SN74ABT244APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation and signal buffering
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA
• Propagation Delay Time: 3.8ns (typical)

Detailed Pin Configuration

The SN74ABT244APW has a total of 20 pins, which are arranged as follows:

1. Pin 1: Output 1 (Y1)
2. Pin 2: Output 2 (Y2)
3. Pin 3: Output 3 (Y3)
4. Pin 4: Output 4 (Y4)
5. Pin 5: Output 5 (Y5)
6. Pin 6: Output 6 (Y6)
7. Pin 7: Output 7 (Y7)
8. Pin 8: Output 8 (Y8)
9. Pin 9: GND (Ground)
10. Pin 10: Input 1 (A1)
11. Pin 11: Input 2 (A2)
12. Pin 12: Input 3 (A3)
13. Pin 13: Input 4 (A4)
14. Pin 14: Input 5 (A5)
15. Pin 15: Input 6 (A6)
16. Pin 16: Input 7 (A7)
17. Pin 17: Input 8 (A8)
18. Pin 18: VCC (Supply Voltage)
19. Pin 19: Output Enable (OE)
20. Pin 20: GND (Ground)

Functional Features

• Non-inverting buffer/line driver
• High-speed operation
• Low power consumption
• Wide supply voltage range
• TTL-compatible inputs and outputs
• Output enable control for easy interfacing

Advantages and Disadvantages

Advantages: - Fast propagation delay time - Wide operating temperature range - High output drive capability - Easy to interface with other logic devices

Disadvantages: - Limited number of input/output channels - Requires external pull-up resistors for proper operation

Working Principles

The SN74ABT244APW is a non-inverting buffer/line driver that translates logic levels between different voltage domains. It operates by receiving input signals and amplifying them to provide corresponding output signals. The device uses TTL-compatible inputs and outputs, making it compatible with various logic families. The output enable pin allows for easy control of the output state.

Detailed Application Field Plans

The SN74ABT244APW finds applications in various fields, including:

1. Microprocessor systems
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

In microprocessor systems, the IC is used for level shifting and signal buffering between different components. In data communication systems, it helps in interfacing between different voltage domains, ensuring reliable data transmission. In industrial automation and automotive electronics, it aids in controlling and driving various sensors and actuators. In consumer electronics, it is utilized for logic level translation and signal buffering in audio/video equipment, gaming consoles, and more.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN74ABT244APW are:

1. 74HC244: CMOS logic level shifter/buffer
2. CD74ACT244: Advanced CMOS buffer/line driver
3. SN74LVC244A: Low-voltage CMOS buffer/line driver
4. MC74VHC244: High-speed CMOS buffer/line driver

These alternative models offer similar functionality and characteristics, but with slight variations in terms of voltage levels, power consumption, and speed.

In conclusion, the SN74ABT244APW is a high-speed, low-power buffer/line driver IC used for logic level translation and signal buffering. It offers advantages such as fast propagation delay, wide operating temperature range, and high output drive capability. However, it has limitations in terms of input/output channels and requires external pull-up resistors. The IC finds applications in microprocessor systems, data communication, industrial automation, automotive electronics, and consumer electronics. Alternative models like 74HC244, CD74ACT244, SN74LVC244A, and MC74VHC244 can also be considered