Skip to the content
PCBKitNew board
SN74HC640DW, in 3D

SN74HC640DW

Texas Instruments

-40℃~+85℃ 1 21ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8 80uA Bidirectional Tri-State SOIC-20 Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSCti/SN74HC640DW
Category
Buffers, Drivers, Receivers, Transceivers
Package
SOIC-20-300mil
Pins
20

Overview

The SN74HC640DW is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a SOIC-20-300mil package with 20 pins. -40℃~+85℃ 1 21ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8 80uA Bidirectional Tri-State SOIC-20 Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. 29 are in stock at JLCPCB (part C510970).

Symbol

The library has no symbol for this part yet.

Footprint

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

Parameters

12
Channel Type
Bidirectional
Current - Output High(IOH)
7.8mA
Current - Output Low(IOL)
7.8mA
Features
Output enable
Logic Family
74HC
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
-40℃~+85℃
Propagation Delay
21ns@4.5V,50pF
Quiescent Current
80uA
Voltage - Supply
2V~6V
output type
Tri-State

Order codes

2

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74HC640DW" title="SN74HC640DW in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/SN74HC640DW.jpg" alt="SN74HC640DW" width="1200" height="900">
A picture that opens the part, for a README
[![SN74HC640DW](https://pcbkit.io/embed/parts/ti/SN74HC640DW.jpg?size=s)](https://pcbkit.io/parts/ti/SN74HC640DW)

Questions

Is there a KiCad symbol and footprint for the SN74HC640DW?

Yes. 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 SN74HC640DW?

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

Where is the SN74HC640DW datasheet?

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

Where can I order the SN74HC640DW?

JLCPCB lists it as part C510970, with 29 in stock; the sellers' links on this page open their listings.

What can replace the SN74HC640DW?

Parts like it in the library: the 74HC245D by Nexperia, the 74HCT244D by Nexperia, the 74HCT245D by Nexperia and the SN74HC244DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8