2 layers231.1 × 106.7 mm
Overview
The 74LS74PC is a flip Flop made by Texas Instruments in a DIP-14 package with 14 pins. 0ns 0℃~+70℃ 1 2 20MHz 3.5pF 35ns@5V,50pF 4.5ns 4.75V~5.25V 400uA 74LS Series 8mA 8mA Asynchronous Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops.
PCBKit's library has its KiCad symbol (74xx:74LS74, 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 C3826991). 271 open-source boards in 196 repositories on GitHub use it.
Symbol
Footprint
Order codes
1- 74LS74PCLCSC C3826991
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | R | Input |
| 2 | D | Input |
| 3 | C | Input |
| 4 | S | Input |
| 5 | Q | Output |
| 6 | Q | Output |
| 7 | GND | Power in |
| 8 | Q | Output |
| 9 | Q | Output |
| 10 | S | Input |
| 11 | C | Input |
| 12 | D | Input |
| 13 | R | Input |
| 14 | VCC | Power in |
Open-source boards using it
All 271- 2 layers49.6 × 78.3 mm
Odyssey
jotego/jtcores
FPGA cores compatible with multiple arcade game machines and KiCAD schematics of arcade games. Working on MiSTer FPGA/Analogue Pocket
24 parts346GPL-3.0 - 2 layers182.9 × 172.7 mm
- 2 layers365.1 × 203.2 mm
DIAG
Nakazoto/CenturionComputer
This is just a simple backup of all the files related to the Centurion that I have stored on my HD. The Wiki itself has far more in-depth information about the Centurion and it's individual cards.
150 parts172 - 2 layers304.8 × 165.1 mm
Comix-35
schlae/comix-35
The COMIX-35 is an improved clone of the COMX-35 1802 home computer
173 parts138 - 2 layers134.6 × 208.3 mm
- 4 layers184.9 × 243.8 mm
Project NuXT
monotech/NuXT
MicroATX Turbo XT Motherboard, with VGA, Floppy, CF, Serial
223 parts121GPL-3.0 - 2 layers114 × 96 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/74LS74PC" title="74LS74PC in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/74LS74PC.jpg" alt="74LS74PC" width="1200" height="900">[](https://pcbkit.io/parts/ti/74LS74PC)Questions
Is there a KiCad symbol and footprint for the 74LS74PC?
Yes. The symbol is 74xx:74LS74 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 74LS74PC?
DIP-14, with 14 pins. Its footprint is drawn on this page.
Where is the 74LS74PC datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the 74LS74PC?
JLCPCB lists it as part C3826991, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74LS74PC?
Parts like it in the library: the SN74HC74N(XBLW) by XBLW, the SN74LS74N(XBLW) by XBLW, the CD4013BCD by GREENMICRO and the CD4013BE(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 74LS74PC?
271 boards in 196 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
SN74HC74N(XBLW)
DIP-14-2ns -40℃~+105℃ 1 13ns 14ns@5V,15pF 2 2V~6V 2uA 3.5pF 4mA 5.2mA 74HC Series 76MHz Asynchronous Complementary type D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHSXBLWFlip FlopsSN74LS74N(XBLW)
DIP-14-20℃~+85℃ -2ns 1 2 220ns@6V,15pF 2V~6V 2ns 3.5pF 40uA 47MHz 5.2mA 5.2mA 74LS Series Asynchronous Complementary type D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHSXBLWFlip FlopsCD4013BCD
DIP-14-40℃~+85℃ 1 120ns@15V,50pF 2 24MHz 2ns 3V~15V 4000 Series 4uA 5pF 6.8mA 6.8mA 7ns Asynchronous Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHSGREENMICROFlip FlopsCD4013BE(LX)
DIP-14-40℃~+85℃ 1 120ns@15V,50pF 2 24MHz 3V~15V 4000 Series 4uA 5pF 6.8mA 6.8mA Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHSlingxingicFlip FlopsCD74HC73E(LX)
DIP-14-2ns -40℃~+125℃ 108MHz 15ns@6.0V,50pF 1、1 2 2V~6V 6ns 74HC Series Asynchronous Complementary type Falling Edge JK-Type Reset DIP-14 Flip Flops ROHSlingxingicFlip FlopsSN74HC107N(LX)
DIP-14-40℃~+125℃ 1 2 27ns@6V,50pF 28MHz 2V~6V 74HC Series 80uA Falling Edge JK-Type Reset DIP-14 Flip Flops ROHSlingxingicFlip FlopsSN74LS74N(LX)
DIP-14-40℃~+125℃ 1 15ns 17ns@4.5V,15pF 2 2V~6V 3.5pF 40uA 5.2mA 5.2mA 74LS Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset DIP-14 Flip Flops ROHSlingxingicFlip FlopsTC4013BP(N,F)
DIP-14-40℃~+85℃ 1 120uA 2 20MHz 3.4mA 3.4mA 3V~18V 5pF 90ns@15V,50pF Complementary D-Type Reset Rising Edge DIP-14 Flip Flops ROHSToshibaFlip Flops