Skip to the content
PCBKitNew board
74H74DC on a board, in 3D

74H74DC

Texas Instruments

0ns 0℃~+70℃ 1 10ns、15ns 2 20ns@5V,25pF 35MHz 4.75V~5.25V 50mA 74H Asynchronous Complementary type D-Type Rising Edge Set and Reset CDIP-14 Flip Flops ROHS

Extended
DatasheetJLCPCBLCSCti/74H74DC
Category
Flip Flops
Package
CDIP-14
Pins
5

Overview

The 74H74DC is a flip Flop made by Texas Instruments in a CDIP-14 package with 14 pins. 0ns 0℃~+70℃ 1 10ns、15ns 2 20ns@5V,25pF 35MHz 4.75V~5.25V 50mA 74H Asynchronous Complementary type D-Type Rising Edge Set and Reset CDIP-14 Flip Flops ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MC74F74DR2_C6903446, from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-14_L19.7-W6.6-P2.54-LS8.3-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3825794).

Symbol

CD1#1D12CP13SD1#4Q15Q1#6GND7Q2#8Q29SD2#10CP211D212CD2#13VCC14
EasyEDA_Cloud:MC74F74DR2_C6903446From EasyEDA

Footprint

1234567891011121314
EasyEDA_Cloud:PDIP-14_L19.7-W6.6-P2.54-LS8.3-BLFrom EasyEDA

Parameters

15
Clock Frequency
35MHz
Function
Set and Reset
Hold Time
0ns
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
0℃~+70℃
Output Type
Complementary type
Propagation Delay
20ns@5V,25pF
Quiescent Current
50mA
Series
74H
Setup Time
10ns；15ns
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 74H74DC
PinNameType
1CD1#Unspecified
2D1Unspecified
3CP1Unspecified
4SD1#Unspecified
5Q1Unspecified
6Q1#Unspecified
7GNDUnspecified
8Q2#Unspecified
9Q2Unspecified
10SD2#Unspecified
11CP2Unspecified
12D2Unspecified
13CD2#Unspecified
14VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/74H74DC" title="74H74DC 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/74H74DC.jpg" alt="74H74DC" width="1200" height="900">
A picture that opens the part, for a README
[![74H74DC](https://pcbkit.io/embed/parts/ti/74H74DC.jpg?size=s)](https://pcbkit.io/parts/ti/74H74DC)

Questions

Is there a KiCad symbol and footprint for the 74H74DC?

Yes. The symbol is EasyEDA_Cloud:MC74F74DR2_C6903446 and the footprint EasyEDA_Cloud:PDIP-14_L19.7-W6.6-P2.54-LS8.3-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 74H74DC?

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

Where is the 74H74DC datasheet?

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

Where can I order the 74H74DC?

JLCPCB lists it as part C3825794, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74H74DC?

Parts like it in the library: the MC74HC74AD by onsemi, the SN74HC574N(LX) by lingxingic, the SN74LS175DR(LX) by lingxingic and the SN74HC574D(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8