SN74ALS299NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage and Transfer
• Characteristics: High-speed, 8-bit Universal Shift/Storage Register
• Package: 20-pin Small Outline Integrated Circuit (SOIC)
• Essence: Serial-to-Parallel and Parallel-to-Serial Conversion
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: ALS
• Number of Bits: 8
• Operating Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 10ns
• Output Current: ±24mA
• Input Voltage Levels: TTL Compatible

Detailed Pin Configuration

1. SER (Serial Data Input)
2. CLK (Clock Input)
3. G (Enable Input)
4. QH' (Serial Output)
5. QA-QH (Parallel Outputs)
6. VCC (Positive Power Supply)
7. QH (Serial Output)
8. MR (Master Reset)
9. D (Parallel Data Inputs)
10. CP (Parallel Load Clock)
11. QH (Serial Output)
12. QH' (Serial Output)
13. QH (Serial Output)
14. QH' (Serial Output)
15. QH (Serial Output)
16. QH' (Serial Output)
17. QH (Serial Output)
18. QH' (Serial Output)
19. GND (Ground)
20. QH' (Serial Output)

Functional Features

• Universal shift register with parallel load capability
• Serial-to-parallel and parallel-to-serial conversion
• Synchronous operation with a single clock input
• Asynchronous master reset for clearing the register
• High-speed operation with low propagation delay
• TTL compatible input voltage levels
• Buffered outputs for driving external loads

Advantages and Disadvantages

Advantages

• Versatile functionality for data storage and transfer applications
• High-speed operation allows for quick data processing
• Synchronous operation ensures accurate timing control
• Buffered outputs provide strong driving capability
• Wide operating temperature range for various environments

Disadvantages

• Limited to 8-bit data storage and transfer
• Requires external clock signal for proper operation
• Not suitable for low-power or battery-operated devices

Working Principles

The SN74ALS299NSR is a high-speed, 8-bit universal shift/storage register. It can perform serial-to-parallel and parallel-to-serial conversion of data. The register operates synchronously with a single clock input, allowing for precise timing control. It also features an asynchronous master reset input that clears the register to its initial state.

Data can be loaded into the register in parallel using the parallel load clock (CP) input. Once the data is loaded, it can be shifted out serially through the QH' and QH outputs. The register can also receive serial data through the SER input and shift it in parallel to the QA-QH outputs.

The buffered outputs of the SN74ALS299NSR provide strong driving capability, making it suitable for driving external loads such as LEDs, displays, or other logic circuits.

Detailed Application Field Plans

The SN74ALS299NSR can be used in various applications that require data storage and transfer. Some potential application fields include:

1. Communication Systems: Used for serial-to-parallel and parallel-to-serial conversion in data communication systems.
2. Data Processing: Enables efficient data storage and transfer in microprocessors and digital signal processors.
3. Display Systems: Drives LED or LCD displays by converting serial data into parallel data.
4. Control Systems: Provides shift register functionality for control signals in industrial automation systems.

Detailed and Complete Alternative Models

1. SN74ALS298NSR: 8-bit universal shift/storage register with asynchronous parallel load capability.
2. SN74ALS297NSR: 8-bit universal shift/storage register with serial-in/serial-out functionality.
3. SN74ALS295NSR: 8-bit universal shift/storage register with parallel-in/serial-out functionality.

These alternative models offer similar functionality to the SN74ALS299NSR but may have different features or specifications that cater to specific application requirements.

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