SN74ABTH16245DGGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, bidirectional, 16-bit transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Facilitates bidirectional data transfer between two buses with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Logic Family: ABT
• Voltage Level Translation: 3.3V to 5V
• Input/Output Type: Tri-State
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4.5V to 5.5V
• Propagation Delay Time: 2.8 ns (typical)
• Output Drive Strength: ±12 mA

Detailed Pin Configuration

The SN74ABTH16245DGGR has a total of 48 pins, which are divided into four groups:

1. Group A (pins 1-12): Contains the input/output pins for Port A.
2. Group B (pins 13-24): Contains the input/output pins for Port B.
3. Group C (pins 25-36): Contains the control pins for Port A.
4. Group D (pins 37-48): Contains the control pins for Port B.

Each pin serves a specific function, such as data input, data output, or control signal input. The pin configuration ensures proper communication between the two buses.

Functional Features

1. Bidirectional Data Transfer: Enables data transmission in both directions between two buses.
2. Voltage Level Translation: Allows interfacing between buses operating at different voltage levels.
3. Tri-State Outputs: Provides high impedance state when not actively transmitting data.
4. ESD Protection: Incorporates built-in protection against electrostatic discharge, enhancing reliability.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Bidirectional communication - Voltage level translation capability - Tri-State outputs for bus isolation - ESD protection for improved reliability

Disadvantages: - Limited to 16-bit data transmission - Requires careful consideration of voltage compatibility between buses

Working Principles

The SN74ABTH16245DGGR operates as a bidirectional bus transceiver by utilizing a combination of input/output buffers and control circuitry. When the control signals are appropriately set, data can flow in either direction between Port A and Port B. The voltage level translation feature ensures compatibility between buses operating at different voltage levels.

Detailed Application Field Plans

1. Microcontroller Interfacing: The SN74ABTH16245DGGR can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Data Acquisition Systems: It can facilitate data transfer between sensors and processing units with varying voltage requirements, ensuring accurate and reliable data acquisition.
3. Industrial Automation: The transceiver can be employed in industrial automation systems to enable communication between different subsystems operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74ABT16245A: Similar 16-bit bidirectional bus transceiver with tri-state outputs, but operates at a lower voltage range (2.7V to 3.6V).
2. SN74LVC16245A: Another 16-bit bidirectional bus transceiver with voltage level translation capability, but designed for low-voltage applications (1.65V to 3.6V).
3. SN74HCT245: An 8-bit bidirectional bus transceiver without voltage level translation, suitable for applications where voltage compatibility is not required.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. It is essential to consult the respective datasheets for detailed information.)

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