Encyclopedia Entry: 74ALVCH16244DGG:11

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, non-inverting, 16-bit bus transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to provide bidirectional level shifting and line driving capabilities for a 16-bit bus. It operates at high speeds while consuming low power.
• Packaging/Quantity: The 74ALVCH16244DGG:11 is typically sold in reels or tubes containing multiple units.

Specifications

• Logic Family: ALVCH
• Number of Channels: 16
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Voltage Range: 1.65V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive Strength: ±24mA
• Input Capacitance: 4pF (typical)

Detailed Pin Configuration

The 74ALVCH16244DGG:11 has a total of 48 pins, arranged as follows:

• Pins 1-8: Channel A Data Inputs/Outputs (A1-A8)
• Pins 9-16: Channel B Data Inputs/Outputs (B1-B8)
• Pins 17-24: Channel C Data Inputs/Outputs (C1-C8)
• Pins 25-32: Channel D Data Inputs/Outputs (D1-D8)
• Pins 33-40: Channel Enable Inputs (G1-G8)
• Pins 41-48: Ground (GND) and Power Supply (VCC) Pins

Functional Features

• Bidirectional data transmission between the A and B ports.
• Non-inverting logic, maintaining signal integrity.
• High-speed operation with low power consumption.
• Output enable control for each channel, allowing selective data transmission.
• 3-state outputs when disabled, preventing bus contention.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low power consumption reduces energy requirements. - Non-inverting logic ensures accurate signal transmission. - Output enable control allows flexible data routing. - 3-state outputs prevent conflicts on shared buses.

Disadvantages: - Limited voltage range of 1.65V to 3.6V may not be suitable for all applications. - Propagation delay of 2.5ns may introduce slight latency in time-critical systems. - Input capacitance of 4pF may affect signal integrity in high-frequency applications.

Working Principles

The 74ALVCH16244DGG:11 is a bidirectional buffer/driver IC that facilitates level shifting and line driving for a 16-bit bus. It operates by receiving data from one port (A) and transmitting it to another port (B), or vice versa. The non-inverting logic ensures that the output signal matches the input signal polarity. The IC can be enabled or disabled using the individual channel enable inputs (G1-G8), allowing selective data transmission. When disabled, the outputs enter a high-impedance state, preventing conflicts on shared buses.

Detailed Application Field Plans

The 74ALVCH16244DGG:11 finds applications in various fields, including:

1. Microprocessors and Microcontrollers: Facilitating communication between the processor and external memory or peripherals.
2. Data Communication Systems: Enabling data transmission between different components in networking equipment.
3. Industrial Automation: Providing level shifting and line driving capabilities for control signals in automation systems.
4. Automotive Electronics: Supporting data transfer between different modules in automotive applications.
5. Consumer Electronics: Enabling bidirectional communication between various devices, such as gaming consoles and peripherals.

Detailed and Complete Alternative Models

1. 74ALVCH16244DGV:11 - Similar to the 74ALVCH16244DGG:11 but packaged in a TSSOP package with exposed pad.
2. 74ALVCH16244DGVR:11 - Same functionality as the 74ALVCH16244DGG:11, but offered in a smaller VFBGA (Very Fine Pitch Ball Grid Array) package.
3. 74ALVCH16244DL:11 - Low-voltage version of the 74ALVCH16244DGG:11, operating at 1.2V to 3.6V.

These alternative models provide similar functionality but may differ in package type, voltage range, or other specifications.

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