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SN74LS279D, in 3D

SN74LS279D

onsemi

0℃~+70℃ 1 22ns@5V,15pF 4 4.75V~5.25V 400uA 74LS Series 8mA Set and Reset - Flip Flops ROHS

Extended
DatasheetJLCPCBLCSConsemi/SN74LS279D
Category
Flip Flops
Pins
5

Overview

The SN74LS279D is a flip Flop made by onsemi with 16 pins. 0℃~+70℃ 1 22ns@5V,15pF 4 4.75V~5.25V 400uA 74LS Series 8mA Set and Reset - Flip Flops ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS279D, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3826626).

Symbol

1R#11S1#21S2#31Q42R#52S#62Q7GND83Q93R#103S1#113S2#124Q134R#144S#15VCC16
EasyEDA_Cloud:SN74LS279DFrom EasyEDA

Footprint

12345678910111213141516
EasyEDA_Cloud:SOIC-16_L9.9-W3.9-P1.27-LS6.0-BLFrom EasyEDA

Parameters

9
Current - Output High(IOH)
400uA
Current - Output Low(IOL)
8mA
Function
Set and Reset
Number of Bits per Element
1
Number of Elements
4
Operating Temperature
0℃~+70℃
Propagation Delay
22ns@5V,15pF
Series
74LS Series
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

16
The pins of the SN74LS279D
PinNameType
11R#Unspecified
21S1#Unspecified
31S2#Unspecified
41QUnspecified
52R#Unspecified
62S#Unspecified
72QUnspecified
8GNDUnspecified
93QUnspecified
103R#Unspecified
113S1#Unspecified
123S2#Unspecified
134QUnspecified
144R#Unspecified
154S#Unspecified
16VCCUnspecified

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[![SN74LS279D](https://pcbkit.io/embed/parts/onsemi/SN74LS279D.jpg?size=s)](https://pcbkit.io/parts/onsemi/SN74LS279D)

Questions

Is there a KiCad symbol and footprint for the SN74LS279D?

Yes. The symbol is EasyEDA_Cloud:SN74LS279D and the footprint EasyEDA_Cloud:SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the SN74LS279D datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the SN74LS279D?

JLCPCB lists it as part C3826626, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS279D?

Parts like it in the library: the 74LS174DC by onsemi, the DM74LS109AM by onsemi, the MC74AC174DR2 by onsemi and the MC74AC175DR2 by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8