Overview
The 74LS573SC is a latche made by Texas Instruments with 20 pins. 0℃~+70℃ 10ns 2.6mA 24mA 27ns 3ns 4.75V~5.25V 74LS 8 D Latch Tri-State - Latches ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS573, from KiCad's library) and its footprint (EasyEDA_Cloud:SOIC-20_L13.0-W7.6-P1.27-LS10.3-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3756052).
Symbol
Footprint
Parameters
11- Current - Output High(IOH)
- 2.6mA
- Current - Output Low(IOL)
- 24mA
- Hold Time
- 10ns
- Logic Type
- D Latch
- Number of Channels
- 8
- Operating Temperature
- 0℃~+70℃
- Output Type
- Tri-State
- Propagation Delay
- 27ns
- Series
- 74LS
- Setup Time
- 3ns
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- 74LS573SCLCSC C3756052
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | OE | Input |
| 2 | D0 | Input |
| 3 | D1 | Input |
| 4 | D2 | Input |
| 5 | D3 | Input |
| 6 | D4 | Input |
| 7 | D5 | Input |
| 8 | D6 | Input |
| 9 | D7 | Input |
| 10 | GND | Power in |
| 11 | Load | Input |
| 12 | Q7 | Tri-state |
| 13 | Q6 | Tri-state |
| 14 | Q5 | Tri-state |
| 15 | Q4 | Tri-state |
| 16 | Q3 | Tri-state |
| 17 | Q2 | Tri-state |
| 18 | Q1 | Tri-state |
| 19 | Q0 | Tri-state |
| 20 | VCC | Power in |
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Is there a KiCad symbol and footprint for the 74LS573SC?
Yes. The symbol is 74xx:74LS573 and the footprint EasyEDA_Cloud:SOIC-20_L13.0-W7.6-P1.27-LS10.3-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the 74LS573SC datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the 74LS573SC?
JLCPCB lists it as part C3756052, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74LS573SC?
Parts like it in the library: the 74AHCT373D by NXP Semiconductors, the SN74ABT573DWR by Texas Instruments and the SN74AC573DWRG4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
