Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
20-SOIC (0.295, 7.50mm Width) |
Number of Pins |
20 |
Supplier Device Package |
20-SOIC |
Operating Temperature |
0°C~70°C |
Packaging |
Tape & Reel (TR) |
Published |
2000 |
Series |
74ALS |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Type |
Identity Comparator |
Max Operating Temperature |
70°C |
Min Operating Temperature |
0°C |
Voltage - Supply |
4.5V~5.5V |
Base Part Number |
74ALS521 |
Output |
Active Low |
Operating Supply Voltage |
5V |
Polarity |
Inverting |
Max Supply Voltage |
5.5V |
Min Supply Voltage |
4.5V |
Number of Bits |
8 |
Propagation Delay |
20 ns |
Turn On Delay Time |
22 ns |
Current - Output High, Low |
2.6mA 24mA |
Max Propagation Delay @ V, Max CL |
20ns @ 5V, 50pF |
High Level Output Current |
24mA |
Low Level Output Current |
2.6mA |
Output Function |
A=B |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
DM74ALS521WMX Overview
Packaging made from Tape & Reel (TR)'s materials.Known for its low package costs, the 20-SOIC (0.295, 7.50mm Width) is a popular electronic component.Electronic parts using 8 Bits are designed here.74ALS Series' performance-to-cost ratio is excellent.Electronic part Surface Mount is mounted here.There is a Active Low output from this electrical device.There is a 4.5V~5.5V Supply Voltage present in order to ensure normal device operation.As a result, it operates with an Operating Temperature of 0°C~70°C, which ensures its reliability.Identity Comparator Types can be used for standard-grade applications.2.6mA 24mA features a High/Low output current which offers maximum design flexibility.Based on the Base Part Number, related parts can be identified.Computers and other computing devices use 20 pins as part of their signal interfaces.Electronic part mounted in Surface Mount-direction.Supply voltage should be kept at 5V.20-SOIC serves as its Supplier Device Package.Comparator operates wComparatorh the maximal Operating Temperature of 70°C to ensure Comparators reliabilComparatory.As soon as it starts operating, it should be warmer than 0°C.5.5V supports its maximum supply voltage.There is a minimum Supply Voltage of 4.5V at which it operates.In this case, 24mA is the output current at the high level.Current at low levels is set to 2.6mA.
DM74ALS521WMX Features
20-SOIC (0.295, 7.50mm Width) package
8 Bits
74ALS series
the maximal supply voltage of 5.5V
DM74ALS521WMX Applications
There are a lot of ON Semiconductor DM74ALS521WMX applications of comparators.
- Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.
- Fixed or programmable irequency division
- Servo Motor Controls
- “Time out" timer for consume-appication industrial controls
- Servo motor controls
- Process contollenr
- Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"