
Overview
The SN74LS173AD is a flip Flop made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+70℃ 1 2.6mA 24mA 24mA 30ns@5V,45pF 4 4.75V~5.25V 50MHz 74LS Series D-Type Reset Rising Edge SOIC-16 Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS173, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1550098).
Symbol
Footprint
Parameters
17- Clock Frequency
- 50MHz
- Current - Output High(IOH)
- 2.6mA
- Current - Output Low(IOL)
- 24mA
- Function
- Reset
- Hold Time
- 3ns
- Number of Bits per Element
- 4
- Number of Elements
- 1
- Operating Temperature
- 0℃~+70℃
- Output Type
- Tri-State
- Propagation Delay
- 30ns@5V,45pF
- Quiescent Current
- 24mA
- Series
- 74LS Series
- Setup Time
- 17ns
- Synchronous/Asynchronous
- Asynchronous
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- SN74LS173ADLCSC C1550098
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | Oe1 | Input |
| 2 | Oe2 | Input |
| 3 | Q0 | Tri-state |
| 4 | Q1 | Tri-state |
| 5 | Q2 | Tri-state |
| 6 | Q3 | Tri-state |
| 7 | Cp | Input |
| 8 | GND | Power in |
| 9 | E1 | Input |
| 10 | E2 | Input |
| 11 | D3 | Input |
| 12 | D2 | Input |
| 13 | D1 | Input |
| 14 | D0 | Input |
| 15 | Mr | Input |
| 16 | VCC | Power in |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS173AD" title="SN74LS173AD 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/SN74LS173AD.jpg" alt="SN74LS173AD" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS173AD)Questions
Is there a KiCad symbol and footprint for the SN74LS173AD?
Yes. The symbol is 74xx:74LS173 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74LS173AD?
SOIC-16, with 16 pins. Its footprint is drawn on this page.
Where is the SN74LS173AD datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS173AD?
JLCPCB lists it as part C1550098, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS173AD?
Parts like it in the library: the SN74HC174D by Texas Instruments, the SN74ALS175DR by Texas Instruments, the SN74ALS174D by Texas Instruments and the SN74HC174PW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8SN74HC174D
SOIC-16-40℃~+85℃ 0ns 1 14ns@6V,50pF 21ns 2V~6V 3pF 5.2mA 5.2mA 50MHz 6 74HC Series 8uA D-Type Reset Rising Edge SOIC-16 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74ALS175DR
SOIC-160ns 0℃~+70℃ 1 10ns 14mA 17ns@5V,50pF 4 4.5V~5.5V 400uA 50MHz 74ALS Series 8mA Complementary D-Type Reset Rising Edge SOIC-16 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74ALS174D
SOIC-160℃~+70℃ 1 17ns@5V,50pF 19mA 4.5V~5.5V 400uA 50MHz 6 74ALS Series 8mA D-Type Reset Rising Edge SOIC-16 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74HC174PW
TSSOP-16-40℃~+85℃ 0ns 1 21ns 27ns@6V,50pF 2V~6V 3pF 5.2mA 5.2mA 50MHz 6 74HC Series 8uA Asynchronous D-Type Reset Rising Edge TSSOP-16 Flip Flops ROHSTexas InstrumentsFlip FlopsCD74HCT377M96
SOIC-20-300mil-55℃~+125℃ 10pF 12ns 38ns@4.5V,50pF 3ns 4.5V~5.5V 4mA 4mA 50MHz 74HCT Series 8 8 8uA D-Type Enable Rising Edge SOIC-20-300mil Flip Flops ROHSTexas InstrumentsFlip FlopsCD74HC74M96
SOIC-14-55℃~+125℃ 1 10pF 12ns 2 2V~6V 30ns@6V,50pF 3ns 4uA 5.2mA 5.2mA 50MHz 74HC Series Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74LS374DB
SSOP-20-208mil0℃~+70℃ 1 2.6mA 24mA 28ns@5V,45pF 4.75V~5.25V 40mA 50MHz 74LS Series 8 D-Type Rising Edge SSOP-20-208mil Latches ROHSTexas InstrumentsFlip FlopsSN74LS374NSR
SOIC-20-208mil0ns 0℃~+70℃ 1 2.6mA 20ns 24mA 28ns@5V,45pF 4.75V~5.25V 50MHz 74LS Series 8 D-Type Rising Edge Tri-State SOIC-20-208mil Flip Flops ROHSTexas InstrumentsFlip Flops