Skip to the content
PCBKitNew board
MM74HC540MTC on a board, in 3D

MM74HC540MTC

onsemi

-40℃~+85℃ 1 12ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8 80uA Output enable Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS

Extended
DatasheetJLCPCBLCSConsemi/MM74HC540MTC
Category
Buffers, Drivers, Receivers, Transceivers
Package
TSSOP-20
Pins
20

Overview

The MM74HC540MTC is a buffers, Drivers, Receivers, Transceiver made by onsemi in a TSSOP-20 package with 20 pins. -40℃~+85℃ 1 12ns@4.5V,50pF 2V~6V 7.8mA 7.8mA 74HC 8 80uA Output enable Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS.

PCBKit's library has its KiCad symbol (74xx:74LS540, from KiCad's library) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C897485).

Symbol

G11A02A13A24A35A46A57A68A79GND10Y711Y612Y513Y414Y315Y216Y117Y018G219VCC20
74xx:74LS540From KiCad's library

Footprint

1234567891011121314151617181920
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mmFrom KiCad's library

Parameters

11
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
12ns@4.5V,50pF
Quiescent Current
80uA
Voltage - Supply
2V~6V
output type
Tri-State

Order codes

1

Pinout

20
The pins of the MM74HC540MTC
PinNameType
1G1Input
2A0Input
3A1Input
4A2Input
5A3Input
6A4Input
7A5Input
8A6Input
9A7Input
10GNDPower in
11Y7Tri-state
12Y6Tri-state
13Y5Tri-state
14Y4Tri-state
15Y3Tri-state
16Y2Tri-state
17Y1Tri-state
18Y0Tri-state
19G2Input
20VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/onsemi/MM74HC540MTC" title="MM74HC540MTC 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/MM74HC540MTC.jpg" alt="MM74HC540MTC" width="1200" height="900">
A picture that opens the part, for a README
[![MM74HC540MTC](https://pcbkit.io/embed/parts/onsemi/MM74HC540MTC.jpg?size=s)](https://pcbkit.io/parts/onsemi/MM74HC540MTC)

Questions

Is there a KiCad symbol and footprint for the MM74HC540MTC?

Yes. The symbol is 74xx:74LS540 and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the MM74HC540MTC?

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

Where is the MM74HC540MTC datasheet?

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

Where can I order the MM74HC540MTC?

JLCPCB lists it as part C897485, with 0 in stock; the sellers' links on this page open their listings.

What can replace the MM74HC540MTC?

Parts like it in the library: the 74LVC245APW,118 by Nexperia, the SN74AHCT541PW by Texas Instruments, the SN74ACT244PW by Texas Instruments and the 74VHC245PW by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8