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SN54LS640J

Texas InstrumentsExtended

-55℃~+125℃ 1 12mA 12mA 15ns@5V,45pF 4.5V~5.5V 54LS 8 Bidirectional Tri-State CDIP-20 Buffers, Drivers, Receivers, Transceivers

Part id
ti/SN54LS640J
Category
Buffers, Drivers, Receivers, Transceivers
Package
CDIP-20
Pins
5
In stock
3 at JLCPCB (C3587144)

Overview

The SN54LS640J is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a CDIP-20 package with 20 pins. -55℃~+125℃ 1 12mA 12mA 15ns@5V,45pF 4.5V~5.5V 54LS 8 Bidirectional Tri-State CDIP-20 Buffers, Drivers, Receivers, Transceivers.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS641NS, from EasyEDA) and its footprint (EasyEDA_Cloud:CDIP-20_L27.0-W6.7-P2.54-LS7.8-BL, from EasyEDA), ready for a KiCad board. 3 are in stock at JLCPCB (part C3587144).

Symbol

1DIR2A13A24A35A46A57A68A79A810GND11B812B713B614B515B416B317B218B119G#20VCC
EasyEDA_Cloud:SN74LS641NSFrom EasyEDA

Footprint

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EasyEDA_Cloud:CDIP-20_L27.0-W6.7-P2.54-LS7.8-BLFrom EasyEDA

Pinout

20
The pins of the SN54LS640J
PinNameType
1DIRUnspecified
2A1Unspecified
3A2Unspecified
4A3Unspecified
5A4Unspecified
6A5Unspecified
7A6Unspecified
8A7Unspecified
9A8Unspecified
10GNDUnspecified
11B8Unspecified
12B7Unspecified
13B6Unspecified
14B5Unspecified
15B4Unspecified
16B3Unspecified
17B2Unspecified
18B1Unspecified
19G#Unspecified
20VCCUnspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the SN54LS640J?

Yes. The symbol is EasyEDA_Cloud:SN74LS641NS and the footprint EasyEDA_Cloud:CDIP-20_L27.0-W6.7-P2.54-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN54LS640J?

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

Where is the SN54LS640J datasheet?

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

Where can I order the SN54LS640J?

JLCPCB lists it as part C3587144, with 3 in stock; the sellers' links on this page open their listings.

What can replace the SN54LS640J?

Parts like it in the library: the SN54LS244J by Texas Instruments, the CD54HC244F3A by Texas Instruments, the CD54HCT244F3A by Texas Instruments and the CD54HCT245F by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.