Skip to the content
PCBKitNew board
CD74AC574E on a board, in 3D

CD74AC574E

Texas Instruments

-55℃~+125℃ 1 1.5V~5.5V 10.8ns@5V,50pF 10pF 125MHz 24mA 24mA 74AC Series 8 8uA D-Type Rising Edge Tri-State PDIP-20 Flip Flops ROHS

Extended
DatasheetJLCPCBLCSCti/CD74AC574E
Category
Flip Flops
Package
PDIP-20
Pins
5

Overview

The CD74AC574E is a flip Flop made by Texas Instruments in a PDIP-20 package with 20 pins. -55℃~+125℃ 1 1.5V~5.5V 10.8ns@5V,50pF 10pF 125MHz 24mA 24mA 74AC Series 8 8uA D-Type Rising Edge Tri-State PDIP-20 Flip Flops ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS574, 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 C3826307). 1 open-source board in 1 repository on GitHub use it.

Symbol

OE1D02D13D24D35D46D57D68D79GND10Cp11Q712Q613Q514Q415Q316Q217Q118Q019VCC20
74xx:74LS574From KiCad's library

Footprint

1234567891011121314151617181920
Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

14
Clock Frequency
125MHz
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Input Capacitance
10pF
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
-55℃~+125℃
Output Type
Tri-State
Propagation Delay
10.8ns@5V,50pF
Quiescent Current
8uA
Series
74AC Series
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
1.5V~5.5V

Order codes

1

Pinout

20
The pins of the CD74AC574E
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

Open-source boards using it

All 1
  • 6 layers313 × 259.5 mmOpen8-vga motherboard, the printed circuit board in 3D

    Open8-vga motherboard

    adham404/Open8-VGA

    An 8-bit computer from 74HC logic: microcoded CPU, VGA, PS/2, on-board editor and assembler. Play it in your browser.

    322 parts3MIT

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74AC574E" title="CD74AC574E in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/CD74AC574E.jpg" alt="CD74AC574E" width="1200" height="900">
A picture that opens the part, for a README
[![CD74AC574E](https://pcbkit.io/embed/parts/ti/CD74AC574E.jpg?size=s)](https://pcbkit.io/parts/ti/CD74AC574E)

Questions

Is there a KiCad symbol and footprint for the CD74AC574E?

Yes. The symbol is 74xx:74LS574 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 CD74AC574E?

PDIP-20, with 20 pins. Its footprint is drawn on this page.

Where is the CD74AC574E datasheet?

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

Where can I order the CD74AC574E?

JLCPCB lists it as part C3826307, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74AC574E?

Parts like it in the library: the DM74AS374N by onsemi, the CD74AC564E by Texas Instruments, the SN74AS576N by Texas Instruments and the CD74ACT374M96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the CD74AC574E?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8