SN74LS688NG4
- Manufacturer's Part No.:SN74LS688NG4
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- Series:74LS
- Description:IC COMPARATOR IDENTITY 8B 20DIP
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- In Stock: 1400
- Available: 280
Reference Price(In US Dollars)
Qty | Unit Price | Ext.Price |
---|---|---|
1+ | US $3.40000 | US $3.40 |
10+ | US $3.06000 | US $30.60 |
30+ | US $2.38000 | US $71.40 |
100+ | US $1.95500 | US $195.50 |
500+ | US $1.87000 | US $935.00 |
1000+ | US $1.70000 | US $1700.00 |
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- Description
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The SN74LS688NG4 is a high-speed, low-power 4-bit comparator integrated circuit (IC) manufactured by Texas Instruments. It belongs to the 74LS (Low Power Schottky) series, which is known for its fast switching times and reduced power consumption compared to standard TTL (Transistor-Transistor Logic) devices.
Key Features:
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Functionality: The SN74LS688 is designed to compare two 4-bit binary numbers and provide outputs that indicate whether the first number is less than, equal to, or greater than the second number. It can be used in various applications, including digital systems that require arithmetic operations, sorting, and data comparison.
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Pin Configuration: The IC typically comes in a 16-pin dual in-line package (DIP) format. The pins are arranged in two rows, with each row containing eight pins. The pin configuration includes inputs for the two 4-bit numbers (A3-A0 and B3-B0), control inputs for enabling the comparison, and output pins for the comparison results (A>B, A<B, A=B).
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Logic Levels: The device operates with standard TTL logic levels, which means it can accept input voltages that correspond to logic high (typically 2.0V to 5.5V) and logic low (0V to 0.8V). This makes it compatible with a wide range of digital circuits.
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Speed and Power: The SN74LS688 is designed for high-speed operation, with typical propagation delays in the range of nanoseconds. Its low power consumption makes it suitable for battery-operated devices and applications where energy efficiency is critical.
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Temperature Range: The device is rated for operation over a standard temperature range, typically from 0°C to 70°C, making it suitable for commercial applications.
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Applications: Common applications for the SN74LS688 include digital signal processing, data sorting, arithmetic logic units (ALUs), and any system requiring binary number comparison.
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Packaging: The "NG4" suffix indicates that the device is supplied in a specific package type, often a surface-mount or through-hole configuration, which is suitable for various PCB designs.
Electrical Characteristics:
- Supply Voltage (Vcc): Typically operates at 5V.
- Input Current: Low input current, typically in the microamp range.
- Output Drive Capability: Can drive multiple TTL inputs, making it versatile for cascading in larger circuits.
Conclusion:
The SN74LS688NG4 from Texas Instruments is a robust and efficient 4-bit comparator that provides essential functionality for digital systems requiring binary comparisons. Its combination of speed, low power consumption, and compatibility with standard TTL logic makes it a valuable component in a wide range of electronic applications.
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
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