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74AC520PC on a board, in 3D

74AC520PC

onsemi

-40℃~+85℃ 24mA 24mA 2V~6V 4uA 8 9ns@5V,50pF A=B Active Low Multi-device cascading PDIP-20 Digital Comparators ROHS

Extended
DatasheetJLCPCBLCSConsemi/74AC520PC
Category
Digital Comparators
Package
PDIP-20
Pins
20

Overview

The 74AC520PC is a digital Comparator made by onsemi in a PDIP-20 package with 20 pins. -40℃~+85℃ 24mA 24mA 2V~6V 4uA 8 9ns@5V,50pF A=B Active Low Multi-device cascading PDIP-20 Digital Comparators ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:74AC521SC REEL, from EasyEDA) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3658342).

Symbol

I#_A=B1A02B03A14B15A26B27A38B39GND10A411B412A513B514A615B616A717B718O#_A=B19VCC20
EasyEDA_Cloud:74AC521SC REELFrom EasyEDA

Footprint

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

Parameters

10
Current - Output High(IOH)
24mA
Current - Output Low(IOL)
24mA
Features
Multi-device cascading
Number of Channels
8
Operating Temperature
-40℃~+85℃
Output
Active Low
Output Function
A=B
Propagation Delay
9ns@5V,50pF
Quiescent Current
4uA
Voltage - Supply
2V~6V

Order codes

1

Pinout

20
The pins of the 74AC520PC
PinNameType
1I#_A=BUnspecified
2A0Unspecified
3B0Unspecified
4A1Unspecified
5B1Unspecified
6A2Unspecified
7B2Unspecified
8A3Unspecified
9B3Unspecified
10GNDUnspecified
11A4Unspecified
12B4Unspecified
13A5Unspecified
14B5Unspecified
15A6Unspecified
16B6Unspecified
17A7Unspecified
18B7Unspecified
19O#_A=BUnspecified
20VCCUnspecified

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A live frame, for any web page
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A picture
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A picture that opens the part, for a README
[![74AC520PC](https://pcbkit.io/embed/parts/onsemi/74AC520PC.jpg?size=s)](https://pcbkit.io/parts/onsemi/74AC520PC)

Questions

Is there a KiCad symbol and footprint for the 74AC520PC?

Yes. The symbol is EasyEDA_Cloud:74AC521SC REEL 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 74AC520PC?

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

Where is the 74AC520PC datasheet?

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

Where can I order the 74AC520PC?

JLCPCB lists it as part C3658342, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 74AC520PC?

Parts like it in the library: the SN74HC688N by Texas Instruments, the CD74HCT688E by Texas Instruments, the SN74LS682N by Texas Instruments and the DM74ALS521N by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

5