Parameters |
Mounting Type |
Through Hole |
Package / Case |
16-DIP (0.300, 7.62mm) |
Surface Mount |
NO |
Operating Temperature |
0°C~70°C |
Packaging |
Tube |
Series |
74ALS |
JESD-609 Code |
e3 |
Pbfree Code |
yes |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
Number of Terminations |
16 |
Type |
Multiplexer |
Terminal Finish |
MATTE TIN |
Technology |
TTL |
Voltage - Supply |
4.5V~5.5V |
Terminal Position |
DUAL |
Peak Reflow Temperature (Cel) |
NOT APPLICABLE |
Number of Functions |
1 |
Supply Voltage |
5V |
Terminal Pitch |
2.54mm |
Reach Compliance Code |
unknown |
Time@Peak Reflow Temperature-Max (s) |
NOT APPLICABLE |
Pin Count |
16 |
Number of Outputs |
1 |
Qualification Status |
COMMERCIAL |
Circuit |
1 x 8:1 |
Supply Voltage-Max (Vsup) |
5.5V |
Supply Voltage-Min (Vsup) |
4.5V |
Family |
ALS |
Number of Inputs |
8 |
Output Characteristics |
3-STATE |
Current - Output High, Low |
2.6mA 24mA |
Output Polarity |
COMPLEMENTARY |
Voltage Supply Source |
Single Supply |
Independent Circuits |
1 |
Height Seated (Max) |
5.08mm |
Width |
7.62mm |
RoHS Status |
ROHS3 Compliant |
DM74ALS251N Overview
Due to the lack of space on the board, digital switch is provided in the 16-DIP (0.300, 7.62mm).It is packaged in the way of Tube.The method digital switch ic adopts for mounting is Through Hole.The analog IC in the multiplexers is identified as Multiplexer.When the operating temperature is kept at 0°C~70°C, the machine will not be sensturn signal switchive to external influences.Designers have greater flexibility when digital controlled switch operates at a 4.5V~5.5V supply voltage.The multiplexers from 74ALS series can be used for a wide range of applications.Among its basic configurations are 16 terminations.The multiplexer's system is supplied with a voltage of 5V.This turn signal switch has a total of 16 component pins.The logic switch object belongs to the family of ALS.To avoid unnecessary failures, keep the supply voltage at 4.5V (Vsup).The maximal supply voltage (Vsup) should be kept at 5.5V to avoid some unnecessary failures.For the turn signal switch's operation, there are 1 outputs.In this multiplexer, there is a total of 8 inputs.
DM74ALS251N Features
Supplied in the 16-DIP (0.300, 7.62mm) package
DM74ALS251N Applications
There are a lot of Rochester Electronics, LLC DM74ALS251N Signal Switches / Multiplexers / Decoders applications.
- Implementing boolean functions with multiple variables
- Data bus control
- Communication system
- Enabling block of memory depending on address in memory chips
- Control unit of Central Processing unit (CPU)
- Frequency multiplexing system
- Metal detectors
- Combinational circuit
- A/D converters
- Relay