HEF4521BT,652

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Binary counter with a built-in oscillator and 24-stage ripple carry counter
• 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: 20 MHz
• Number of Stages: 24
• Output Type: CMOS (Complementary Metal-Oxide-Semiconductor)

Detailed Pin Configuration

The HEF4521BT,652 IC has a total of 16 pins. The pin configuration is as follows:

1. VDD - Positive supply voltage
2. Q4 - Output stage 4
3. Q5 - Output stage 5
4. Q6 - Output stage 6
5. Q7 - Output stage 7
6. Q8 - Output stage 8
7. Q9 - Output stage 9
8. Q10 - Output stage 10
9. Q11 - Output stage 11
10. Q12 - Output stage 12
11. Q13 - Output stage 13
12. Q14 - Output stage 14
13. Q15 - Output stage 15
14. Q16 - Output stage 16
15. GND - Ground
16. CP - Clock input

Functional Features

• Built-in oscillator for clock generation
• Ripple carry counter with 24 stages
• Outputs available at each stage
• Reset function to clear the counter
• Low power consumption
• High-speed operation

Advantages and Disadvantages

Advantages: - Integrated oscillator eliminates the need for an external clock source - Multiple outputs provide flexibility in system design - Low power consumption makes it suitable for battery-powered applications

Disadvantages: - Limited number of stages (24) - Not suitable for applications requiring a higher count range

Working Principles

The HEF4521BT,652 is a binary counter with a built-in oscillator. The oscillator generates clock pulses that drive the counter. Each clock pulse increments the counter by one. The counter has 24 stages and a ripple carry output. The outputs at each stage represent the binary count value. The counter can be reset to zero using the reset function.

Detailed Application Field Plans

The HEF4521BT,652 IC finds applications in various fields, including:

1. Digital frequency division
2. Timekeeping circuits
3. Event counting
4. Industrial automation
5. Electronic games
6. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the HEF4521BT,652 IC are:

1. CD4521BE - CMOS Programmable Divide-By-N Counter
2. MC14521B - Binary Up/Down Counter
3. SN74LS192 - Synchronous 4-Bit Up/Down Decade Counter

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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