

Overview
The 74LS573PC is a latche made by Texas Instruments in a DIP-20 package with 20 pins. 0℃~+70℃ 10ns 3ns 4.75V~5.25V 74LS 8 D Latch Tri-State DIP-20 Latches ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS573, from KiCad's library) and its footprint (Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C4989174). 88 open-source boards in 55 repositories on GitHub use it.
Symbol
Footprint
Parameters
8- Hold Time
- 10ns
- Logic Type
- D Latch
- Number of Channels
- 8
- Operating Temperature
- 0℃~+70℃
- Output Type
- Tri-State
- Series
- 74LS
- Setup Time
- 3ns
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- 74LS573PCLCSC C4989174
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 |
Open-source boards using it
All 88- 2 layers182.9 × 172.7 mm

- 2 layers114.3 × 106.7 mm

- 4 layers223.3 × 120.1 mm

ISA FPGA v2
robfinch/Cores
Cores ===== RTF's Cores Use at your own risk. Welcome to my galaxy of cores. Contained in the directories are IP cores, source code for digital circuits.
132 parts78 - 2 layers81.3 × 86.4 mm

- 2 layers162.2 × 134.6 mm

- 2 layers157.5 × 73.9 mm

- 4 layers172.7 × 135.9 mm

- 4 layers152.4 × 77.4 mm

Appletini board
jtflanagan/AppleTini
Teeny 4.1-based multifunctional Apple II peripheral card
42 parts17BSD-2-Clause
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<iframe src="https://pcbkit.io/embed/parts/ti/74LS573PC" title="74LS573PC 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/74LS573PC.jpg" alt="74LS573PC" width="1200" height="900">[](https://pcbkit.io/parts/ti/74LS573PC)Questions
Is there a KiCad symbol and footprint for the 74LS573PC?
Yes. The symbol is 74xx:74LS573 and the footprint Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74LS573PC?
DIP-20, with 20 pins. Its footprint is drawn on this page.
Where is the 74LS573PC datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the 74LS573PC?
JLCPCB lists it as part C4989174, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74LS573PC?
Parts like it in the library: the 74HC373N-HX by ZHHXDZ, the SN74HC573AN-HX by ZHHXDZ, the SN74LS373NE4 by Texas Instruments and the 74HCT573N/C4112 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 74LS573PC?
88 boards in 55 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
874HC373N-HX
DIP-20-40℃~+125℃ 26ns 2V~6V 7.8mA 7.8mA 74HC 8 8uA Tri-State DIP-20 Latches ROHSZHHXDZLatchesSN74HC573AN-HX
DIP-20-40℃~+125℃ 160uA 2V~6V 30ns 5ns 7.8mA 7.8mA 74HC 8 9ns D Latch Tri-State DIP-20 Latches ROHSZHHXDZLatchesSN74LS373NE4
PDIP-200℃~+70℃ 18ns 2.6mA 20ns 24mA 4.75V~5.25V 5ns 74LS 8 D Latch Tri-State PDIP-20 Latches ROHSTexas InstrumentsLatches74HCT573N/C4112
DIP-20DIP-20 Latches ROHSNexperiaLatchesNTE74HC373
DIP-20-40℃~+85℃ 2V~6V 8 8uA D Latch Tri-State DIP-20 Latches ROHSNTE ElectronicsLatches74ABT373CPC
PDIP-20-40℃~+85℃ 1.5ns 1ns 2.8ns 32mA 4.5V~5.5V 50uA 64mA 74ABT 8 D Latch Tri-State PDIP-20 Latches ROHSonsemiLatches74ABT573CPC
PDIP-20-40℃~+85℃ 1.5ns 1ns 2.7ns 32mA 4.5V~5.5V 64mA 74ABT 8 D Latch Tri-State PDIP-20 Latches ROHSonsemiLatches74AC573PC
PDIP-20-40℃~+85℃ 1.5ns 24mA 24mA 2V~6V 3ns 4uA 5.5ns 74AC 8 D Latch Tri-State PDIP-20 Latches ROHSonsemiLatches