CD74HC192E

Product Overview

• Category: Integrated Circuit
• Use: Counter/Divider
• Characteristics: High-Speed, CMOS Logic, 4-Bit Synchronous Up/Down Binary Counter
• Package: DIP (Dual In-line Package)
• Essence: The CD74HC192E is a versatile integrated circuit that can be used as a counter or a divider in various electronic applications.
• Packaging/Quantity: Available in tubes or reels, with quantities varying depending on the supplier.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC (High-Speed CMOS)
• Number of Bits: 4
• Counting Modes: Up and Down
• Clock Input: Synchronous
• Output Type: TTL Compatible
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC192E has a total of 16 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. CP (Clock Pulse) - Clock input for counting operation.
2. MR (Master Reset) - Active LOW input used to reset the counter to its initial state.
3. U/D (Up/Down) - Determines the counting direction. HIGH for up-counting, LOW for down-counting.
4. PE (Parallel Enable) - When HIGH, allows parallel loading of the preset value into the counter.
5. QA-QD (Outputs) - Four output pins representing the binary count value.
6. GND (Ground) - Common ground reference for the IC.
7. QD (Output) - Least significant bit (LSB) output.
8. QC (Output) - Second least significant bit output.
9. QB (Output) - Second most significant bit output.
10. QA (Output) - Most significant bit (MSB) output.
11. VCC (Supply Voltage) - Positive power supply input. 12-16. NC (No Connection) - These pins are not connected and left unused.

Functional Features

• Synchronous Operation: The CD74HC192E operates synchronously with the clock signal, ensuring accurate counting.
• Up/Down Counting: It can count both upwards and downwards based on the state of the U/D pin.
• Parallel Loading: The counter can be loaded with a preset value in parallel when the PE pin is activated.
• TTL Compatibility: The outputs are TTL compatible, allowing easy integration with other TTL logic circuits.
• High-Speed Operation: The HC logic family ensures high-speed operation, making it suitable for time-critical applications.

Advantages and Disadvantages

Advantages: - Versatile functionality as a counter or divider. - Wide operating voltage range. - High-speed operation. - Easy integration with other TTL logic circuits.

Disadvantages: - Limited number of bits (4-bit). - Requires an external clock source.

Working Principles

The CD74HC192E is a synchronous counter that uses flip-flops to store and propagate the count value. The clock pulse triggers the flip-flops, causing them to change their states and increment or decrement the count based on the U/D input. The outputs represent the binary count value, which can be used for further processing or display.

Detailed Application Field Plans

The CD74HC192E can be applied in various electronic systems that require counting or dividing functionality. Some potential application fields include:

1. Frequency Dividers: Used to divide the frequency of an input signal by a specific factor.
2. Digital Timers: Providing accurate timing and interval measurement capabilities.
3. Industrial Control Systems: Counting and monitoring production cycles or events.
4. Digital Counters: Used in electronic devices to keep track of occurrences or events.
5. Sequential Logic Circuits: Building blocks for more complex sequential circuits.

Detailed and Complete Alternative Models

1. CD74HC193E: Similar to CD74HC192E but with additional features like asynchronous parallel loading and carry output.
2. CD40192BE: A 4-bit synchronous up/down counter with similar functionality but belonging to the CMOS 4000 series.
3. SN74LS192N: A TTL-compatible 4-bit binary up/down counter with synchronous operation.

These alternative models offer similar functionality to the CD74HC192E and can be considered as replacements depending on specific requirements and availability.

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