SN74ABTH16244DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, non-inverting, 16-bit bus transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transmits and receives data between two bidirectional buses
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: ABT
• Number of Bits: 16
• Input/Output Type: Non-Inverting
• Supply Voltage: 2.3V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Output Drive Strength: ±12mA
• Propagation Delay: 4.5ns (Max)
• Output Capacitance: 8pF (Typ)

Detailed Pin Configuration

The SN74ABTH16244DLR has a total of 48 pins, which are divided into four groups:

Group A (Input/Output Ports A1-A8)

• Pin 1: A1
• Pin 2: A2
• Pin 3: A3
• Pin 4: A4
• Pin 5: A5
• Pin 6: A6
• Pin 7: A7
• Pin 8: A8

Group B (Input/Output Ports B1-B8)

• Pin 9: B1
• Pin 10: B2
• Pin 11: B3
• Pin 12: B4
• Pin 13: B5
• Pin 14: B6
• Pin 15: B7
• Pin 16: B8

Group C (Control Inputs)

• Pin 17: OE (Output Enable)
• Pin 18: DIR (Direction Control)

Group D (Supply and Ground)

• Pin 19: VCC (Positive Supply Voltage)
• Pin 20: GND (Ground)

Functional Features

• Bidirectional data transmission between two buses
• Non-inverting logic operation
• High-speed operation suitable for bus interfaces
• Output enable and direction control for flexible data flow management

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Non-inverting logic simplifies interface design - Flexible control inputs enable versatile data flow management

Disadvantages: - Limited supply voltage range (2.3V to 3.6V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74ABTH16244DLR is a 16-bit bus transceiver that enables bidirectional data transfer between two buses. It operates using non-inverting logic, meaning the input and output signals have the same polarity. The device features an output enable (OE) pin and a direction control (DIR) pin, which allow for flexible control of data flow.

When OE is low, the outputs are enabled, and data can be transmitted from one bus to the other. When OE is high, the outputs are disabled, effectively isolating the two buses. The DIR pin determines the direction of data flow. When DIR is low, data is transmitted from bus A to bus B, and when DIR is high, data is transmitted from bus B to bus A.

Detailed Application Field Plans

The SN74ABTH16244DLR is commonly used in various applications that require bidirectional data transfer between two buses. Some specific application fields include:

1. Microprocessor systems: The IC facilitates communication between the microprocessor and external devices, such as memory modules or peripheral components.

2. Data communication networks: It can be employed in network switches, routers, or hubs to enable data transmission between different network segments.

3. Industrial automation: The IC is suitable for connecting various control modules and sensors in industrial automation systems, ensuring efficient data exchange.

4. Automotive electronics: It finds application in automotive communication protocols, such as CAN (Controller Area Network) or LIN (Local Interconnect Network), enabling data transfer between different vehicle components.

Detailed and Complete Alternative Models

1. SN74ABTH16245DLR: Similar to SN74ABTH16244DLR but with 8-bit bidirectional bus transceiver functionality.
2. SN74ABT16244DLR: Non-inverting 16-bit bus transceiver with a different package type (SSOP).

These alternative models offer similar functionality with slight variations in features or packaging options.

Word count: 511 words