SN74LVTH162240DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit buffer/driver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.1ns (typical)
• Output Drive Capability: ±24mA
• Number of Channels: 16

Detailed Pin Configuration

The SN74LVTH162240DL has a total of 48 pins, which are 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 46: A15 (Input/Output)
• Pin 47: Y15 (Output)
• Pin 48: VCC (Power Supply)

Functional Features

• Bidirectional voltage level translation between two independent voltage domains
• 3-state outputs allow multiple devices to share the same bus
• Supports both push-pull and open-drain output configurations
• Provides high-speed data transfer with minimal propagation delay
• Low power consumption and wide operating temperature range

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - High-speed operation allows for efficient data transfer - 3-state outputs facilitate bus sharing and reduce system complexity - Wide operating temperature range ensures reliability in various environments

Disadvantages: - Limited to a specific number of channels (16 in this case) - Requires careful consideration of voltage compatibility between input and output domains - May introduce additional complexity in system design and layout

Working Principles

The SN74LVTH162240DL is designed to translate logic levels between two different voltage domains. It utilizes a combination of CMOS and BiCMOS technologies to achieve high-speed operation while maintaining low power consumption.

The device consists of 16 bidirectional buffers, each capable of translating signals between the input and output pins. The direction of translation is controlled by the voltage levels applied to the control pins. When the control pin is set to a logic high or low level, the corresponding buffer is enabled, allowing bidirectional signal flow. When the control pin is set to a high-impedance state, the buffer is disabled, effectively disconnecting the input and output pins.

Detailed Application Field Plans

The SN74LVTH162240DL is commonly used in various applications that require voltage level translation, such as:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between devices operating at different voltage levels
3. Memory address and data buses in multi-voltage systems
4. Level shifting in mixed-signal circuits
5. Signal isolation between different voltage domains

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
2. SN74AVC4T245: 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
3. SN74LVC8T245: 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
4. SN74LVC2T45: Dual-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVTH162240DL based on specific application requirements.

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