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SN74LS109AD on a board, in 3D

SN74LS109AD

Texas Instruments

0℃~+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 ROHS

Extended
DatasheetJLCPCBLCSCti/SN74LS109AD
Category
Flip Flops
Package
SOIC-16
Pins
16

Overview

The SN74LS109AD is a flip Flop made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+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 ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS109, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 47 are in stock at JLCPCB (part C2677790).

Symbol

R1J2K3C4S5Q6Q7
74xx:74LS109From KiCad's library

Footprint

12345678910111213141516
Package_SO:SOIC-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Parameters

17
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
40ns@5V,15pF
Quiescent Current
8mA
Series
74LS Series
Setup Time
35ns
Synchronous/Asynchronous
Asynchronous
Trigger Type
Rising Edge
Type
JK-Type
Voltage - Supply
4.75V~5.25V

Order codes

2

Pinout

16
The pins of the SN74LS109AD
PinNameType
1RInput
2JInput
3KInput
4CInput
5SInput
6QOutput
7QOutput
8GNDPower in
9QOutput
10QOutput
11SInput
12CInput
13KInput
14JInput
15RInput
16VCCPower in

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Questions

Is there a KiCad symbol and footprint for the SN74LS109AD?

Yes. The symbol is 74xx:74LS109 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN74LS109AD?

SOIC-16, with 16 pins. Its footprint is drawn on this page.

Where is the SN74LS109AD datasheet?

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

Where can I order the SN74LS109AD?

JLCPCB lists it as part C2677790, with 47 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS109AD?

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