2 layers105.5 × 91.5 mm
Signal enhancer
neuroMoth/3-Port-Bpod-Rig
All CAD files, code, circuity, and documentation for a new 3 port Samuelsen lab experimental rig.
25 parts1MIT
SN74LS74AN
Texas InstrumentsExtended
0℃~+70℃ 1 2 20ns 25ns@2.5V,15pF 33MHz 4.75V~5.25V 400uA 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset PDIP-14 Flip Flops ROHS
- Part id
- ti/SN74LS74AN
- Category
- Flip Flops
- Package
- PDIP-14
- Pins
- 14
- In stock
- 315 at JLCPCB (C1523173)
- Used on
- 5 open-source boards
Overview
The SN74LS74AN is a flip Flop made by Texas Instruments in a PDIP-14 package with 14 pins. 0℃~+70℃ 1 2 20ns 25ns@2.5V,15pF 33MHz 4.75V~5.25V 400uA 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset PDIP-14 Flip Flops ROHS.
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. 315 are in stock at JLCPCB (part C1523173). 5 open-source boards in 5 repositories on GitHub use it.
Symbol
Footprint
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
5- 2 layers114.3 × 85.1 mm
- 2 layers271.8 × 78.7 mm
PCPI AppliCard
baldengineer/bit-preserve
Project for capturing vintage, classic, aka old computer schematics in KiCad.
82 parts446 - 2 layers78.7 × 159.6 mm
KiCad 9 6502 ROR Test Board V2.0T
Supercookiegaming/6502-ROR-Test-Board
A board designed to test if a 6502 has an ROR instruction
28 parts3 - 2 layers169.1 × 191 mm
Entrex Trapezoid Interface Board v23
ForgottenMachines/Entrex
The technologies documented here will include all like-kind systems manufactured by Nixdorf, Redifon, ROCC & Mera, all originally designed by Entrex Inc, Burlington, MA USA.
101 parts1
Parts like it
8
SN74LS74AD
SOIC-140℃~+70℃ 1 2 20ns 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSTexas InstrumentsFlip Flops
RS175XTSS16
TSSOP-16-40℃~+125℃ 1 1.65V~5.5V 1.8ns 33MHz 4 4pF 5.2mA 5.2mA 7.5ns@5.5V,50pF 8ns 8uA Asynchronous Complementary type D-Type Reset Rising Edge TSSOP-16 Flip Flops ROHSJiangsu RUNIC TechFlip Flops
MM74HCT574MTCX
TSSOP-20-40℃~+85℃ 1 10pF 30ns@5V,50pF 33MHz 4.5V~5.5V 7.2mA 7.2mA 74HCT Series 8 8uA D-Type Rising Edge TSSOP-20 Flip Flops ROHSonsemiFlip Flops
SN74LS74ANSR
SOP-14-208mil0℃~+70℃ 1 2 20ns 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 5ns 74LS Series 8mA 8mA Asynchronous Complementary type D-Type Rising Edge Set and Reset SOP-14-208mil Flip Flops ROHSTexas InstrumentsFlip Flops
SN74LS109AN
PDIP-160℃~+70℃ 1 2 25ns、35ns 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 5ns 74LS Series 8mA 8mA Asynchronous JK-Type Rising Edge Set and Reset PDIP-16 Flip Flops ROHSTexas InstrumentsFlip Flops
SN74LS109AD
SOIC-160℃~+70℃ 1 2 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 74LS Series 8mA 8mA Complementary type JK-Type Rising Edge Set and Reset SOIC-16 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74LS109ANE4
PDIP-160℃~+70℃ 1 2 33MHz 4.75V~5.25V 400uA 40ns@5V,15pF 74LS Series 8mA 8mA Complementary JK-Type Rising Edge Set and Reset PDIP-16 Flip Flops ROHSTexas InstrumentsFlip Flops
MM74HCT574N
PDIP-20-40℃~+85℃ 10pF 30ns@5V,50pF 33MHz 4.5V~5.5V 7.2mA 7.2mA 74HCT Series 8 8uA D-Type Rising Edge PDIP-20 Flip Flops ROHSonsemiFlip Flops
Questions
Is there a KiCad symbol and footprint for the SN74LS74AN?
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 SN74LS74AN?
PDIP-14, with 14 pins. Its footprint is drawn on this page.
Where is the SN74LS74AN datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS74AN?
JLCPCB lists it as part C1523173, with 315 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS74AN?
Parts like it in the library: the SN74LS74AD by Texas Instruments, the RS175XTSS16 by Jiangsu RUNIC Tech, the MM74HCT574MTCX by onsemi and the SN74LS74ANSR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SN74LS74AN?
5 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.