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SN74LS240N3

Texas InstrumentsExtended

0℃~+70℃ 15mA 2 24mA 4 4.75V~5.25V 74LS Output enable、Level shifting Schmitt trigger Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers

Part id
ti/SN74LS240N3
Category
Buffers, Drivers, Receivers, Transceivers
Package
PDIP-20
Pins
5
In stock
0 at JLCPCB (C3756195)

Overview

The SN74LS240N3 is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a PDIP-20 package with 20 pins. 0℃~+70℃ 15mA 2 24mA 4 4.75V~5.25V 74LS Output enable、Level shifting Schmitt trigger Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers.

PCBKit's library has its KiCad symbol (74xx:74LS240, from KiCad's library) and its footprint (Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3756195).

Symbol

1OEa2I0a3O3b4I1a5O2b6I2a7O1b8I3a9O0b10GND11I0b12O3a13I1b14O2a15I2b16O1a17I3b18O0a19OEb20VCC
74xx:74LS240From KiCad's library

Footprint

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Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Pinout

20
The pins of the SN74LS240N3
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

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the SN74LS240N3?

Yes. The symbol is 74xx:74LS240 and the footprint Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN74LS240N3?

PDIP-20, with 20 pins. Its footprint is drawn on this page.

Where is the SN74LS240N3 datasheet?

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

Where can I order the SN74LS240N3?

JLCPCB lists it as part C3756195, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS240N3?

Parts like it in the library: the SN74HC244N(LX) by lingxingic, the AIP74HC540DA20.TB by Wuxi I-core Elec, the AIP74HC541DA20.TB by Wuxi I-core Elec and the 74HC244N-HX by ZHHXDZ. Check their datasheets: a part that fits the footprint may still differ in its ratings.