SN74AHCT16244DGVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, 16-bit bus transceiver
• Package: VSSOP (Very Small Outline Package)
• Essence: Transmits and receives data between two bidirectional buses
• 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
• Output Drive Capability: ±24mA at 3.3V
• Propagation Delay: 6ns typical
• Maximum Frequency: 80MHz

Detailed Pin Configuration

The SN74AHCT16244DGVR 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/Outputs
4. Group D (pins 37-48): Power and Ground Pins

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

Functional Features

• Bidirectional Data Flow: Allows data transmission in both directions between two buses
• Non-Inverting Outputs: Maintains the same logic level as the input signal
• Output Enable Control: Enables or disables the outputs for bus isolation
• Schmitt-Trigger Inputs: Provides hysteresis for improved noise immunity
• ESD Protection: Guards against electrostatic discharge damage

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption reduces energy requirements - Wide supply voltage range provides flexibility in various applications - ESD protection ensures reliability and longevity

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay may introduce timing issues in certain scenarios

Working Principles

The SN74AHCT16244DGVR acts as a bidirectional buffer/driver, facilitating the transmission of data between two buses. It operates by receiving input signals from one bus and transmitting them to the other bus, while maintaining the same logic level. The direction of data flow is controlled by the control inputs. When the output enable control is active, the outputs are enabled, allowing data to pass through. Conversely, when the output enable control is inactive, the outputs are disabled, isolating the buses.

Detailed Application Field Plans

The SN74AHCT16244DGVR is commonly used in various applications, including:

1. Data Communication Systems: Facilitates data transfer between different communication interfaces, such as UART, SPI, or I2C.
2. Memory Modules: Enables data exchange between memory modules and the main processor.
3. Industrial Automation: Connects sensors, actuators, and controllers in industrial automation systems.
4. Automotive Electronics: Transmits data between different automotive subsystems, such as engine control units, infotainment systems, and body control modules.
5. Networking Equipment: Interfaces with Ethernet switches, routers, and network interface cards for data transmission.

Detailed and Complete Alternative Models

1. SN74AHCT16245DGGR: 16-bit bus transceiver with tri-state outputs
2. SN74AHCT125DGVR: Quad buffer/line driver with 3-state outputs
3. SN74AHCT541PWG4: Octal buffer/line driver with 3-state outputs
4. SN74AHCT595PWG4: 8-bit shift register with output latches

These alternative models offer similar functionality and can be considered as substitutes for the SN74AHCT16244DGVR in different applications.

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