SN74ABT16245ADLR

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

• 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
• Propagation Delay Time: 3.8ns (Max)
• Output Current: ±12mA
• ESD Protection: >2000V

Detailed Pin Configuration

The SN74ABT16245ADLR has a total of 48 pins, which are divided into four groups:

Group A (Pins 1-12)

• Pins 1-4: Port A Data Inputs/Outputs (A1-A4)
• Pins 5-8: Port B Data Inputs/Outputs (B1-B4)
• Pins 9-12: Control Inputs (DIR, OE1, OE2, GND)

Group B (Pins 13-24)

• Pins 13-16: Port A Data Inputs/Outputs (A5-A8)
• Pins 17-20: Port B Data Inputs/Outputs (B5-B8)
• Pins 21-24: Control Inputs (DIR, OE1, OE2, VCC)

Group C (Pins 25-36)

• Pins 25-28: Port A Data Inputs/Outputs (A9-A12)
• Pins 29-32: Port B Data Inputs/Outputs (B9-B12)
• Pins 33-36: Control Inputs (DIR, OE1, OE2, GND)

Group D (Pins 37-48)

• Pins 37-40: Port A Data Inputs/Outputs (A13-A16)
• Pins 41-44: Port B Data Inputs/Outputs (B13-B16)
• Pins 45-48: Control Inputs (DIR, OE1, OE2, VCC)

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• High-speed operation for efficient data transmission
• Non-inverting outputs for accurate signal reproduction
• Output enable and direction control for flexible bus management
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages

• Enables seamless communication between buses with different voltage levels
• High-speed operation minimizes data transfer delays
• Flexible control options for efficient bus management
• Robust ESD protection ensures reliable performance

Disadvantages

• Limited to 16-bit data transfer
• Requires careful consideration of voltage compatibility between buses

Working Principles

The SN74ABT16245ADLR is a bidirectional bus transceiver that facilitates data transfer between two buses operating at different voltage levels. It utilizes non-inverting outputs to accurately reproduce the input signals. The direction control pin (DIR) determines the data flow direction, while the output enable pins (OE1 and OE2) enable or disable the outputs.

When the DIR pin is set to logic high, data flows from Port A to Port B. Conversely, when the DIR pin is set to logic low, data flows from Port B to Port A. The output enable pins allow the user to enable or disable the outputs as needed.

Detailed Application Field Plans

The SN74ABT16245ADLR is commonly used in various applications that require bidirectional data transfer between buses with different voltage levels. Some of the typical application fields include:

1. Industrial Automation: Facilitating communication between control systems operating at different voltage levels.
2. Telecommunications: Enabling data exchange between different network interfaces.
3. Automotive Electronics: Connecting various subsystems with varying voltage requirements.
4. Computer Peripherals: Interfacing between different components within a computer system.

Detailed and Complete Alternative Models

1. SN74ABT16245A: Similar to SN74ABT16245ADLR, but without the TSSOP package option.
2. SN74LVC16245A: A low-voltage version of the transceiver with a wider supply voltage range.
3. SN74HCT245: A TTL-compatible alternative for applications requiring compatibility with TTL logic levels.

These alternative models offer similar functionality and can be considered based on specific application requirements.

Word count: 570 words