Parameters |
Mount |
Surface Mount |
Package / Case |
SOIC |
Number of Pins |
16 |
Weight |
141.690917mg |
JESD-609 Code |
e4 |
Moisture Sensitivity Level (MSL) |
1 |
Number of Terminations |
16 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Max Operating Temperature |
70°C |
Min Operating Temperature |
0°C |
Packing Method |
TUBE |
Technology |
TTL |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
4 |
Supply Voltage |
5V |
Pin Count |
16 |
Power Supplies |
5V |
Temperature Grade |
COMMERCIAL |
Number of Channels |
4 |
Max Supply Voltage |
5.25V |
Min Supply Voltage |
4.75V |
Propagation Delay |
15 ns |
Family |
LS |
Logic Function |
Multiplexer |
Number of Inputs |
8 |
Output Characteristics |
3-STATE |
Supply Type |
Single |
Bandwidth |
35MHz |
Output Polarity |
TRUE |
High Level Output Current |
24mA |
Low Level Output Current |
2.6mA |
Number of Input Lines |
2 |
Number of Output Lines |
1 |
Length |
9.9mm |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
SN74LS257BDE4 Overview
The reason it is provided is that the board space can be saved by placing digital switch in the SOIC.Its basic configuration includes terminations in the 16 range.In multiplexer's system, 5V is the voltage supplied.Signal switch has 16 component pins.Using the point GULL WING as an end point of conductors, it is used to determine the terminus of a conductor.The supply type of this multiplexer ic is Single.The board has 16 pins configured.This unit is mounted in the way of Surface Mount.The logic switch is a member of the LS family.It is provided that 5V has a power supply in order to function normally.This multiplexer is equipped with 8 inputs and 8 outputs.In accordance with TUBE, switches can be packaged.The multiplexers have 2 input lines used to accept voltage levels.The signal source consists of 1 output lines.The turn signal switch's circuit consists of 4 channels that are being used for transmission in the circuit.The maximum temperature for this signal switch is 70°C.It is recommended that the minimal operating temperature of the multiplexer be maintained at 0°C.Upon compliance with the applicable device specifications, the device will operate at the maximum supply voltage of 5.25V.Device specifications require that the digital swith operate at a minimum supply voltage of 4.75V.
SN74LS257BDE4 Features
Supplied in the SOIC package
Adopting a supply type of Single
Power supplies of 5V
2 input lines
1 output lines
SN74LS257BDE4 Applications
There are a lot of Texas Instruments SN74LS257BDE4 Signal Switches / Multiplexers / Decoders applications.
- Code converters
- Textile mills
- To select different devices in microprocessor input
- Video transmission
- Recording transmission
- Data transfer
- Home automation system
- RF-based home automation system
- Paper plants
- Data-routing applications