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SN74LS645N3 on a board, in 3D

SN74LS645N3

Texas Instruments

0℃~+70℃ 1 15mA 24mA 4.75V~5.25V 74LS 8 95mA Bidirectional Output enable Schmitt trigger Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers

Extended
DatasheetJLCPCBLCSCti/SN74LS645N3
Category
Buffers, Drivers, Receivers, Transceivers
Package
PDIP-20
Pins
5

Overview

The SN74LS645N3 is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a PDIP-20 package with 20 pins. 0℃~+70℃ 1 15mA 24mA 4.75V~5.25V 74LS 8 95mA Bidirectional Output enable Schmitt trigger Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS641NS, from EasyEDA) and its footprint (Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3587669).

Symbol

DIR1A12A23A34A45A56A67A78A89GND10B811B712B613B514B415B316B217B118G#19VCC20
EasyEDA_Cloud:SN74LS641NSFrom EasyEDA

Footprint

1234567891011121314151617181920
Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

12
Channel Type
Bidirectional
Current - Output High(IOH)
15mA
Current - Output Low(IOL)
24mA
Features
Output enable
Input type
Schmitt trigger
Logic Family
74LS
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
0℃~+70℃
Quiescent Current
95mA
Voltage - Supply
4.75V~5.25V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the SN74LS645N3
PinNameType
1DIRUnspecified
2A1Unspecified
3A2Unspecified
4A3Unspecified
5A4Unspecified
6A5Unspecified
7A6Unspecified
8A7Unspecified
9A8Unspecified
10GNDUnspecified
11B8Unspecified
12B7Unspecified
13B6Unspecified
14B5Unspecified
15B4Unspecified
16B3Unspecified
17B2Unspecified
18B1Unspecified
19G#Unspecified
20VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the SN74LS645N3?

Yes. The symbol is EasyEDA_Cloud:SN74LS641NS 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 SN74LS645N3?

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

Where is the SN74LS645N3 datasheet?

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

Where can I order the SN74LS645N3?

JLCPCB lists it as part C3587669, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS645N3?

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.

Parts like it

8