Skip to the content
PCBKitNew board
CD74HC74EX on a board, in 3D

CD74HC74EX

Texas Instruments

-55℃~+125℃ 1 10pF 2V~6V 30ns@6V,50pF 4uA 5.2mA 74HC Series Complementary type Rising Edge Set and Reset PDIP-14 Flip Flops

Extended
DatasheetJLCPCBLCSCti/CD74HC74EX
Category
Flip Flops
Package
PDIP-14
Pins
5

Overview

The CD74HC74EX is a flip Flop made by Texas Instruments in a PDIP-14 package with 14 pins. -55℃~+125℃ 1 10pF 2V~6V 30ns@6V,50pF 4uA 5.2mA 74HC Series Complementary type Rising Edge Set and Reset PDIP-14 Flip Flops.

PCBKit's library has its KiCad symbol (74xx:74HC74, from KiCad's library) and its footprint (Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3826951).

Symbol

R1D2C3S4Q5Q6
74xx:74HC74From KiCad's library

Footprint

1234567891011121314
Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Order codes

1

Pinout

14
The pins of the CD74HC74EX
PinNameType
1RInput
2DInput
3CInput
4SInput
5QOutput
6QOutput
7GNDPower in
8QOutput
9QOutput
10SInput
11CInput
12DInput
13RInput
14VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74HC74EX" title="CD74HC74EX 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/CD74HC74EX.jpg" alt="CD74HC74EX" width="1200" height="900">
A picture that opens the part, for a README
[![CD74HC74EX](https://pcbkit.io/embed/parts/ti/CD74HC74EX.jpg?size=s)](https://pcbkit.io/parts/ti/CD74HC74EX)

Questions

Is there a KiCad symbol and footprint for the CD74HC74EX?

Yes. The symbol is 74xx:74HC74 and the footprint Package_DIP:DIP-14_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 CD74HC74EX?

PDIP-14, with 14 pins. Its footprint is drawn on this page.

Where is the CD74HC74EX datasheet?

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

Where can I order the CD74HC74EX?

JLCPCB lists it as part C3826951, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74HC74EX?

Parts like it in the library: the SN74HC74N(XBLW) by XBLW, the SN74LS74N(XBLW) by XBLW, the CD4013BCD by GREENMICRO and the CD4013BE(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8