SN74AHCT16244DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, 16-bit bus transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between two bidirectional buses with minimal delay and power consumption
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: AHCT
• Number of Bits: 16
• Input/Output Type: Tri-State
• Supply Voltage Range: 4.5V to 5.5V
• Output Drive Capability: ±24mA
• Propagation Delay: 6ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHCT16244DLR has a total of 48 pins, which are divided into four groups:

1. Group A (pins 1-12): Bus A Inputs/Outputs
2. Group B (pins 13-24): Bus B Inputs/Outputs
3. Group C (pins 25-36): Control Inputs
4. Group D (pins 37-48): Power and Ground

For a detailed pin configuration diagram, please refer to the datasheet.

Functional Features

• Bidirectional Data Transfer: Allows data transmission in both directions between two buses.
• Tri-State Outputs: Enables multiple devices to share the same bus without interference.
• High-Speed Operation: Provides fast data transfer with a propagation delay of only 6ns.
• Low Power Consumption: Operates at a supply voltage as low as 4.5V, reducing power consumption.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Tri-state outputs enable easy sharing of buses among multiple devices. - Low power consumption helps in energy-efficient designs.

Disadvantages: - Limited to 16-bit data transfer, may not be suitable for applications requiring larger bus widths. - Requires external control signals for proper operation.

Working Principles

The SN74AHCT16244DLR acts as a bidirectional buffer/driver for transferring data between two buses. It operates based on the control inputs provided. When the control inputs are set appropriately, the device allows data to flow bidirectionally between the two buses. The tri-state outputs ensure that multiple devices can share the same bus without causing conflicts.

Detailed Application Field Plans

The SN74AHCT16244DLR is commonly used in various applications, including:

1. Microprocessor Systems: Facilitates communication between the microprocessor and peripheral devices.
2. Memory Interfacing: Enables data transfer between memory modules and other components.
3. Data Communication: Used in networking equipment for data transmission between different nodes.
4. Industrial Automation: Provides reliable data transfer in control systems and PLCs.
5. Automotive Electronics: Used in automotive applications for signal buffering and driving.

Detailed and Complete Alternative Models

1. SN74AHCT16245DLR: Similar to SN74AHCT16244DLR but with 8-bit bus transceiver capability.
2. SN74AHCT125DLR: Quad buffer/driver with tri-state outputs, suitable for smaller bus widths.
3. SN74AHCT541DLR: Octal buffer/driver with 3-state outputs, ideal for high-speed data transfer.

These alternative models offer similar functionality with varying bus widths and package options.

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