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SN74LS640M on a board, in 3D

SN74LS640M

onsemi

- Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSConsemi/SN74LS640M
Category
Buffers, Drivers, Receivers, Transceivers
Pins
5

Overview

The SN74LS640M is a buffers, Drivers, Receivers, Transceiver made by onsemi with 20 pins. - Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS640M, from EasyEDA) and its footprint (EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3755004).

Symbol

VCC20ENABLE G#19B118B217B316B415B514B613B712B811GND10A89A78A67A56A45A34A23A12DIR1
EasyEDA_Cloud:SN74LS640MFrom EasyEDA

Footprint

1234567891011121314151617181920
EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-LS7.8-BLFrom EasyEDA

Order codes

1

Pinout

20
The pins of the SN74LS640M
PinNameType
1DIRUnspecified
2A1Unspecified
3A2Unspecified
4A3Unspecified
5A4Unspecified
6A5Unspecified
7A6Unspecified
8A7Unspecified
9A8Unspecified
10GNDUnspecified
11B8Unspecified
12B7Unspecified
13B6Unspecified
14B5Unspecified
15B4Unspecified
16B3Unspecified
17B2Unspecified
18B1Unspecified
19ENABLE G#Unspecified
20VCCUnspecified

Show this part on your page

A live frame, for any web page
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A picture
<img src="https://pcbkit.io/embed/parts/onsemi/SN74LS640M.jpg" alt="SN74LS640M" width="1200" height="900">
A picture that opens the part, for a README
[![SN74LS640M](https://pcbkit.io/embed/parts/onsemi/SN74LS640M.jpg?size=s)](https://pcbkit.io/parts/onsemi/SN74LS640M)

Questions

Is there a KiCad symbol and footprint for the SN74LS640M?

Yes. The symbol is EasyEDA_Cloud:SN74LS640M and the footprint EasyEDA_Cloud:SOP-20_L12.6-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

Where is the SN74LS640M datasheet?

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

Where can I order the SN74LS640M?

JLCPCB lists it as part C3755004, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS640M?

Parts like it in the library: the SN74LVC244ANS by Texas Instruments, the SN74ALS645A-1NS by Texas Instruments, the SN74LVTH240NSR by Texas Instruments and the MC74ACT240M by MOTOROLA. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8