Skip to the content
PCBKitNew board
SN74LS74AMEL on a board, in 3D

SN74LS74AMEL

onsemi

0℃~+70℃ 1 2 20ns 25ns@5V,15pF 33MHz 4.75V~5.25V 400uA 5ns 74LS Series 8mA Asynchronous Complementary D-Type Rising Edge Set and Reset - Flip Flops ROHS

Extended
DatasheetJLCPCBLCSConsemi/SN74LS74AMEL
Category
Flip Flops
Pins
5

Overview

The SN74LS74AMEL is a flip Flop made by onsemi with 14 pins. 0℃~+70℃ 1 2 20ns 25ns@5V,15pF 33MHz 4.75V~5.25V 400uA 5ns 74LS Series 8mA Asynchronous Complementary D-Type Rising Edge Set and Reset - Flip Flops ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74AC74N, from EasyEDA) and its footprint (EasyEDA_Cloud:SO-14_L10.2-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3826603).

Symbol

1CLK31CLR#11D21PRE#41Q51Q#6GND72Q#82Q92PRE#102D122CLR#132CLK11VCC14
EasyEDA_Cloud:SN74AC74NFrom EasyEDA

Footprint

1234567891011121314
EasyEDA_Cloud:SO-14_L10.2-W5.3-P1.27-LS7.8-BLFrom EasyEDA

Parameters

16
Clock Frequency
33MHz
Current - Output High(IOH)
400uA
Current - Output Low(IOL)
8mA
Function
Set and Reset
Hold Time
5ns
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
0℃~+70℃
Output Type
Complementary
Propagation Delay
25ns@5V,15pF
Series
74LS Series
Setup Time
20ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

14
The pins of the SN74LS74AMEL
PinNameType
11CLR#Unspecified
21DUnspecified
31CLKUnspecified
41PRE#Unspecified
51QUnspecified
61Q#Unspecified
7GNDUnspecified
82Q#Unspecified
92QUnspecified
102PRE#Unspecified
112CLKUnspecified
122DUnspecified
132CLR#Unspecified
14VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/onsemi/SN74LS74AMEL" title="SN74LS74AMEL 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/SN74LS74AMEL.jpg" alt="SN74LS74AMEL" width="1200" height="900">
A picture that opens the part, for a README
[![SN74LS74AMEL](https://pcbkit.io/embed/parts/onsemi/SN74LS74AMEL.jpg?size=s)](https://pcbkit.io/parts/onsemi/SN74LS74AMEL)

Questions

Is there a KiCad symbol and footprint for the SN74LS74AMEL?

Yes. The symbol is EasyEDA_Cloud:SN74AC74N and the footprint EasyEDA_Cloud:SO-14_L10.2-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the SN74LS74AMEL datasheet?

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

Where can I order the SN74LS74AMEL?

JLCPCB lists it as part C3826603, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS74AMEL?

Parts like it in the library: the SN74LS74AD by Texas Instruments, the SN74LS74AN by Texas Instruments, the RS175XTSS16 by Jiangsu RUNIC Tech and the MM74HCT574MTCX by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8