CD74HC193MT

Product Overview

• Category: Integrated Circuit
• Use: Counter/Divider
• Characteristics: High-Speed, CMOS Logic, 4-Bit Binary Counter with Asynchronous Reset
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The CD74HC193MT is a 4-bit binary counter that can be used as a synchronous up/down counter or as a modulo-16 binary counter. It features an asynchronous reset and high-speed operation.
• Packaging/Quantity: The CD74HC193MT is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC (High-Speed CMOS)
• Number of Bits: 4
• Counting Modes: Up, Down, Modulo-16
• Clock Input: Positive Edge-Triggered
• Asynchronous Reset: Active Low
• Propagation Delay: 13 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CD74HC193MT has a total of 16 pins, which are assigned specific functions:

1. Clock (CP)
2. Enable (ENP)
3. Parallel Load (PL)
4. Data Inputs (D0-D3)
5. Carry Output (CO)
6. Down/Up Control (UP/DN)
7. Asynchronous Reset (MR)
8. Ground (GND)
9. Data Outputs (Q0-Q3)
10. VCC (Positive Power Supply)

Functional Features

• Synchronous Operation: The CD74HC193MT performs counting operations synchronously with the clock signal.
• Up/Down Control: The UP/DN pin determines whether the counter counts up or down.
• Parallel Load: The PL pin allows the counter to be loaded with a specific value in parallel.
• Asynchronous Reset: The MR pin resets the counter to its initial state asynchronously.
• Carry Output: The CO pin provides a carry output for cascading multiple counters.

Advantages and Disadvantages

Advantages: - High-speed operation - Versatile counting modes (up, down, modulo-16) - Asynchronous reset capability - Compact TSSOP package

Disadvantages: - Limited number of bits (4-bit) - Requires external clock signal

Working Principles

The CD74HC193MT operates based on the principles of synchronous digital logic. It counts up or down based on the clock input and the state of the UP/DN control pin. The counter can be loaded with a specific value using the parallel load feature. The asynchronous reset function allows the counter to be reset to its initial state at any time.

Detailed Application Field Plans

The CD74HC193MT is commonly used in various applications, including:

1. Digital Counters: The CD74HC193MT is widely used as a basic building block for designing digital counters in electronic devices such as calculators, frequency dividers, and timers.
2. Industrial Control Systems: It finds application in industrial control systems where precise counting and timing operations are required.
3. Communication Equipment: The CD74HC193MT is utilized in communication equipment for tasks like frequency division and synchronization.
4. Automotive Electronics: It is employed in automotive electronics for applications like speed measurement and event counting.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD74HC193MT include:

1. SN74HC193: This is a similar 4-bit binary counter from Texas Instruments.
2. CD40193: A 4-bit synchronous up/down counter from Texas Instruments.
3. 74LS193: A 4-bit binary counter with asynchronous reset from various manufacturers.

These alternative models can be considered based on specific requirements and availability.

Word count: 536 words