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CD74HC640M on a board, in 3D

CD74HC640M

Texas Instruments

-55℃~+125℃ 18ns 2V~6V 74HC 8 8uA Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSCti/CD74HC640M
Category
Latches
Package
SOIC-20-300mil
Pins
20

Overview

The CD74HC640M is a latche made by Texas Instruments in a SOIC-20-300mil package with 20 pins. -55℃~+125℃ 18ns 2V~6V 74HC 8 8uA Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS245DTR(XBLW), from EasyEDA) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. 10 are in stock at JLCPCB (part C2872108).

Symbol

DIR1A02A13A24A35A46A57A68A79GND10B711B612B513B414B315B216B117B018OE#19VCC20
EasyEDA_Cloud:SN74LS245DTR(XBLW)From EasyEDA

Footprint

1234567891011121314151617181920
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mmFrom KiCad's library

Parameters

1
Features
Output enable

Order codes

1

Pinout

20
The pins of the CD74HC640M
PinNameType
1DIRUnspecified
2A0Unspecified
3A1Unspecified
4A2Unspecified
5A3Unspecified
6A4Unspecified
7A5Unspecified
8A6Unspecified
9A7Unspecified
10GNDUnspecified
11B7Unspecified
12B6Unspecified
13B5Unspecified
14B4Unspecified
15B3Unspecified
16B2Unspecified
17B1Unspecified
18B0Unspecified
19OE#Unspecified
20VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the CD74HC640M?

Yes. The symbol is EasyEDA_Cloud:SN74LS245DTR(XBLW) and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the CD74HC640M?

SOIC-20-300mil, with 20 pins. Its footprint is drawn on this page.

Where is the CD74HC640M datasheet?

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

Where can I order the CD74HC640M?

JLCPCB lists it as part C2872108, with 10 in stock; the sellers' links on this page open their listings.

What can replace the CD74HC640M?

Parts like it in the library: the 74HC573D by Nexperia, the 74HC573D by MDD, the SN74HC573ADW by Texas Instruments and the SN74HC573D(LX) by lingxingic. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8