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CD74ACT540M on a board, in 3D

CD74ACT540M

Texas Instruments

-55℃~+125℃ 1 124mA 124mA 160uA 4.5V~5.5V 4.5ns@5V,50pF 74ACT 8 Output enable TTL Compatible CMOS Tri-State Unidirectional SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSCti/CD74ACT540M
Category
Buffer, Driver, Transceiver
Package
SOIC-20-300mil
Pins
20

Overview

The CD74ACT540M is a buffer, Driver, Transceiver made by Texas Instruments in a SOIC-20-300mil package with 20 pins. -55℃~+125℃ 1 124mA 124mA 160uA 4.5V~5.5V 4.5ns@5V,50pF 74ACT 8 Output enable TTL Compatible CMOS Tri-State Unidirectional SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CJ74HC540BGN, 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 C553181).

Symbol

OE1#1A02A13A24A35A46A57A68A79GND10Y7#11Y6#12Y5#13Y4#14Y3#15Y2#16Y1#17Y0#18OE2#19VCC20
EasyEDA_Cloud:CJ74HC540BGNFrom EasyEDA

Footprint

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

Parameters

13
Channel Type
Unidirectional
Current - Output High(IOH)
124mA
Current - Output Low(IOL)
124mA
Features
Output enable
Input type
TTL-compatible CMOS
Logic Family
74ACT
Number of Bits per Element
8
Number of Elements
1
Operating Temperature
-55℃~+125℃
Propagation Delay
4.5ns@5V,50pF
Quiescent Current
160uA
Voltage - Supply
4.5V~5.5V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the CD74ACT540M
PinNameType
1OE1#Unspecified
2A0Unspecified
3A1Unspecified
4A2Unspecified
5A3Unspecified
6A4Unspecified
7A5Unspecified
8A6Unspecified
9A7Unspecified
10GNDUnspecified
11Y7#Unspecified
12Y6#Unspecified
13Y5#Unspecified
14Y4#Unspecified
15Y3#Unspecified
16Y2#Unspecified
17Y1#Unspecified
18Y0#Unspecified
19OE2#Unspecified
20VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the CD74ACT540M?

Yes. The symbol is EasyEDA_Cloud:CJ74HC540BGN 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 CD74ACT540M?

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

Where is the CD74ACT540M datasheet?

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

Where can I order the CD74ACT540M?

JLCPCB lists it as part C553181, with 0 in stock; the sellers' links on this page open their listings.

What can replace the CD74ACT540M?

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