HEF4520BT,653

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Dual 4-bit binary counter with reset
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3V to 15V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 25 MHz
• Number of Counting Stages: 2
• Reset Function: Available
• Output Type: Standard

Detailed Pin Configuration

1. VDD: Positive supply voltage
2. GND: Ground reference
3. MR: Master reset input
4. CP: Clock pulse input
5. Q0: Least significant bit output
6. Q1: Most significant bit output
7. Q2: Not connected (NC)
8. Q3: Not connected (NC)

Functional Features

• Dual 4-bit binary counter with synchronous reset
• High-speed operation allows for efficient counting
• Low power consumption makes it suitable for battery-powered devices
• Synchronous reset enables easy initialization of the counter
• Outputs can be cascaded to create larger counters

Advantages

• Fast counting capability due to high-speed operation
• Low power consumption extends battery life in portable applications
• Synchronous reset simplifies counter initialization process
• Compact SOIC package offers space-saving benefits

Disadvantages

• Limited number of counting stages (2 in this case)
• Not suitable for applications requiring a large number of bits
• May require additional circuitry for complex counting sequences

Working Principles

The HEF4520BT,653 is a dual 4-bit binary counter with synchronous reset. It operates by counting clock pulses applied to the CP input. The counter advances its state on each rising edge of the clock signal. When the master reset (MR) input is activated, the counter is asynchronously reset to its initial state. The outputs (Q0-Q3) represent the current count value in binary format.

Detailed Application Field Plans

• Frequency division: The HEF4520BT,653 can be used to divide an input clock frequency by a factor of 16 (2^4). This is useful in applications where a lower frequency signal is required.
• Event timing: The counter can be utilized to measure the duration of events by counting clock pulses within a specific time window.
• Digital systems: It can be employed as a basic building block in digital systems for various purposes such as address generation, sequence control, and data processing.

Detailed and Complete Alternative Models

• CD4520B: Similar dual 4-bit binary counter with synchronous reset, available in different package options.
• SN74LS163: 4-bit synchronous binary counter with parallel load, suitable for more complex counting applications.
• MC14040B: 12-stage binary ripple counter, offers a higher number of counting stages for extended counting capabilities.

Note: The above alternatives are just a few examples; there are numerous other models available from different manufacturers.

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