Skip to the content
PCBKitNew board
MM74HC74AM on a board, in 3D

MM74HC74AM

onsemi

-40℃~+85℃ 0ns 1 19ns@6V,50pF 2 2V~6V 4uA 5.2mA 5.2mA 5pF 74HC Series 8ns 94MHz Asynchronous Complementary type D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS

Extended
DatasheetJLCPCBLCSConsemi/MM74HC74AM
Category
Flip Flops
Package
SOIC-14
Pins
14

Overview

The MM74HC74AM is a flip Flop made by onsemi in a SOIC-14 package with 14 pins. -40℃~+85℃ 0ns 1 19ns@6V,50pF 2 2V~6V 4uA 5.2mA 5.2mA 5pF 74HC Series 8ns 94MHz Asynchronous Complementary type D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHS.

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. JLCPCB lists it (part C274672). 2 open-source boards in 2 repositories 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
94MHz
Current - Output High(IOH)
5.2mA
Current - Output Low(IOL)
5.2mA
Function
Set and Reset
Hold Time
0ns
Input Capacitance
5pF
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
-40℃~+85℃
Output Type
Complementary
Propagation Delay
19ns@6V,50pF
Quiescent Current
4uA
Series
74HC Series
Setup Time
8ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
2V~6V

Order codes

1

Pinout

14
The pins of the MM74HC74AM
PinNameType
1RInput
2DInput
3CInput
4SInput
5QOutput
6QOutput
7GNDPower in
8QOutput
9QOutput
10SInput
11CInput
12DInput
13RInput
14VCCPower in

Open-source boards using it

All 2
  • 2 layers97.9 × 67.4 mmEBS logic SMD, the printed circuit board in 3D

    EBS logic SMD

    PUT-Motorsport/PUTM_DV_EBS_2022

    A KiCad schematic and PCB project of the Emergency Brake System circuit board.

    127 parts
  • 2 layersEBS logic SMD, the printed circuit board in 3D

    EBS logic SMD

    PUT-Motorsport/PUTM_DV_EBS_control

    15 parts

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/onsemi/MM74HC74AM" title="MM74HC74AM 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/onsemi/MM74HC74AM.jpg" alt="MM74HC74AM" width="1200" height="900">
A picture that opens the part, for a README
[![MM74HC74AM](https://pcbkit.io/embed/parts/onsemi/MM74HC74AM.jpg?size=s)](https://pcbkit.io/parts/onsemi/MM74HC74AM)

Questions

Is there a KiCad symbol and footprint for the MM74HC74AM?

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 MM74HC74AM?

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

Where is the MM74HC74AM datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the MM74HC74AM?

JLCPCB lists it as part C274672, with 0 in stock; the sellers' links on this page open their listings.

What can replace the MM74HC74AM?

Parts like it in the library: the MM74HC74AMX by onsemi, the MM74HC74AMTCX by onsemi, the MM74HC74ASJX by onsemi and the MM74HC74AN by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the MM74HC74AM?

2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

6