74HC193D,653

Product Overview

Category

The 74HC193D,653 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as counters and registers.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL levels
• Schmitt-trigger action on all inputs

Package

The 74HC193D,653 is available in a small outline package (SO) with 16 pins.

Essence

The essence of the 74HC193D,653 lies in its ability to perform synchronous binary counting and parallel loading operations.

Packaging/Quantity

The 74HC193D,653 is typically packaged in reels or tubes, with a quantity of 2500 units per reel or 50 units per tube.

Specifications

• Supply voltage: 2V to 6V
• Operating temperature range: -40°C to +125°C
• Maximum clock frequency: 25 MHz
• Maximum propagation delay: 20 ns
• Input current: ±1 µA
• Output current: ±4 mA

Detailed Pin Configuration

The 74HC193D,653 has 16 pins, which are labeled as follows:

1. MR (Master Reset)
2. CP (Clock Pulse)
3. A (Parallel Load Input A)
4. B (Parallel Load Input B)
5. C (Parallel Load Input C)
6. D (Parallel Load Input D)
7. QA (Output Q0)
8. QB (Output Q1)
9. QC (Output Q2)
10. QD (Output Q3)
11. GND (Ground)
12. QD' (Inverted Output Q3)
13. QC' (Inverted Output Q2)
14. QB' (Inverted Output Q1)
15. QA' (Inverted Output Q0)
16. VCC (Supply Voltage)

Functional Features

The 74HC193D,653 offers the following functional features:

• Synchronous counting: The IC can perform binary counting in sync with clock pulses.
• Parallel loading: It allows parallel loading of data into the counter.
• Asynchronous master reset: The counter can be reset to a predefined state using the master reset input.
• Carry output: The IC provides a carry output for cascading multiple counters.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient counting and data loading.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range allows compatibility with various systems.
• Schmitt-trigger action on inputs ensures reliable operation in noisy environments.

Disadvantages

• Limited maximum clock frequency may restrict its use in high-speed applications.
• Propagation delay of 20 ns may introduce timing issues in certain designs.

Working Principles

The 74HC193D,653 operates based on synchronous counting principles. When clock pulses are applied, the counter increments or decrements its value based on the input signals. The parallel load inputs allow the counter to be loaded with specific values. The master reset input resets the counter to a predefined state. The carry output facilitates cascading multiple counters for extended counting capabilities.

Detailed Application Field Plans

The 74HC193D,653 finds applications in various fields, including: - Digital frequency dividers - Event counters - Industrial automation - Communication systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC193D,653 include: - CD40193 - SN74LS193 - MC74HC193

These alternatives can be considered based on specific requirements and availability.

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