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SN74LS244DW on a board, in 3D

SN74LS244DW

Texas Instruments

0℃~+70℃ 14ns@5V,45pF 15mA 2 24mA 4 4.75V~5.25V 54mA 74LS Schmitt trigger Tri-State Unidirectional SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSCti/SN74LS244DW
Category
Buffers, Drivers, Receivers, Transceivers
Package
SOIC-20-300mil
Pins
20

Overview

The SN74LS244DW is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a SOIC-20-300mil package with 20 pins. 0℃~+70℃ 14ns@5V,45pF 15mA 2 24mA 4 4.75V~5.25V 54mA 74LS Schmitt trigger Tri-State Unidirectional SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS244, 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. 822 are in stock at JLCPCB (part C7751). 1 open-source board in 1 repository on GitHub use it.

Symbol

OEa1I0a2O3b3I1a4O2b5I2a6O1b7I3a8O0b9GND10I0b11O3a12I1b13O2a14I2b15O1a16I3b17O0a18OEb19VCC20
74xx:74LS244From KiCad's library

Footprint

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

Parameters

12
Channel Type
Unidirectional
Current - Output High(IOH)
15mA
Current - Output Low(IOL)
24mA
Input type
Schmitt trigger
Logic Family
74LS
Number of Bits per Element
4
Number of Elements
2
Operating Temperature
0℃~+70℃
Propagation Delay
14ns@5V,45pF
Quiescent Current
54mA
Voltage - Supply
4.75V~5.25V
output type
Tri-State

Order codes

2

Pinout

20
The pins of the SN74LS244DW
PinNameType
1OEaInput
2I0aInput
3O3bTri-state
4I1aInput
5O2bTri-state
6I2aInput
7O1bTri-state
8I3aInput
9O0bTri-state
10GNDPower in
11I0bInput
12O3aTri-state
13I1bInput
14O2aTri-state
15I2bInput
16O1aTri-state
17I3bInput
18O0aTri-state
19OEbInput
20VCCPower in

Open-source boards using it

All 1
  • 2 layers368.3 × 254 mmSMD500, the printed circuit board in 3D

    SMD500

    amigalisa/Amiga-SMD-500

    An SMD verson of the great Amiga 500

    606 parts69CERN-OHL-S-2.0

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Questions

Is there a KiCad symbol and footprint for the SN74LS244DW?

Yes. The symbol is 74xx:74LS244 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 SN74LS244DW?

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

Where is the SN74LS244DW datasheet?

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

Where can I order the SN74LS244DW?

JLCPCB lists it as part C7751, with 822 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS244DW?

Parts like it in the library: the 74HC245D by Nexperia, the 74HCT244D by Nexperia, the 74HCT245D by Nexperia and the SN74HC244DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the SN74LS244DW?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8