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CD74HC85MTE4

CD74HC85MTE4

Product Overview

  • Category: Integrated Circuit
  • Use: Digital Comparator
  • Characteristics: High-Speed, CMOS Logic, 4-Bit Magnitude Comparator
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: The CD74HC85MTE4 is a digital comparator integrated circuit that compares two 4-bit binary numbers and determines their relative magnitude.
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to Vcc
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 9 ns (typical)
  • Output Current: ±25 mA
  • Number of Pins: 16

Detailed Pin Configuration

The CD74HC85MTE4 has a total of 16 pins. Here is the detailed pin configuration:

  1. A0: Input A, Bit 0
  2. A1: Input A, Bit 1
  3. A2: Input A, Bit 2
  4. A3: Input A, Bit 3
  5. B0: Input B, Bit 0
  6. B1: Input B, Bit 1
  7. B2: Input B, Bit 2
  8. B3: Input B, Bit 3
  9. GND: Ground
  10. LT: Less Than Output
  11. EQ: Equal Output
  12. GT: Greater Than Output
  13. Vcc: Supply Voltage
  14. NC: No Connection
  15. NC: No Connection
  16. NC: No Connection

Functional Features

  • Performs 4-bit magnitude comparison between two binary numbers
  • Outputs three signals indicating the relationship between the two numbers: Less Than, Equal, and Greater Than
  • High-speed operation with a typical propagation delay of 9 ns
  • CMOS logic ensures low power consumption and compatibility with various digital systems

Advantages and Disadvantages

Advantages: - Fast and accurate comparison of 4-bit binary numbers - Low power consumption due to CMOS technology - Wide operating voltage range allows for flexibility in different applications - Compact TSSOP package saves board space

Disadvantages: - Limited to 4-bit magnitude comparison, not suitable for larger numbers - Requires external circuitry for cascading multiple comparators

Working Principles

The CD74HC85MTE4 compares two 4-bit binary numbers by examining each corresponding bit. It determines whether the bits are equal or if one number is greater than the other. The outputs LT (Less Than), EQ (Equal), and GT (Greater Than) indicate the result of the comparison.

The internal circuitry of the CD74HC85MTE4 utilizes CMOS technology, which ensures high-speed operation and low power consumption. The inputs and outputs are compatible with various digital systems, making it suitable for integration into different electronic devices.

Detailed Application Field Plans

The CD74HC85MTE4 finds applications in various fields where digital magnitude comparison is required. Some potential application areas include:

  1. Arithmetic Logic Units (ALUs) in microprocessors
  2. Digital signal processing circuits
  3. Data sorting and filtering systems
  4. Industrial automation and control systems
  5. Communication equipment for error detection and correction

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the CD74HC85MTE4:

  1. SN74HC85: Similar 4-bit magnitude comparator from Texas Instruments
  2. MC14585: 4-bit magnitude comparator from ON Semiconductor
  3. CD74HCT85: 4-bit magnitude comparator with TTL compatibility from Texas Instruments

These alternative models can be considered based on specific requirements and availability in the market.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av CD74HC85MTE4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of CD74HC85MTE4 in technical solutions:

  1. Q: What is CD74HC85MTE4? A: CD74HC85MTE4 is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) 4-bit magnitude comparator integrated circuit.

  2. Q: What are the key features of CD74HC85MTE4? A: Some key features include low power consumption, wide operating voltage range, high noise immunity, and compatibility with TTL (Transistor-Transistor Logic) inputs.

  3. Q: How does CD74HC85MTE4 work? A: CD74HC85MTE4 compares two 4-bit binary numbers and determines their relationship (greater than, less than, or equal). It has multiple inputs and outputs for this purpose.

  4. Q: What are the typical applications of CD74HC85MTE4? A: CD74HC85MTE4 is commonly used in digital systems where comparison of binary numbers is required, such as in arithmetic operations, data sorting, and control logic circuits.

  5. Q: What is the maximum operating frequency of CD74HC85MTE4? A: The maximum operating frequency of CD74HC85MTE4 is typically around 50 MHz.

  6. Q: What is the supply voltage range for CD74HC85MTE4? A: CD74HC85MTE4 can operate within a supply voltage range of 2V to 6V.

  7. Q: Can CD74HC85MTE4 handle both active-high and active-low inputs? A: Yes, CD74HC85MTE4 supports both active-high and active-low inputs, providing flexibility in system design.

  8. Q: Does CD74HC85MTE4 have built-in protection against electrostatic discharge (ESD)? A: Yes, CD74HC85MTE4 is designed with ESD protection to ensure reliability in handling static electricity.

  9. Q: Can CD74HC85MTE4 be cascaded for larger bit comparisons? A: Yes, multiple CD74HC85MTE4 ICs can be cascaded together to compare larger bit numbers by connecting the outputs of one IC to the inputs of another.

  10. Q: Is CD74HC85MTE4 available in different package options? A: Yes, CD74HC85MTE4 is available in various package options, such as SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package), to suit different application requirements.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for CD74HC85MTE4.