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74LS574SCX on a board, in 3D

74LS574SCX

Texas Instruments

0ns 0℃~+70℃ 1 2.6mA 20ns 24mA 28ns@5V,45pF 35MHz 4.75V~5.25V 74LS Series 8 D-Type Rising Edge Tri-State - Flip Flops ROHS

Extended
DatasheetJLCPCBLCSCti/74LS574SCX
Category
Flip Flops
Pins
5

Overview

The 74LS574SCX is a flip Flop made by Texas Instruments with 20 pins. 0ns 0℃~+70℃ 1 2.6mA 20ns 24mA 28ns@5V,45pF 35MHz 4.75V~5.25V 74LS Series 8 D-Type Rising Edge Tri-State - Flip Flops ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CY74FCT2374CTQC, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-20_L12.6-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3825908).

Symbol

OE#1D02D13D24D35D46D57D68D79GND10CP11O712O613O514O415O316O217O118O019VCC20
EasyEDA_Cloud:CY74FCT2374CTQCFrom EasyEDA

Footprint

1234567891011121314151617181920
EasyEDA_Cloud:SOIC-20_L12.6-W5.3-P1.27-LS7.8-BLFrom EasyEDA

Parameters

14
Clock Frequency
35MHz
Current - Output High(IOH)
2.6mA
Current - Output Low(IOL)
24mA
Hold Time
0ns
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
0℃~+70℃
Output Type
Tri-State
Propagation Delay
28ns@5V,45pF
Series
74LS Series
Setup Time
20ns
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

20
The pins of the 74LS574SCX
PinNameType
1OE#Unspecified
2D0Unspecified
3D1Unspecified
4D2Unspecified
5D3Unspecified
6D4Unspecified
7D5Unspecified
8D6Unspecified
9D7Unspecified
10GNDUnspecified
11CPUnspecified
12O7Unspecified
13O6Unspecified
14O5Unspecified
15O4Unspecified
16O3Unspecified
17O2Unspecified
18O1Unspecified
19O0Unspecified
20VCCUnspecified

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[![74LS574SCX](https://pcbkit.io/embed/parts/ti/74LS574SCX.jpg?size=s)](https://pcbkit.io/parts/ti/74LS574SCX)

Questions

Is there a KiCad symbol and footprint for the 74LS574SCX?

Yes. The symbol is EasyEDA_Cloud:CY74FCT2374CTQC and the footprint EasyEDA_Cloud:SOIC-20_L12.6-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the 74LS574SCX datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the 74LS574SCX?

JLCPCB lists it as part C3825908, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74LS574SCX?

Parts like it in the library: the SN74ALS574BNSR by Texas Instruments, the MC74HC74AD by onsemi, the SN74HC574N(LX) by lingxingic and the SN74LS175DR(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8