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74F574SCX on a board, in 3D

74F574SCX

onsemi

SOIC-20-300mil Specialty Logic ROHS

Extended
JLCPCBLCSConsemi/74F574SCX
Category
Specialty Logic
Package
SOIC-20-300mil
Pins
20

Overview

The 74F574SCX is a specialty Logic made by onsemi in a SOIC-20-300mil package with 20 pins. SOIC-20-300mil Specialty Logic ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS574, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5571).

Symbol

OE1D02D13D24D35D46D57D68D79GND10Cp11Q712Q613Q514Q415Q316Q217Q118Q019VCC20
74xx:74LS574From KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mmFrom KiCad's library

Order codes

1

Pinout

20
The pins of the 74F574SCX
PinNameType
1OEInput
2D0Input
3D1Input
4D2Input
5D3Input
6D4Input
7D5Input
8D6Input
9D7Input
10GNDPower in
11CpInput
12Q7Tri-state
13Q6Tri-state
14Q5Tri-state
15Q4Tri-state
16Q3Tri-state
17Q2Tri-state
18Q1Tri-state
19Q0Tri-state
20VCCPower in

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[![74F574SCX](https://pcbkit.io/embed/parts/onsemi/74F574SCX.jpg?size=s)](https://pcbkit.io/parts/onsemi/74F574SCX)

Questions

Is there a KiCad symbol and footprint for the 74F574SCX?

Yes. The symbol is 74xx:74LS574 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74F574SCX?

SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.

Where can I order the 74F574SCX?

JLCPCB lists it as part C5571, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74F574SCX?

Parts like it in the library: the 74FCT240ATSO8 by Renesas Electronics, the DM74LS240WMX by Fairchild Semicon, the MC74LS273DWR2 by MOTOROLA and the 74HC245D653 by NXP Semiconductors. Check their datasheets: a part that fits the footprint may still differ in its ratings.

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8