Overview
The SN74HC251DT is a high-performance logic IC produced by Texas Instruments. It is a 8-input multiplexer with 3-state output, designed to operate within a wide range of supply voltages. This component is part of the HC/UH family, known for its compatibility with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels. The SN74HC251DT is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for various digital circuit applications.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer's Part Number | SN74HC251DT |
| Package | SOIC-16 |
| No. of Inputs | 8 |
| No. of Outputs | 1 |
| Minimum Supply Voltage (Vsup) | 2 V |
| Maximum Supply Voltage (Vsup) | 6 V |
| Propagation Delay At Nominal Supply | 51 ns |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -40°C |
| Output Characteristics | 3-STATE |
| Logic IC Type | MULTIPLEXER |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Moisture Sensitivity Level (MSL) | 1 |
| Load Capacitance (CL) | 50 pF |
Key Features
- Wide Supply Voltage Range: Operates from 2 V to 6 V, making it versatile for different circuit designs.
- 3-State Output: Allows the output to be in a high-impedance state, which is useful for bus-oriented systems.
- Low Power Consumption: Maximum power supply current (ICC) of 0.08 mA, suitable for power-sensitive applications.
- High Speed: Propagation delay at nominal supply is 51 ns, ensuring fast data transfer.
- Industrial Temperature Range: Operates from -40°C to 85°C, making it suitable for a wide range of environmental conditions.
- RoHS Compliant: Meets the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental safety.
Applications
The SN74HC251DT is widely used in various digital circuit applications, including:
- Data Selection and Multiplexing: Ideal for selecting one of several data sources and routing it to a single output.
- Bus Systems: The 3-state output feature makes it suitable for use in bus-oriented systems where multiple devices share the same data lines.
- Industrial Control Systems: Its industrial temperature range and robust design make it a reliable choice for industrial control and automation systems.
- Communication Systems: Used in communication systems where data needs to be multiplexed or demultiplexed efficiently.
Q & A
- What is the part number of this multiplexer?
The part number of this multiplexer is SN74HC251DT. - Who is the manufacturer of the SN74HC251DT?
The manufacturer is Texas Instruments. - What is the package type of the SN74HC251DT?
The package type is SOIC-16. - How many inputs does the SN74HC251DT have?
The SN74HC251DT has 8 inputs. - What is the minimum supply voltage for the SN74HC251DT?
The minimum supply voltage is 2 V. - What is the maximum operating temperature of the SN74HC251DT?
The maximum operating temperature is 85°C. - Does the SN74HC251DT have 3-state output capability?
Yes, the SN74HC251DT has 3-state output capability. - What is the propagation delay at nominal supply for the SN74HC251DT?
The propagation delay at nominal supply is 51 ns. - Is the SN74HC251DT RoHS compliant?
Yes, the SN74HC251DT is RoHS compliant. - What is the moisture sensitivity level (MSL) of the SN74HC251DT?
The moisture sensitivity level (MSL) is 1.
