Overview
The DM74ALS520WM is a comparator made by Texas Instruments in a SOIC-20 package with 20 pins. 0℃~+70℃ Enable/shutdown function SOIC-20 Comparators.
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 C3658801).
Symbol
Footprint
Parameters
2- Features
- Enable/shutdown function
- Operating Temperature
- 0℃~+70℃
Order codes
1- DM74ALS520WMLCSC C3658801
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | EN# | Unspecified |
| 2 | A0 | Unspecified |
| 3 | B0 | Unspecified |
| 4 | A1 | Unspecified |
| 5 | B1 | Unspecified |
| 6 | A2 | Unspecified |
| 7 | B2 | Unspecified |
| 8 | A3 | Unspecified |
| 9 | B3 | Unspecified |
| 10 | GND | Unspecified |
| 11 | A4 | Unspecified |
| 12 | B4 | Unspecified |
| 13 | A5 | Unspecified |
| 14 | B5 | Unspecified |
| 15 | A6 | Unspecified |
| 16 | B6 | Unspecified |
| 17 | A7 | Unspecified |
| 18 | B7 | Unspecified |
| 19 | A#=B# | Unspecified |
| 20 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the DM74ALS520WM?
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 DM74ALS520WM?
SOIC-20, with 20 pins. Its footprint is drawn on this page.
Where is the DM74ALS520WM datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the DM74ALS520WM?
JLCPCB lists it as part C3658801, with 0 in stock; the sellers' links on this page open their listings.
What can replace the DM74ALS520WM?
Parts like it in the library: the SN74HC688DW by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
