Skip to the content
PCBKitNew board
74ACT240SC on a board, in 3D

74ACT240SC

onsemi

-40℃~+85℃ 24mA 24mA 4.5V~5.5V 40uA 5.5ns@5V,50pF 74ACT 8 Output enable TTL Compatible CMOS Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSConsemi/74ACT240SC
Category
Buffer, Driver, Transceiver
Package
SOIC-20-300mil
Pins
20

Overview

The 74ACT240SC is a buffer, Driver, Transceiver made by onsemi in a SOIC-20-300mil package with 20 pins. -40℃~+85℃ 24mA 24mA 4.5V~5.5V 40uA 5.5ns@5V,50pF 74ACT 8 Output enable TTL Compatible CMOS Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SC54AC240DWR2G, from EasyEDA) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C906681).

Symbol

OE1#1I02O4#3I14O5#5I26O6#7I38O7#9GND10I711O3#12I613O2#14I515O1#16I417O0#18OE2#19VCC20
EasyEDA_Cloud:SC54AC240DWR2GFrom EasyEDA

Footprint

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

Parameters

11
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
8
Operating Temperature
-40℃~+85℃
Propagation Delay
5.5ns@5V,50pF
Quiescent Current
40uA
Voltage - Supply
4.5V~5.5V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the 74ACT240SC
PinNameType
1OE1#Unspecified
2I0Unspecified
3O4#Unspecified
4I1Unspecified
5O5#Unspecified
6I2Unspecified
7O6#Unspecified
8I3Unspecified
9O7#Unspecified
10GNDUnspecified
11I7Unspecified
12O3#Unspecified
13I6Unspecified
14O2#Unspecified
15I5Unspecified
16O1#Unspecified
17I4Unspecified
18O0#Unspecified
19OE2#Unspecified
20VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/onsemi/74ACT240SC" title="74ACT240SC 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/onsemi/74ACT240SC.jpg" alt="74ACT240SC" width="1200" height="900">
A picture that opens the part, for a README
[![74ACT240SC](https://pcbkit.io/embed/parts/onsemi/74ACT240SC.jpg?size=s)](https://pcbkit.io/parts/onsemi/74ACT240SC)

Questions

Is there a KiCad symbol and footprint for the 74ACT240SC?

Yes. The symbol is EasyEDA_Cloud:SC54AC240DWR2G 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 74ACT240SC?

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

Where is the 74ACT240SC datasheet?

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

Where can I order the 74ACT240SC?

JLCPCB lists it as part C906681, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74ACT240SC?

Parts like it in the library: the 74LVC245AD by Nexperia, the 74LVC244AD by Nexperia, the 74HC240D by Nexperia and the SN74AHC244DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8