Skip to the content
PCBKitNew board
CD74ACT240E on a board, in 3D

CD74ACT240E

Texas Instruments

-40℃~+85℃ 160uA 2 24mA 24mA 3.6ns@5V,50pF 4 4.5V~5.5V 74ACT Output enable TTL Compatible CMOS Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSCti/CD74ACT240E
Category
Buffers, Drivers, Receivers, Transceivers
Package
PDIP-20
Pins
20

Overview

The CD74ACT240E is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a PDIP-20 package with 20 pins. -40℃~+85℃ 160uA 2 24mA 24mA 3.6ns@5V,50pF 4 4.5V~5.5V 74ACT Output enable TTL Compatible CMOS Tri-State PDIP-20 Buffers, Drivers, Receivers, Transceivers ROHS.

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 C1548681).

Symbol

1OE11A022Y031A142Y151A262Y271A382Y39GND102A3111Y3122A2131Y2142A1151Y1162A0171Y0182OE19VCC20
74xx:74HC240From KiCad's library

Footprint

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

Parameters

12
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Features
Output enable
Input type
TTL Compatible CMOS
Logic Family
74ACT
Number of Bits per Element
4
Number of Elements
2
Operating Temperature
-40℃~+85℃
Propagation Delay
3.6ns@5V,50pF
Quiescent Current
160uA
Voltage - Supply
4.5V~5.5V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the CD74ACT240E
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

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/CD74ACT240E" title="CD74ACT240E 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/CD74ACT240E.jpg" alt="CD74ACT240E" width="1200" height="900">
A picture that opens the part, for a README
[![CD74ACT240E](https://pcbkit.io/embed/parts/ti/CD74ACT240E.jpg?size=s)](https://pcbkit.io/parts/ti/CD74ACT240E)

Questions

Is there a KiCad symbol and footprint for the CD74ACT240E?

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 CD74ACT240E?

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

Where is the CD74ACT240E datasheet?

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

Where can I order the CD74ACT240E?

JLCPCB lists it as part C1548681, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74ACT240E?

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