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SN74HC640ANS

Texas InstrumentsExtended

SO-20-208mil Buffers, Drivers, Receivers, Transceivers ROHS

Part id
ti/SN74HC640ANS
Category
Pre Ordered Chips
Package
SO-20-208mil
Pins
20
In stock
0 at JLCPCB (C2870308)

Overview

The SN74HC640ANS is a pre Ordered Chip made by Texas Instruments in a SO-20-208mil package with 20 pins. SO-20-208mil Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74ALS1640AN, from EasyEDA) and its footprint (EasyEDA_Cloud:SO-20_L12.6-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2870308).

Symbol

1DIR2A13A24A35A46A57A68A79A810GND11B812B713B614B515B416B317B218B119OE#20VCC
EasyEDA_Cloud:SN74ALS1640ANFrom EasyEDA

Footprint

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

Pinout

20
The pins of the SN74HC640ANS
PinNameType
1DIRUnspecified
2A1Unspecified
3A2Unspecified
4A3Unspecified
5A4Unspecified
6A5Unspecified
7A6Unspecified
8A7Unspecified
9A8Unspecified
10GNDUnspecified
11B8Unspecified
12B7Unspecified
13B6Unspecified
14B5Unspecified
15B4Unspecified
16B3Unspecified
17B2Unspecified
18B1Unspecified
19OE#Unspecified
20VCCUnspecified

Parts like it

1

Questions

Is there a KiCad symbol and footprint for the SN74HC640ANS?

Yes. The symbol is EasyEDA_Cloud:SN74ALS1640AN and the footprint EasyEDA_Cloud:SO-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.

What package is the SN74HC640ANS?

SO-20-208mil, with 20 pins. Its footprint is drawn on this page.

Where can I order the SN74HC640ANS?

JLCPCB lists it as part C2870308, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74HC640ANS?

Parts like it in the library: the SN74HC574ANSR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.