SN74LVCH16540ADGGR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 16-bit buffer/driver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to shift logic levels between different voltage domains in digital systems.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Output Drive Capability: ±24mA
• Propagation Delay: 2.5ns (typical)

Detailed Pin Configuration

The SN74LVCH16540ADGGR has a total of 48 pins arranged as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input/Output)
• Pin 3: Y1 (Output)
• Pin 4: A2 (Input/Output)
• Pin 5: Y2 (Output)
• ...
• Pin 48: VCC (Supply Voltage)

Functional Features

• Logic Level Shifting: The IC can convert signals from one voltage level to another, allowing communication between devices operating at different voltage levels.
• 3-State Outputs: The outputs can be put into a high-impedance state, enabling multiple devices to share a common bus without interfering with each other.
• High-Speed Operation: The IC operates at a maximum frequency of 100MHz, making it suitable for high-speed digital systems.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs enable efficient bus sharing. - High-speed operation supports fast data transfer.

Disadvantages: - Limited number of bits (16) may not be sufficient for certain applications requiring larger data buses. - Propagation delay of 2.5ns may introduce timing issues in highly time-critical systems.

Working Principles

The SN74LVCH16540ADGGR operates by receiving input signals from one voltage domain and shifting them to the desired voltage level of another domain. It utilizes a combination of MOSFETs and CMOS technology to achieve high-speed, low-voltage logic level shifting. The 3-state outputs allow multiple devices to share a common bus without causing conflicts.

Detailed Application Field Plans

The SN74LVCH16540ADGGR is commonly used in various digital systems where logic level shifting is required. Some specific application fields include: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

• SN74LVC1T45DBVR: Single-bit level shifter with 3-state output
• SN74LVC8T245PW: 8-bit level shifter with 3-state output
• SN74LVC4245APWR: 8-bit dual-supply bus transceiver with configurable voltage translation

These alternative models offer similar functionality but may have different specifications or package options.

In conclusion, the SN74LVCH16540ADGGR is a high-speed, low-voltage logic level shifter IC with 16-bit buffer/driver and 3-state outputs. It is widely used in digital systems to enable communication between devices operating at different voltage levels. Its advantages include wide supply voltage range, 3-state outputs, and high-speed operation. However, it has limitations in terms of the number of bits and propagation delay. The IC operates by shifting logic levels using MOSFETs and CMOS technology. It finds applications in microcontrollers, communication systems, data acquisition, industrial automation, and automotive electronics. Alternative models with similar functionality are also available.