Skip to the content
PCBKitNew board
CD74AC74M on a board, in 3D

CD74AC74M

Texas Instruments

-55℃~+125℃ 0ns 1 1.5V~5.5V 10ns@5V,50pF 10pF 110MHz 2 24mA 24mA 3.5ns 4uA 74AC Series Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops

Extended
DatasheetJLCPCBLCSCti/CD74AC74M
Category
Flip Flops
Package
SOIC-14
Pins
14

Overview

The CD74AC74M is a flip Flop made by Texas Instruments in a SOIC-14 package with 14 pins. -55℃~+125℃ 0ns 1 1.5V~5.5V 10ns@5V,50pF 10pF 110MHz 2 24mA 24mA 3.5ns 4uA 74AC Series Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops.

PCBKit's library has its KiCad symbol (74xx:74HC74, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 9 are in stock at JLCPCB (part C1549860). 4 open-source boards in 1 repository on GitHub use it.

Symbol

R1D2C3S4Q5Q6
74xx:74HC74From KiCad's library

Footprint

1234567891011121314
Package_SO:SOIC-14_3.9x8.7mm_P1.27mmFrom KiCad's library

Parameters

18
Clock Frequency
110MHz
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Function
Set and Reset
Hold Time
0ns
Input Capacitance
10pF
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
-55℃~+125℃
Output Type
Complementary
Propagation Delay
10ns@5V,50pF
Quiescent Current
4uA
Series
74AC Series
Setup Time
3.5ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
1.5V~5.5V

Order codes

1

Pinout

14
The pins of the CD74AC74M
PinNameType
1RInput
2DInput
3CInput
4SInput
5QOutput
6QOutput
7GNDPower in
8QOutput
9QOutput
10SInput
11CInput
12DInput
13RInput
14VCCPower in

Open-source boards using it

All 4

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74AC74M" title="CD74AC74M 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/CD74AC74M.jpg" alt="CD74AC74M" width="1200" height="900">
A picture that opens the part, for a README
[![CD74AC74M](https://pcbkit.io/embed/parts/ti/CD74AC74M.jpg?size=s)](https://pcbkit.io/parts/ti/CD74AC74M)

Questions

Is there a KiCad symbol and footprint for the CD74AC74M?

Yes. The symbol is 74xx:74HC74 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CD74AC74M?

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

Where is the CD74AC74M datasheet?

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

Where can I order the CD74AC74M?

JLCPCB lists it as part C1549860, with 9 in stock; the sellers' links on this page open their listings.

What can replace the CD74AC74M?

Parts like it in the library: the 74LV74D by Nexperia, the 74LV74D-Q100J by Nexperia, the SN74S74D by Texas Instruments and the SN74AHC273PW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the CD74AC74M?

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

Parts like it

8