SN74ALS244CDBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: SSOP-20
• Essence: TTL-compatible octal buffer/line driver
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: 0V to 0.8V
• High-Level Output Voltage: 2.4V to VCC
• Low-Level Output Voltage: 0V to 0.4V
• Maximum Operating Frequency: 24MHz
• Propagation Delay Time: 6ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALS244CDBR has a total of 20 pins arranged as follows:

1. GND (Ground)
2. A1 (Input A1)
3. B1 (Input B1)
4. Y1 (Output Y1)
5. A2 (Input A2)
6. B2 (Input B2)
7. Y2 (Output Y2)
8. A3 (Input A3)
9. B3 (Input B3)
10. Y3 (Output Y3)
11. A4 (Input A4)
12. B4 (Input B4)
13. Y4 (Output Y4)
14. VCC (Positive Power Supply)
15. OE (Output Enable)
16. Y5 (Output Y5)
17. A5 (Input A5)
18. B5 (Input B5)
19. Y6 (Output Y6)
20. A6 (Input A6)

Functional Features

• Non-inverting buffer/line driver
• TTL-compatible inputs and outputs
• High-speed operation
• Low power consumption
• Output enable control for tri-state operation

Advantages and Disadvantages

Advantages: - High-speed performance suitable for time-critical applications - Wide operating voltage range allows compatibility with various systems - Non-inverting nature simplifies signal routing in digital circuits - Low power consumption helps reduce overall system energy requirements

Disadvantages: - Limited output current capability may not be suitable for driving heavy loads - Propagation delay time may introduce timing issues in certain applications - SSOP package may require careful handling during assembly

Working Principles

The SN74ALS244CDBR is an octal buffer/line driver that operates as a non-inverting amplifier. It takes input signals from the A1 to A6 pins and provides corresponding buffered outputs on the Y1 to Y6 pins. The OE pin controls the output enable function, allowing the device to be put into a high-impedance state when necessary.

Detailed Application Field Plans

The SN74ALS244CDBR is commonly used in various digital systems where buffering or line driving is required. Some typical application fields include:

1. Microprocessor-based systems
2. Data communication networks
3. Industrial automation equipment
4. Automotive electronics
5. Test and measurement instruments

Detailed and Complete Alternative Models

1. SN74ALS240A: Octal buffer/line driver with tri-state outputs
2. SN74LS244: Octal buffer/line driver with 3-state outputs
3. SN74HC244: Octal buffer/line driver with CMOS inputs and outputs
4. SN74HCT244: Octal buffer/line driver with CMOS inputs and TTL outputs
5. SN74LVC244A: Octal buffer/line driver with 5V tolerant inputs and outputs

These alternative models offer similar functionality to the SN74ALS244CDBR but may have different characteristics, package options, or voltage compatibility.

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