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CY74FCT191ATSOCE4
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CY74FCT191ATSOCE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Counter
  • Characteristics: High-speed, low-power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 4-bit synchronous binary up/down counter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 100MHz
  • Number of Counting Bits: 4
  • Counting Modes: Up, Down, or Asynchronous Load
  • Output Type: Tri-State

Detailed Pin Configuration

The CY74FCT191ATSOCE4 has a total of 16 pins. The pin configuration is as follows:

  1. CP (Clock Pulse) - Input
  2. MR (Master Reset) - Input
  3. U/D (Up/Down) - Input
  4. LD (Load) - Input
  5. D0 (Data Bit 0) - Input/Output
  6. D1 (Data Bit 1) - Input/Output
  7. D2 (Data Bit 2) - Input/Output
  8. D3 (Data Bit 3) - Input/Output
  9. Q0 (Output Bit 0) - Output
  10. Q1 (Output Bit 1) - Output
  11. Q2 (Output Bit 2) - Output
  12. Q3 (Output Bit 3) - Output
  13. GND (Ground) - Ground
  14. VCC (Supply Voltage) - Power Supply
  15. TC (Terminal Count) - Output
  16. OE (Output Enable) - Input

Functional Features

  • Synchronous operation with the clock pulse
  • Up, down, or asynchronous load counting modes
  • Tri-state outputs for easy interfacing with other devices
  • Master reset for resetting the counter to zero
  • Terminal count output for indicating when the maximum count is reached

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in various applications - Low-power consumption helps in reducing energy usage - Tri-state outputs simplify integration with other components - Versatile counting modes provide flexibility in different scenarios

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts - Requires an external clock source for operation

Working Principles

The CY74FCT191ATSOCE4 is a synchronous binary up/down counter. It counts up or down based on the input provided at the U/D pin. The counting process is synchronized with the clock pulse (CP) input. The counter can also be loaded asynchronously with a new value using the LD pin.

Detailed Application Field Plans

The CY74FCT191ATSOCE4 is commonly used in various digital applications that require counting functionality. Some of the potential application fields include:

  1. Digital frequency dividers
  2. Event counters in electronic circuits
  3. Industrial automation systems
  4. Communication equipment
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74F191N - 4-bit synchronous up/down counter with parallel load
  2. CD74HCT191E - High-speed CMOS logic 4-bit synchronous up/down counter
  3. MC74HC191N - High-performance silicon-gate CMOS 4-bit synchronous up/down counter

These alternative models offer similar functionality and can be considered as substitutes for the CY74FCT191ATSOCE4 in different applications.

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技術ソリューションにおける CY74FCT191ATSOCE4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of CY74FCT191ATSOCE4 in technical solutions:

  1. Q: What is CY74FCT191ATSOCE4? A: CY74FCT191ATSOCE4 is a synchronous up/down counter integrated circuit (IC) that can be used in various digital applications.

  2. Q: What is the operating voltage range for CY74FCT191ATSOCE4? A: The operating voltage range for CY74FCT191ATSOCE4 is typically between 4.5V and 5.5V.

  3. Q: Can CY74FCT191ATSOCE4 be used as a frequency divider? A: Yes, CY74FCT191ATSOCE4 can be used as a frequency divider by connecting the appropriate clock signal and setting the desired count value.

  4. Q: How many bits does CY74FCT191ATSOCE4 have? A: CY74FCT191ATSOCE4 is a 4-bit counter, meaning it can count up or down from 0 to 15.

  5. Q: What is the maximum clock frequency supported by CY74FCT191ATSOCE4? A: The maximum clock frequency supported by CY74FCT191ATSOCE4 is typically around 100 MHz.

  6. Q: Can CY74FCT191ATSOCE4 be cascaded to create larger counters? A: Yes, multiple CY74FCT191ATSOCE4 ICs can be cascaded together to create larger counters with more bits.

  7. Q: Does CY74FCT191ATSOCE4 have any built-in error detection or correction features? A: No, CY74FCT191ATSOCE4 does not have any built-in error detection or correction features. It is a basic counter IC.

  8. Q: What are the typical applications of CY74FCT191ATSOCE4? A: CY74FCT191ATSOCE4 can be used in various applications such as frequency division, event counting, timekeeping, and digital control systems.

  9. Q: Does CY74FCT191ATSOCE4 require external components for operation? A: Yes, CY74FCT191ATSOCE4 requires an external clock signal, power supply, and appropriate input/output connections for proper operation.

  10. Q: Is CY74FCT191ATSOCE4 available in different package options? A: Yes, CY74FCT191ATSOCE4 is available in different package options such as SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package).

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.