SN74BCT244DBRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, non-inverting, tri-state
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level translation and signal buffering
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74BCT244DBRG4 has a total of 20 pins arranged in a dual-inline package (DIP). The pin configuration is 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. GND (Ground)
9. Y3 (Output Y3)
10. B3 (Input B3)
11. A3 (Input A3)
12. OE (Output Enable)
13. Y4 (Output Y4)
14. B4 (Input B4)
15. A4 (Input A4)
16. Vcc (Supply Voltage)
17. GND (Ground)
18. A5 (Input A5)
19. B5 (Input B5)
20. Y5 (Output Y5)

Functional Features

• Non-inverting buffer with tri-state outputs
• High-speed operation for efficient signal transmission
• Logic level translation between different voltage domains
• Output enable (OE) pin for controlling the tri-state outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick signal propagation - Tri-state outputs provide flexibility in bus sharing applications - Logic level translation enables interfacing between different voltage levels

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Requires external pull-up or pull-down resistors for proper operation

Working Principles

The SN74BCT244DBRG4 is a non-inverting buffer with tri-state outputs. It operates by receiving input signals on the A1-A5 and B1-B5 pins, which are then buffered and amplified. The output signals appear on the Y1-Y5 pins. The OE pin controls the tri-state outputs, allowing them to be enabled or disabled.

Detailed Application Field Plans

The SN74BCT244DBRG4 is commonly used in various applications, including:

1. Microprocessor/Controller Interfacing: It facilitates communication between microprocessors/controllers operating at different voltage levels.
2. Data Bus Buffering: It acts as a buffer between data buses, ensuring reliable and efficient data transfer.
3. Level Shifting: It enables interfacing between devices with different logic voltage levels, such as 3.3V and 5V systems.
4. Address/Data Line Buffering: It provides buffering and amplification for address and data lines in memory and peripheral interfaces.
5. Bus Sharing: It allows multiple devices to share a common bus by using the tri-state outputs to control bus access.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN74BCT244DBRG4 include:

1. SN74LV244A: Low-voltage version with similar functionality but operates at lower voltage levels.
2. SN74HCT244: High-speed CMOS version with TTL-compatible inputs and outputs.
3. SN74ACT244: Advanced CMOS version with faster switching speeds and higher output drive capability.

These alternative models offer similar functionality but may have different voltage ranges, speed characteristics, or output capabilities. The choice of the alternative model depends on specific application requirements.

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