CD74HCT93EG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, CMOS logic, 4-bit binary ripple counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HCT93EG4 is a counter IC that can count from 0 to 15 in binary format.
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Supply Voltage Range: 2V to 6V
• High-Speed Operation: 74HCT Series
• Maximum Clock Frequency: 25 MHz
• Number of Counting Stages: 4
• Output Drive Capability: 10 LSTTL Loads
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HCT93EG4 has a total of 14 pins. Here is the detailed pin configuration:

1. CLK (Clock Input)
2. RCO (Ripple Carry Output)
3. Q0 (Least Significant Bit Output)
4. Q1 (Second Bit Output)
5. Q2 (Third Bit Output)
6. Q3 (Most Significant Bit Output)
7. GND (Ground)
8. Q3 (Most Significant Bit Output)
9. Q2 (Third Bit Output)
10. Q1 (Second Bit Output)
11. Q0 (Least Significant Bit Output)
12. RCO (Ripple Carry Output)
13. CLK (Clock Input)
14. VCC (Supply Voltage)

Functional Features

• Binary Ripple Counter: The CD74HCT93EG4 is a 4-bit binary ripple counter that can count from 0 to 15.
• High-Speed Operation: It operates at high clock frequencies up to 25 MHz.
• CMOS Logic: The IC uses CMOS technology, which provides low power consumption and high noise immunity.
• Ripple Carry Output: The RCO pin provides a carry output signal when the counter reaches its maximum value.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting. - CMOS logic ensures low power consumption. - Compact SOIC package saves space on PCBs. - Wide supply voltage range makes it versatile.

Disadvantages: - Limited counting range (0 to 15). - Requires an external clock signal for operation.

Working Principles

The CD74HCT93EG4 is a synchronous counter that uses a binary ripple counting technique. It counts from 0 to 15 in binary format. The CLK input provides the clock signal, which triggers the counter to increment its count. Each rising edge of the clock causes the counter to advance by one count. When the counter reaches its maximum value (15), the RCO pin generates a carry output signal. The counter can be reset to 0 by applying a reset signal to the appropriate pin.

Detailed Application Field Plans

The CD74HCT93EG4 can be used in various applications that require counting or sequencing. Some potential application fields include:

1. Digital Clocks: The IC can be used to drive the display of digital clocks, counting the seconds, minutes, or hours.
2. Frequency Dividers: It can divide the frequency of an input signal by a factor of 16, making it useful in frequency division circuits.
3. Industrial Automation: The counter can be employed in industrial automation systems for counting pulses or events.
4. Traffic Light Control: It can be utilized in traffic light control systems to sequence the lights' timing.

Detailed and Complete Alternative Models

1. CD4017BE: This is a decade counter IC that can count from 0 to 9. It has 10 outputs and can be cascaded for larger counting ranges.
2. CD4020B: This is a 14-stage binary counter that can count up to 16383. It has a built-in oscillator and can be used as a frequency divider.

These alternative models provide different counting ranges and additional features, depending on the specific requirements of the application.

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