 74LS Series 8mA Complementary Falling Edge JK-Type Reset SOIC-14 Flip Flops ROHSTexas InstrumentsFlip Flops
CD40174BM(LX)
SOP-16Flip Flopslingxingic
CD40175BE(LX)
DIP-16-40℃~+125℃ 0ns 1 1.4mA 1.65mA 30uA 3V~15V 4 4000 Series 45MHz 45ns@15V,50pF 5ns Complementary D-Type Reset Rising Edge DIP-16 Flip Flops ROHSlingxingicFlip FlopsCD40175BM(LX)
SOP-16Flip Flopslingxingic
SN74LS107AN
PDIP-140℃~+70℃ 1 2 20ns@5V,15pF 4.75V~5.25V 400uA 45MHz 6mA 74LS Series 8mA Complementary type Falling Edge JK-Type Reset PDIP-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74LS112AD
SOIC-160℃~+70℃ 1 2 20ns 20ns@5V,15pF 4.75V~5.25V 400uA 45MHz 6mA 74LS Series 8mA Asynchronous Falling Edge JK-Type Set and Reset SOIC-16 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74LS73AN
PDIP-140℃~+70℃ 1 2 20ns@5V,45pF 4.75V~5.25V 400uA 45MHz 6mA 74LS Series 8mA Complementary Falling Edge JK-Type Reset PDIP-14 Flip Flops ROHSTexas InstrumentsFlip FlopsHD74LS76AP
DIP-16-20℃~+75℃ 0ns 15ns@5V,15pF 2 20ns 4.75V~5.25V 400uA 45MHz 6mA 74LS Series 8mA Asynchronous JK-Type Rising Edge Set and Reset DIP-16 Flip Flops ROHSRenesas ElectronicsFlip Flops