SN74LS257BN
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 2 days ago) |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300, 7.62mm) |
| Number of Pins | 16 |
| Weight | 951.693491mg |
| Operating Temperature | 0°C~70°C |
| Packaging | Tube |
| Series | 74LS |
| JESD-609 Code | e4 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 16 |
| ECCN Code | EAR99 |
| Type | Multiplexer |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Technology | TTL |
| Voltage - Supply | 4.75V~5.25V |
| Terminal Position | DUAL |
| Number of Functions | 4 |
| Supply Voltage | 5V |
| Base Part Number | 74LS257 |
| Pin Count | 16 |
| Number of Outputs | 1 |
| Operating Supply Voltage | 5V |
| Circuit | 4 x 2:1 |
| Polarity | Non-Inverting |
| Power Supplies | 5V |
| Number of Channels | 4 |
| Nominal Supply Current | 44mA |
| Power Dissipation | 55mW |
| Number of Bits | 2 |
| Throw Configuration | DPST |
| Propagation Delay | 15 ns |
| Quiescent Current | 13mA |
| Family | LS |
| Number of Inputs | 8 |
| Output Characteristics | 3-STATE |
| Current - Output High, Low | 2.6mA 24mA |
| Supply Type | Single |
| Bandwidth | 35MHz |
| Voltage Supply Source | Single Supply |
| Independent Circuits | 1 |
| Height | 5.08mm |
| Length | 19.3mm |
| Width | 6.35mm |
| Thickness | 3.9mm |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
SN74LS257BN Overview
This is a relatively small item of digital switch that is included in the 16-DIP (0.300, 7.62mm) in order to save space on the board.Tube represents its packaging.Mounting is performed using Through Hole.the multiplexers uses IC Multiplexer as the analog IC.The operating temperature will not be affected by external factors when turn signal switch is set to 0°C~70°C.The turn signal switch is designed for use with a 4.75V~5.25V supply voltage, which gives it a lot of flexibility.In addition to being a member of the 74LS series, these multiplexers have a wide range of applications.The basic configuration includes 16 terminations.The base part number is 74LS257, which is also useful when looking up signal switch's related components.For multiplexer's system, a voltage of 5V is supplied.Currently, this turn signal switch has a total of 16 component pins.Its supply type is Single, which is used as the source of power.With 16 pins, it is configured.This unit is mounted in the way of Through Hole.The logic switch is included into the family of LS.Signal multiplexer provides 2 bits.mux switch's normal operation requires the power supply of 5V.The turn signal switch operates with 1 outputs.It consumes 13mA current of multiplexer ic since it is not affected by external factors.With a supply voltage of 5V, reliable performance of the multiplexers can be achieved.This multiplexer provides 8 inputs.Transmission is carried out over 4 channels in the turn signal switch's circuit.
SN74LS257BN Features
Supplied in the 16-DIP (0.300, 7.62mm) package
Adopting a supply type of Single
Power supplies of 5V
Operating with the supply voltage of 5V
SN74LS257BN Applications
There are a lot of Texas Instruments SN74LS257BN Signal Switches / Multiplexers / Decoders applications.
- Paper plants
- Home automation system
- Metal detectors
- Time division multiplexing system
- To select different devices in microprocessor input
- Analog to digital conversion
- Logic gates for other digital devices
- D/A converters
- Data collection system
- Used to connect a single source to multiple destinations
