Skip to the content
PCBKitNew board
DM74ALS520WMX on a board, in 3D

DM74ALS520WMX

onsemi

0℃~+70℃ 2.6mA 20ns@5V,50pF 24mA 4.5V~5.5V 8 A=B Active Low Multi-device cascading SOIC-20 Digital Comparators ROHS

Extended
DatasheetJLCPCBLCSConsemi/DM74ALS520WMX
Category
Digital Comparators
Package
SOIC-20
Pins
20

Overview

The DM74ALS520WMX is a digital Comparator made by onsemi in a SOIC-20 package with 20 pins. 0℃~+70℃ 2.6mA 20ns@5V,50pF 24mA 4.5V~5.5V 8 A=B Active Low Multi-device cascading SOIC-20 Digital Comparators ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:DM74ALS520WM, 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 C3658568).

Symbol

VCC20A#=B#19B718A717B616A615B514A513B412A411GND10B39A38B27A26B15A14B03A02EN#1
EasyEDA_Cloud:DM74ALS520WMFrom EasyEDA

Footprint

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

Parameters

9
Current - Output High(IOH)
2.6mA
Current - Output Low(IOL)
24mA
Features
Multi-device cascading
Number of Channels
8
Operating Temperature
0℃~+70℃
Output
Active Low
Output Function
A=B
Propagation Delay
20ns@5V,50pF
Voltage - Supply
4.5V~5.5V

Order codes

1

Pinout

20
The pins of the DM74ALS520WMX
PinNameType
1EN#Unspecified
2A0Unspecified
3B0Unspecified
4A1Unspecified
5B1Unspecified
6A2Unspecified
7B2Unspecified
8A3Unspecified
9B3Unspecified
10GNDUnspecified
11A4Unspecified
12B4Unspecified
13A5Unspecified
14B5Unspecified
15A6Unspecified
16B6Unspecified
17A7Unspecified
18B7Unspecified
19A#=B#Unspecified
20VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/onsemi/DM74ALS520WMX" title="DM74ALS520WMX 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/DM74ALS520WMX.jpg" alt="DM74ALS520WMX" width="1200" height="900">
A picture that opens the part, for a README
[![DM74ALS520WMX](https://pcbkit.io/embed/parts/onsemi/DM74ALS520WMX.jpg?size=s)](https://pcbkit.io/parts/onsemi/DM74ALS520WMX)

Questions

Is there a KiCad symbol and footprint for the DM74ALS520WMX?

Yes. The symbol is EasyEDA_Cloud:DM74ALS520WM 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 DM74ALS520WMX?

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

Where is the DM74ALS520WMX datasheet?

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

Where can I order the DM74ALS520WMX?

JLCPCB lists it as part C3658568, with 0 in stock; the sellers' links on this page open their listings.

What can replace the DM74ALS520WMX?

Parts like it in the library: the SN74F521DW by Texas Instruments, the CD74HCT688M96 by Texas Instruments, the CD74HC688M96 by Texas Instruments and the CD74HC688NS by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8