SN74ALVC244NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: 20-pin small-outline integrated circuit (SOIC)
• Essence: Logic level translation and signal buffering
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Propagation Delay: 2.5ns (typical)
• Output Drive Capability: ±24mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVC244NSR has a total of 20 pins, which are arranged as follows:

1. A1 - Input 1
2. Y1 - Output 1
3. A2 - Input 2
4. Y2 - Output 2
5. GND - Ground
6. Y3 - Output 3
7. A3 - Input 3
8. Y4 - Output 4
9. A4 - Input 4
10. VCC - Power supply
11. OE - Output enable
12. Y5 - Output 5
13. A5 - Input 5
14. Y6 - Output 6
15. A6 - Input 6
16. Y7 - Output 7
17. A7 - Input 7
18. Y8 - Output 8
19. A8 - Input 8
20. GND - Ground

Functional Features

• Non-inverting buffer with 3-state outputs
• High-speed operation suitable for various applications
• Low power consumption for energy-efficient designs
• Wide supply voltage range allows compatibility with different systems
• 3-state output allows multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption prolongs battery life in portable devices - Wide supply voltage range provides flexibility in system design - 3-state output allows for bus sharing and reduces conflicts

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Non-inverting nature may require additional circuitry for certain applications

Working Principles

The SN74ALVC244NSR is a non-inverting buffer that translates logic levels and provides signal buffering. It operates by receiving input signals and amplifying them to the appropriate voltage levels. The 3-state output allows the device to be effectively disconnected from the bus when not in use, preventing conflicts and enabling multiple devices to share the same bus.

Detailed Application Field Plans

The SN74ALVC244NSR is commonly used in various applications, including:

1. Microprocessor and microcontroller interfacing
2. Data communication systems
3. Memory address and data bus buffering
4. Level shifting between different logic families
5. Signal amplification and isolation

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar functionality with lower power consumption
2. SN74HCT244: Higher output drive capability but slower operation
3. SN74LVCH244A: Lower voltage operation with similar characteristics
4. SN74ACT244: Faster operation but higher power consumption

These alternative models provide options based on specific requirements such as power consumption, speed, voltage range, and output drive capability.

In conclusion, the SN74ALVC244NSR is a versatile integrated circuit that serves as a buffer and line driver. Its high-speed operation, low power consumption, and wide supply voltage range make it suitable for various applications. The 3-state output allows for efficient bus sharing, while alternative models provide flexibility based on specific needs.