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MM74HC240N

onsemi

Extended
DatasheetJLCPCBLCSConsemi/MM74HC240N
Category
Buffers, Drivers, Receivers, Transceivers
Package
PDIP-20
Pins
20

Overview

The MM74HC240N is a buffers, Drivers, Receivers, Transceiver made by onsemi in a PDIP-20 package with 20 pins.

PCBKit's library has its KiCad symbol (74xx:74HC240, from KiCad's library) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3753569).

Symbol

1OE11A022Y031A142Y151A262Y271A382Y39GND102A3111Y3122A2131Y2142A1151Y1162A0171Y0182OE19VCC20
74xx:74HC240From KiCad's library

Footprint

1234567891011121314151617181920
Package_DIP:DIP-20_W7.62mmFrom KiCad's library

Parameters

12
Channel Type
Unidirectional
Current - Output High(IOH)
7.8mA
Current - Output Low(IOL)
7.8mA
Input type
StandardCMOS
Logic Family
74HC
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
-40℃~+85℃
Propagation Delay
25ns@4.5V,50pF
Quiescent Current
160uA
Voltage - Supply
2V~6V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the MM74HC240N
PinNameType
11OEInput
21A0Input
32Y0Tri-state
41A1Input
52Y1Tri-state
61A2Input
72Y2Tri-state
81A3Input
92Y3Tri-state
10GNDPower in
112A3Input
121Y3Tri-state
132A2Input
141Y2Tri-state
152A1Input
161Y1Tri-state
172A0Input
181Y0Tri-state
192OEInput
20VCCPower in

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A picture
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A picture that opens the part, for a README
[![MM74HC240N](https://pcbkit.io/embed/parts/onsemi/MM74HC240N.jpg?size=s)](https://pcbkit.io/parts/onsemi/MM74HC240N)

Questions

Is there a KiCad symbol and footprint for the MM74HC240N?

Yes. The symbol is 74xx:74HC240 and the footprint Package_DIP:DIP-20_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MM74HC240N?

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

Where is the MM74HC240N datasheet?

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

Where can I order the MM74HC240N?

JLCPCB lists it as part C3753569, with 0 in stock; the sellers' links on this page open their listings.

What can replace the MM74HC240N?

Parts like it in the library: the 74HC541D by GR, the SN74HC240N(XBLW) by XBLW, the SN74HC244N(XBLW) by XBLW and the 74HC245N by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8