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SN74LS256D on a board, in 3D

SN74LS256D

onsemi

0ns、15ns 0℃~+70℃ 20ns 4.75V~5.25V 400uA 74LS Series 8mA - Flip Flops ROHS

Extended
DatasheetJLCPCBLCSConsemi/SN74LS256D
Category
Flip Flops
Pins
5

Overview

The SN74LS256D is a flip Flop made by onsemi with 16 pins. 0ns、15ns 0℃~+70℃ 20ns 4.75V~5.25V 400uA 74LS Series 8mA - Flip Flops ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS256D, 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 C3827302).

Symbol

A01A12DA3Q0A4Q1A5Q2A6Q3A7GND8Q0B9Q1B10Q2B11Q3B12DB13E#14CL#15VCC16
EasyEDA_Cloud:SN74LS256DFrom EasyEDA

Footprint

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

Parameters

7
Current - Output High(IOH)
400uA
Current - Output Low(IOL)
8mA
Hold Time
0ns；15ns
Operating Temperature
0℃~+70℃
Series
74LS Series
Setup Time
20ns
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

16
The pins of the SN74LS256D
PinNameType
1A0Unspecified
2A1Unspecified
3DAUnspecified
4Q0AUnspecified
5Q1AUnspecified
6Q2AUnspecified
7Q3AUnspecified
8GNDUnspecified
9Q0BUnspecified
10Q1BUnspecified
11Q2BUnspecified
12Q3BUnspecified
13DBUnspecified
14E#Unspecified
15CL#Unspecified
16VCCUnspecified

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A live frame, for any web page
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A picture
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[![SN74LS256D](https://pcbkit.io/embed/parts/onsemi/SN74LS256D.jpg?size=s)](https://pcbkit.io/parts/onsemi/SN74LS256D)

Questions

Is there a KiCad symbol and footprint for the SN74LS256D?

Yes. The symbol is EasyEDA_Cloud:SN74LS256D 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 SN74LS256D datasheet?

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

Where can I order the SN74LS256D?

JLCPCB lists it as part C3827302, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS256D?

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