CD74HCT193EG4

Product Overview

• Category: Integrated Circuit
• Use: Counter/Divider
• Characteristics: High-Speed, CMOS Logic, 4-Bit Binary Counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74HCT193EG4 is a 4-bit binary counter that can be used in various applications requiring counting or dividing functions.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT (High-Speed CMOS)
• Number of Bits: 4
• Maximum Clock Frequency: 25 MHz
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±4 mA
• Propagation Delay: 15 ns (typical)

Detailed Pin Configuration

The CD74HCT193EG4 has a total of 16 pins. Here is the detailed pin configuration:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CPD (Count Enable Parallel Input)
4. A (Binary Input A)
5. B (Binary Input B)
6. C (Binary Input C)
7. D (Binary Input D)
8. QD (Output QD)
9. QC (Output QC)
10. QB (Output QB)
11. QA (Output QA)
12. GND (Ground)
13. VCC (Positive Power Supply)
14. RC (Ripple Carry Output)
15. TC (Terminal Count Output)
16. CP (Count Enable Input)

Functional Features

• Up/Down Counting: The CD74HCT193EG4 can count up or down based on the input signals.
• Synchronous Operation: The counter operates synchronously with the clock signal.
• Parallel Load: The counter can be loaded with a specific value in parallel using the CPD input.
• Ripple Carry Output: The RC output provides a carry signal for cascading multiple counters.
• Terminal Count Output: The TC output indicates when the counter reaches its maximum count.

Advantages and Disadvantages

Advantages

• High-Speed Operation: The HCT logic family allows for fast counting operations.
• Versatility: The CD74HCT193EG4 can be used in various applications requiring counting or dividing functions.
• Easy Integration: The small outline package (SOIC) makes it easy to integrate into different circuit designs.

Disadvantages

• Limited Bit Count: The CD74HCT193EG4 is a 4-bit counter, which may not be suitable for applications requiring higher bit counts.
• Power Consumption: As a CMOS device, it consumes some power even when not actively counting.

Working Principles

The CD74HCT193EG4 operates based on the principles of synchronous binary counting. It uses flip-flops to store the current count value and updates it based on the clock signal. The counter can count up or down depending on the input signals. The CPD input allows for parallel loading of a specific count value. The RC output provides a carry signal for cascading multiple counters, while the TC output indicates when the counter reaches its maximum count.

Detailed Application Field Plans

The CD74HCT193EG4 can be used in various applications that require counting or dividing functions. Some potential application fields include:

1. Frequency Division: The counter can be used to divide an input frequency by a specific factor.
2. Event Counting: It can be used to count events or pulses in systems such as industrial automation or digital communication.
3. Time Delay Generation: By combining multiple counters, precise time delays can be generated.
4. Address Generation: The counter can be used to generate addresses in memory or peripheral interfacing applications.

Detailed and Complete Alternative Models

1. CD74HCT190E: 4-Bit Synchronous Up/Down Decade Counter
2. CD40193BE: Presettable Binary Up/Down Counter
3. SN74LS193N: Synchronous 4-Bit Binary Up/Down Counters

These alternative models offer similar functionality to the CD74HCT193EG4 and can be considered as alternatives based on specific requirements.

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