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74LV393PW,118
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74LV393PW,118

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: Dual 4-bit binary ripple counter with reset
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: This IC is designed to count binary signals and provide a reset function.
  • Packaging/Quantity: The 74LV393PW,118 comes in a reel packaging with 2,500 units per reel.

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Logic Family: LV (Low Voltage)
  • Number of Bits: Dual 4-bit counters
  • Reset Function: Yes
  • Propagation Delay: 7 ns (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The 74LV393PW,118 has a total of 16 pins. Below is the detailed pin configuration:

+---+--+---+ Q0A |1 +--+ 16| VCC Q1A |2 15| Q3B Q2A |3 14| Q2B Q3A |4 13| Q1B CP |5 12| Q0B MRB |6 11| GND GND |7 10| CPB Q0B |8 9| MRA +----------+

Functional Features

  • Dual 4-bit binary ripple counter with individual clock inputs (CPA and CPB).
  • Reset functionality allows clearing the counter to its initial state.
  • Outputs (Q0A-Q3A and Q0B-Q3B) represent the binary count of the input signals.
  • Can be cascaded to create larger counters.

Advantages and Disadvantages

Advantages: - Low voltage operation makes it suitable for battery-powered applications. - Compact TSSOP package allows for space-efficient designs. - Reset function provides flexibility in controlling the counter's state.

Disadvantages: - Propagation delay may limit its use in high-speed applications. - Limited number of bits (4-bit) restricts the maximum count value.

Working Principles

The 74LV393PW,118 operates as a ripple counter, where each flip-flop within the IC divides the incoming clock signal by two. The outputs represent the binary count of the input signals. The reset function allows clearing the counter to its initial state.

Application Field Plans

The 74LV393PW,118 can be used in various digital logic applications, including: - Frequency division and counting circuits - Event sequencing and timing applications - Control systems requiring binary counting functionality

Alternative Models

Here are some alternative models that offer similar functionality: - SN74LV393A: Dual 4-bit binary ripple counter with reset (Texas Instruments) - CD74HC393: High-Speed CMOS Logic Dual 4-Stage Binary Ripple Counter (Texas Instruments) - MC74HC393: Dual 4-Bit Binary Counter (Motorola)

These alternatives can be considered based on specific requirements and availability.

Word Count: 238 words

10 سوال و پاسخ رایج مربوط به کاربرد 74LV393PW,118 در راه حل های فنی را فهرست کنید

Sure! Here are 10 common questions and answers related to the application of 74LV393PW,118 in technical solutions:

  1. Q: What is the function of the 74LV393PW,118? A: The 74LV393PW,118 is a dual 4-bit binary counter that can be used for various counting and sequencing applications.

  2. Q: What is the operating voltage range of the 74LV393PW,118? A: The 74LV393PW,118 operates within a voltage range of 1.65V to 5.5V.

  3. Q: How many inputs does the 74LV393PW,118 have? A: The 74LV393PW,118 has two independent clock inputs (CP0 and CP1) and two asynchronous reset inputs (MR0 and MR1).

  4. Q: Can the 74LV393PW,118 be cascaded to create larger counters? A: Yes, multiple 74LV393PW,118 ICs can be cascaded together to create larger counters by connecting the carry output (TC) of one IC to the clock input (CP0 or CP1) of the next IC.

  5. Q: What is the maximum clock frequency supported by the 74LV393PW,118? A: The 74LV393PW,118 can operate at a maximum clock frequency of 125 MHz.

  6. Q: Does the 74LV393PW,118 have any built-in glitch-free outputs? A: No, the outputs of the 74LV393PW,118 may exhibit glitches during transitions. Additional circuitry may be required to eliminate glitches if necessary.

  7. Q: Can the 74LV393PW,118 be used in both synchronous and asynchronous counting modes? A: Yes, the 74LV393PW,118 can be used in both synchronous and asynchronous counting modes depending on the clock inputs and reset inputs used.

  8. Q: What is the power supply current consumption of the 74LV393PW,118? A: The power supply current consumption of the 74LV393PW,118 typically ranges from 2 mA to 10 mA, depending on the operating conditions.

  9. Q: Are there any specific precautions to consider when using the 74LV393PW,118? A: It is important to ensure that the voltage levels applied to the inputs of the 74LV393PW,118 are within the specified range to prevent damage to the IC.

  10. Q: Can the 74LV393PW,118 be used in battery-powered applications? A: Yes, the 74LV393PW,118 can operate at low voltages and has a low power consumption, making it suitable for battery-powered applications.

Please note that these answers are general and may vary depending on the specific application and requirements.