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CD74HC74E on a board, in 3D

CD74HC74E

Texas Instruments

-55℃~+125℃ 1 10ns 10pF 2 2V~6V 30ns@6V,50pF 3ns 4uA 5.2mA 5.2mA 50MHz 74HC Series Asynchronous Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHS

Extended
DatasheetJLCPCBLCSCti/CD74HC74E
Category
Flip Flops
Package
DIP-14
Pins
5

Overview

The CD74HC74E is a flip Flop made by Texas Instruments in a DIP-14 package with 14 pins. -55℃~+125℃ 1 10ns 10pF 2 2V~6V 30ns@6V,50pF 3ns 4uA 5.2mA 5.2mA 50MHz 74HC Series Asynchronous Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHS.

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 C354059). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

R1D2C3S4Q5Q6
74xx:74HC74From KiCad's library

Footprint

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

Parameters

18
Clock Frequency
50MHz
Current - Output High(IOH)
5.2mA
Current - Output Low(IOL)
5.2mA
Function
Set and Reset
Hold Time
3ns
Input Capacitance
10pF
Number of Bits per Element
1
Number of Elements
2
Operating Temperature
-55℃~+125℃
Output Type
Complementary
Propagation Delay
30ns@6V,50pF
Quiescent Current
4uA
Series
74HC Series
Setup Time
10ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
D-Type
Voltage - Supply
2V~6V

Order codes

1

Pinout

14
The pins of the CD74HC74E
PinNameType
1RInput
2DInput
3CInput
4SInput
5QOutput
6QOutput
7GNDPower in
8QOutput
9QOutput
10SInput
11CInput
12DInput
13RInput
14VCCPower in

Open-source boards using it

All 3
  • 6 layers313 × 259.5 mmOpen8-vga motherboard, the printed circuit board in 3D

    Open8-vga motherboard

    adham404/Open8-VGA

    An 8-bit computer from 74HC logic: microcoded CPU, VGA, PS/2, on-board editor and assembler. Play it in your browser.

    322 parts3MIT
  • 2 layers238.8 × 120.6 mmTd4, the printed circuit board in 3D

    Td4

    unyacat/td4

    渡波郁著「CPUの創りかた」を独自に起こした基板

    252 parts1
  • 2 layers200 × 200 mmALU, the printed circuit board in 3D

    ALU

    Liu-Yuzh/PEC-1

    Hand made 8bitCPU

    58 parts1

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Questions

Is there a KiCad symbol and footprint for the CD74HC74E?

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 CD74HC74E?

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

Where is the CD74HC74E datasheet?

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

Where can I order the CD74HC74E?

JLCPCB lists it as part C354059, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74HC74E?

Parts like it in the library: the CD74HCT74E by Texas Instruments, the SN74HC174D by Texas Instruments, the SN74HC174PW by Texas Instruments and the CD74HCT377M96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the CD74HC74E?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8