Parameters |
Mount |
Surface Mount |
Package / Case |
SOIC |
Number of Pins |
20 |
Weight |
500.709277mg |
Packaging |
Rail/Tube |
JESD-609 Code |
e4 |
Moisture Sensitivity Level (MSL) |
1 |
Number of Terminations |
20 |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Max Operating Temperature |
70°C |
Min Operating Temperature |
0°C |
Additional Feature |
WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE |
Subcategory |
Arithmetic Circuit |
Technology |
TTL |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
5V |
Terminal Pitch |
1.27mm |
Pin Count |
20 |
Operating Supply Voltage |
5V |
Polarity |
Inverting |
Power Supplies |
5V |
Temperature Grade |
COMMERCIAL |
Max Supply Voltage |
5.5V |
Min Supply Voltage |
4.5V |
Load Capacitance |
50pF |
Number of Bits |
8 |
Propagation Delay |
20 ns |
Turn On Delay Time |
20 ns |
Family |
ALS |
Output Characteristics |
3-STATE |
Logic IC Type |
IDENTITY COMPARATOR |
High Level Output Current |
-2.6mA |
Low Level Output Current |
24mA |
Power Supply Current-Max (ICC) |
19mA |
Height Seated (Max) |
2.65mm |
Width |
7.5mm |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
SN74ALS521DWE4 Overview
Rail/Tube's materials went into the packaging.SOIC is well known for its low package costs in the electronics industry.Using 8 Bits, this electronic component was designed.With 20, terminations are programmed.In addition, it has 1 functions.Supply Voltage 5V powers the device.20 Pin Count is equipped with it.Computers and other communications devices have 20 pins, which are pronged contacts.There is a mounting direction of Surface Mount on this electronic part.This electronic device belongs to the family of ALS.Arithmetic Circuit has it under its Subcategory.A 5V power supply is used to operate it.For instance, WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE was added.Supply voltage should be kept at 5V.The maximum Operating Temperature for this device is 70°C, ensuring reliability at this temperature.As soon as it starts operating, it should be warmer than 0°C.ICC reaches 19mA when the maximum power is supplied for its operation.Comparator supports 5.5V's maximum supply voltage.It operates with the minimal Supply Voltage of 4.5V.-2.6mA is the high-level output current.Set the low level output current to 24mA.The logic IC it adopts is IDENTITY COMPARATOR.
SN74ALS521DWE4 Features
SOIC package
8 Bits
20 terminations
1 Functions
20 pin count
5V power supplies
the maximal supply voltage of 5.5V
SN74ALS521DWE4 Applications
There are a lot of Texas Instruments SN74ALS521DWE4 applications of comparators.
- Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"
- Servo motor controls
- Process contollenr
- “Time out" timer for consume-appication industrial controls
- Servo Motor Controls
- Fixed or programmable irequency division
- Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.