SN74LS257BDG4
| 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 |
| Height | 1.58mm |
| Length | 9.9mm |
| Width | 3.91mm |
| Radiation Hardening | No |
| RoHS Status | RoHS Compliant |
| Lead Free | Lead Free |
SN74LS257BDG4 Overview
In order to save board space, digital switch is located in the SOIC.It is designed with 16 terminations as part of its basic configuration.In multiplexer's system, 5V is the voltage supplied.A component pin count of 16 is found on this turn signal switch.Using the point GULL WING as an end point of conductors, it is used to determine the terminus of a conductor.There is a supply type of Single employed as part of this supply.The board is configured with 16 pins.It is positioned in the direction of Surface Mount.I would like to refer to the logic switch as a member of the LS family.For mux switch's normal operation, power supply 5V is provided.In this multiplexer, there is a total of 8 inputs.According to TUBE, the switches is packaged.In order to accept voltage levels, the multiplexers have input lines 2 on the board.A signal source has 1 output lines.There are a total of 4 channels used for transmitting data in the turn signal switch's circuit.The maximum temperature for this signal switch is 70°C.The minimal operating temperature of the multiplexer should be maintained at 0°C.The signal switches is specified to operate at the maximum supply voltage of 5.25V in compliance with the applicable device specification.The digital swith is specified to operate at the minimum supply voltage of 4.75V in compliance with the applicable device specification.
SN74LS257BDG4 Features
Supplied in the SOIC package
Adopting a supply type of Single
Power supplies of 5V
2 input lines
1 output lines
SN74LS257BDG4 Applications
There are a lot of Texas Instruments SN74LS257BDG4 Signal Switches / Multiplexers / Decoders applications.
- Electronic circuits
- A/D converters
- Microprocessor memory systems
- Speed control of medern motors
- To select different devices in microprocessor output
- Code conversion
- Medium scale TV wall
- Telephone network
- Analog, digital or video signal switching
- RF-based home automation system
