Encyclopedia Entry: 74AC299MTC

Product Overview

Category

The 74AC299MTC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for data storage and manipulation.

Characteristics

• The 74AC299MTC is a 8-bit universal shift/storage register.
• It operates on a wide supply voltage range, typically between 2V and 6V.
• This IC offers high-speed operation and low power consumption.
• It has a compact package size, making it suitable for space-constrained applications.

Package and Quantity

The 74AC299MTC is available in a small outline surface mount package (TSSOP) with 20 pins. It is typically sold in reels or tubes containing multiple units.

Essence

The essence of the 74AC299MTC lies in its ability to store and manipulate digital data efficiently within electronic systems.

Specifications

• Supply Voltage Range: 2V - 6V
• Logic Family: Advanced CMOS (AC)
• Number of Bits: 8
• Package Type: TSSOP
• Pin Count: 20
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74AC299MTC has 20 pins, each serving a specific function:

1. CP (Clock Pulse) - Clock input for shifting data.
2. DS (Serial Data) - Serial data input.
3. SH/LD (Shift/Load) - Shift/load control input.
4. OE (Output Enable) - Output enable control input.
5. Q0-Q7 (Parallel Outputs) - Parallel output pins.
6. GND (Ground) - Ground reference.
7. Q7' (Serial Output) - Serial output pin.
8. VCC (Supply Voltage) - Positive supply voltage.

Functional Features

• Shift/Load Control: The SH/LD input determines whether the data is shifted or loaded into the register.
• Output Enable: The OE input enables or disables the parallel outputs.
• Serial Input/Output: The DS and Q7' pins facilitate serial data transfer.
• Parallel Outputs: The Q0-Q7 pins provide parallel output of stored data.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data manipulation.
• Wide supply voltage range enhances compatibility with various systems.
• Low power consumption contributes to energy efficiency.
• Compact package size enables space-saving designs.

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage capacity.
• Sensitivity to electrostatic discharge (ESD) requires proper handling during installation and usage.

Working Principles

The 74AC299MTC operates based on the principles of digital logic circuits. It utilizes clock signals, control inputs, and internal circuitry to shift or load data into the register. The parallel outputs provide access to the stored data, while the serial input/output facilitates data transfer between the IC and other components within the system.

Detailed Application Field Plans

The 74AC299MTC finds application in various digital electronic systems, including but not limited to: - Data communication devices - Microcontrollers - Computer peripherals - Industrial automation equipment - Consumer electronics

Alternative Models

Several alternative models can be considered as substitutes for the 74AC299MTC, depending on specific requirements and compatibility. Some notable alternatives include: - 74HC299: Similar functionality, but operates at a higher voltage range (2V - 6V). - CD74ACT299: Compatible with AC and ACT logic families, offering improved noise immunity. - SN74LV299A: Low-voltage variant with reduced power consumption.

These alternative models provide similar functionality and can be used as replacements based on specific system requirements.

In conclusion, the 74AC299MTC is a versatile 8-bit universal shift/storage register IC. Its high-speed operation, low power consumption, and compact package make it suitable for various digital electronic systems. However, its limited bit capacity and sensitivity to ESD should be considered when selecting this IC for specific applications.