74LV393D-Q100J

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual 4-bit Binary Ripple Counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-speed CMOS technology
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V (minimum), VCC + 0.5V (maximum)
• Low-Level Input Voltage: -0.3V (minimum), 0.8V (maximum)
• High-Level Output Voltage: VCC - 0.7V (minimum), VCC (maximum)
• Low-Level Output Voltage: 0.1V (minimum), 0.4V (maximum)
• Maximum Operating Frequency: 125 MHz

Detailed Pin Configuration

The 74LV393D-Q100J has a total of 14 pins:

1. CP1: Clock input for counter 1
2. CP2: Clock input for counter 2
3. MR: Master Reset input (active LOW)
4. Q0: Output for counter 1, least significant bit
5. Q1: Output for counter 1, second least significant bit
6. Q2: Output for counter 1, third least significant bit
7. Q3: Output for counter 1, most significant bit
8. GND: Ground
9. Q3: Output for counter 2, most significant bit
10. Q2: Output for counter 2, third least significant bit
11. Q1: Output for counter 2, second least significant bit
12. Q0: Output for counter 2, least significant bit
13. VCC: Positive power supply
14. CP1/CP2: Clock input for both counters (common clock)

Functional Features

• Dual 4-bit binary ripple counter with separate clock inputs for each counter
• Asynchronous master reset to clear the counter to zero
• High-speed operation due to CMOS technology
• Wide supply voltage range allows compatibility with various systems
• Low power consumption

Advantages and Disadvantages

Advantages: - Dual counters provide flexibility in digital logic applications - Separate clock inputs allow independent counting operations - Asynchronous master reset enables easy initialization of the counters - High-speed operation ensures efficient performance - Wide supply voltage range enhances compatibility

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts - Ripple counter design can introduce propagation delays

Working Principles

The 74LV393D-Q100J is a dual 4-bit binary ripple counter that utilizes high-speed CMOS technology. It consists of two separate counters, each capable of counting up to 16 different states. The counters operate asynchronously, meaning they can count independently based on their respective clock inputs.

The counters increment by one on each rising edge of the clock signal. When the maximum count value is reached (15 for a 4-bit counter), the counters reset to zero. This reset can be achieved by applying a LOW signal to the master reset (MR) input.

The outputs of the counters represent the binary values of the current count. The least significant bit (Q0) is the first output, followed by Q1, Q2, and Q3 as the most significant bit. These outputs can be used for further processing or connected to other digital logic components.

Detailed Application Field Plans

The 74LV393D-Q100J is commonly used in various digital systems and applications, including:

1. Frequency Division: The counters can be used to divide the frequency of an input signal by powers of 2, allowing for frequency scaling or synchronization.
2. Event Counting: The counters can keep track of the number of events or occurrences in a system, such as counting pulses or detecting specific patterns.
3. Time Delay Generation: By utilizing the clock inputs and appropriate control logic, the counters can generate precise time delays for various purposes.
4. Address Decoding: The binary outputs of the counters can be used for address decoding in memory or peripheral interfacing applications.

Detailed and Complete Alternative Models

1. 74HC393: Similar dual 4-bit binary ripple counter with higher operating frequency (up to 133 MHz) and wider supply voltage range (2V to 6V).
2. CD40161B: 4-bit synchronous binary counter with parallel load capability, suitable for applications requiring synchronous counting operations.
3. SN74LS93: 4-bit binary ripple counter with asynchronous clear and higher operating temperature range (-55°C to 125°C), suitable for harsh environments.

(Note: These alternative models are provided as examples and may not cover all available