SN74ABTR2245DBRE4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics:
  • Bidirectional voltage-level translation
  • Supports mixed-mode signal operation
  • High-speed, low-power CMOS technology
  • 24-bit wide transceiver with 3-state outputs
• Package: SSOP (Shrink Small Outline Package)
• Essence: The SN74ABTR2245DBRE4 is a level shifter and bus transceiver integrated circuit designed to facilitate voltage-level translation between different logic families.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range (V_I): 0 V to V_CC
• Output Voltage Range (V_O): 0 V to V_CC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay (t_PD): 7.5 ns (max) at 3.3 V supply
• Output Current (I_O): ±12 mA
• Input Capacitance (C_I): 4 pF (typical)
• Output Capacitance (C_O): 8 pF (typical)

Pin Configuration

The SN74ABTR2245DBRE4 has a total of 24 pins arranged as follows:

___________ | | 1A |1 24| V_CC 2A |2 23| 1B 3A |3 22| 2B 4A |4 21| 3B 5A |5 20| 4B 6A |6 19| 5B 7A |7 18| 6B 8A |8 17| 7B 9A |9 16| 8B 10A |10 15| 9B 11A |11 14| 10B 12A |12 13| GND |___________|

Functional Features

• Bidirectional voltage-level translation between two logic families
• Supports mixed-mode signal operation, allowing interfacing between different voltage domains
• High-speed operation with low power consumption
• 3-state outputs for bus-oriented applications

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Wide supply voltage range allows compatibility with various systems
• Fast propagation delay ensures efficient data transfer
• Low power consumption helps in reducing overall system energy requirements

Disadvantages

• Limited to 24-bit wide bus transceiver applications
• Requires careful consideration of input and output voltage levels to prevent signal distortion or damage

Working Principles

The SN74ABTR2245DBRE4 operates by translating voltage levels between two logic families. It utilizes a bidirectional level shifter circuitry that enables seamless communication between devices operating at different voltage levels. The device supports mixed-mode signal operation, allowing interfacing between different voltage domains.

The integrated circuit employs high-speed, low-power CMOS technology, ensuring fast data transfer while minimizing power consumption. The 3-state outputs enable bus-oriented applications, where multiple devices can share a common bus line.

Detailed Application Field Plans

The SN74ABTR2245DBRE4 finds applications in various fields, including:

1. Embedded Systems: Facilitating communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: Enabling interfacing between control systems and sensors/actuators with varying voltage requirements.
3. Telecommunications: Supporting voltage-level translation in networking equipment, such as routers and switches.
4. Automotive Electronics: Facilitating communication between different subsystems within a vehicle, which may operate at different voltage levels.

Detailed and Complete Alternative Models

1. SN74ABT2245: Similar functionality with slightly different specifications.
2. SN74LVC4245A: Bi-directional level shifter with 8-bit wide transceiver.
3. SN74LVCH245A: Octal bus transceiver with 3-state outputs.

These alternative models offer similar voltage-level translation capabilities but may have variations in supply voltage range, propagation delay, or package type.

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