SN74HCT257DR
- Mfr.Part #
- SN74HCT257DR
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC MULTIPLEXER 4 X 2:1 16SOIC
- Stock
- 1,907
- In Stock :
- 1,907
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- Manufacturer :
- Texas Instruments
- Product Category :
- Signal Switches, Multiplexers, Decoders
- Operating Supply Voltage :
- 5V
- Peak Reflow Temperature (Cel) :
- 260
- Propagation Delay :
- 35 ns
- Number of Pins :
- 16
- Independent Circuits :
- 1
- Number of Functions :
- 4
- Voltage - Supply :
- 4.5V~5.5V
- Throw Configuration :
- DPST
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Length :
- 9.9mm
- Terminal Position :
- Dual
- Number of Bits :
- 2
- JESD-609 Code :
- e4
- Number of Inputs :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- Lead Free :
- Lead Free
- Packing Method :
- TR
- Polarity :
- Non-Inverting
- Thickness :
- 1.58mm
- ECCN Code :
- EAR99
- Factory Lead Time :
- 6 Weeks
- Bandwidth :
- 28MHz
- Series :
- 74HCT
- Radiation Hardening :
- No
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- Number of Channels :
- 4
- Supply Voltage :
- 5V
- Type :
- Multiplexer
- Family :
- HCT
- Output Characteristics :
- 3-STATE
- Width :
- 3.91mm
- Terminal Form :
- Gull wing
- Weight :
- 141.690917mg
- Supply Type :
- Single
- Packaging :
- Cut Tape (CT)
- Pin Count :
- 16
- RoHS Status :
- ROHS3 Compliant
- Number of Outputs :
- 1
- Power Supplies :
- 5V
- Max I(ol) :
- 0.006 A
- Number of Terminations :
- 16
- Load Capacitance :
- 50pF
- Circuit :
- 4 x 2:1
- Height :
- 1.75mm
- Base Part Number :
- 74HCT257
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Pbfree Code :
- yes
- Operating Temperature :
- -40°C~85°C
- Current - Output High, Low :
- 6mA 6mA
- Voltage Supply Source :
- Single Supply
- Mounting Type :
- Surface Mount
- Datasheets
- SN74HCT257DR

Signal Switches, Multiplexers, Decoders Texas Instruments SN74HCT257DR Overview
The SN74HCT257DR from Texas Instruments is a high-performance IC multiplexer that stands out in the realm of Signal Switches, Multiplexers, and Decoders. Designed to efficiently handle data selection and routing, this device features four 2:1 multiplexers, making it an essential component for various digital applications. Its versatility is further enhanced by its compatibility with both TTL and CMOS outputs. The SN74HCT257DR operates effectively within a wide voltage range, offering robust performance with minimal power consumption, making it a smart choice for developers looking to optimize their systems.
SN74HCT257DR Features
The SN74HCT257DR offers multiple features that enhance its functionality and usability in digital systems:
- Four 2:1 multiplexer circuits integrated in a single chip.
- Wide operating voltage range from 4.5V to 5.5V, suitable for various digital environments.
- Low power consumption and high noise immunity typical of CMOS technology.
- Outputs can drive up to 10 LSTTL loads, ensuring compatibility with a variety of digital components.
- Designed in a 16-pin SOIC package, it offers a compact footprint suitable for space-constrained applications.
SN74HCT257DR Applications
- Data Routing Systems: Utilized in complex data management systems to control the flow of data efficiently.
- Signal Selection in Communication Equipment: Helps in selecting and forwarding signals in communication devices, enhancing operational efficiency.
- Function Selection in Computer Systems: Allows multiple functions to be selected and performed based on user requirements in computing devices.
- Input/Output Port Expansion: Acts as a critical component in expanding I/O ports without needing additional chips, saving space and reducing costs.
- Test Equipment: Essential in test setups for selecting and routing signals to different testing circuits or modules.
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