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DM74LS273WM on a board, in 3D

DM74LS273WM

onsemi

SOIC-20-300mil Shift Registers ROHS

Extended
DatasheetJLCPCBLCSConsemi/DM74LS273WM
Category
Shift Registers
Package
SOIC-20-300mil
Pins
20

Overview

The DM74LS273WM is a shift Register made by onsemi in a SOIC-20-300mil package with 20 pins. SOIC-20-300mil Shift Registers ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS273, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C6621).

Symbol

Mr1Q02D03D14Q15Q26D27D38Q39GND10Cp11Q412D413D514Q515Q616D617D718Q719VCC20
74xx:74LS273From KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mmFrom KiCad's library

Parameters

9
Clock Frequency
30MHz
Current - Output High(IOH)
0.4mA
Current - Output Low(IOL)
8mA
Features
Asynchronous clear function
Operating Temperature
0℃~+70℃
Propagation Delay
24ns@5V,15pF
Resolution
8
Series
74LS
Voltage - Supply
4.75V~5.25V

Order codes

1

Pinout

20
The pins of the DM74LS273WM
PinNameType
1MrInput
2Q0Output
3D0Input
4D1Input
5Q1Output
6Q2Output
7D2Input
8D3Input
9Q3Output
10GNDPower in
11CpInput
12Q4Output
13D4Input
14D5Input
15Q5Output
16Q6Output
17D6Input
18D7Input
19Q7Output
20VCCPower in

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Questions

Is there a KiCad symbol and footprint for the DM74LS273WM?

Yes. The symbol is 74xx:74LS273 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the DM74LS273WM?

SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.

Where is the DM74LS273WM datasheet?

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

Where can I order the DM74LS273WM?

JLCPCB lists it as part C6621, with 0 in stock; the sellers' links on this page open their listings.

What can replace the DM74LS273WM?

Parts like it in the library: the 74HC595D. by Shenzhen Fuman Elec, the 74HCT595D by Nexperia, the GN595D by GN Semic and the MC74HCT595AD by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8