SN74LVT162240DL

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: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 16
• Output Drive Capability: ±24mA
• Propagation Delay: 2.8ns (max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVT162240DL has a total of 48 pins, which are distributed as follows:

• Pins 1-4: GND (Ground)
• Pins 5-20: A1-A16 (Input/Output Data Bus)
• Pins 21-28: OE1-OE8 (Output Enable)
• Pins 29-32: VCC (Supply Voltage)
• Pins 33-48: B1-B16 (Input/Output Data Bus)

Functional Features

• Bidirectional voltage translation between two independent voltage domains
• 3-state outputs allow multiple devices to share the same bus without contention
• Supports mixed-mode signal operation on both the input and output sides
• Provides buffering for unidirectional data flow

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-voltage operation reduces power consumption - 3-state outputs enable bus sharing and reduce system complexity

Disadvantages: - Limited voltage range (1.65V to 3.6V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVT162240DL is designed to translate logic levels between two different voltage domains. It uses a combination of level-shifting circuitry and 3-state output buffers to achieve bidirectional data transfer. The device operates by monitoring the input signals and translating them to the appropriate voltage level on the output side.

Detailed Application Field Plans

The SN74LVT162240DL is commonly used in various applications, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Memory systems: It facilitates data transfer between memory modules with varying voltage requirements.
3. Communication interfaces: It allows for signal translation between different communication protocols or standards.
4. Industrial automation: It assists in connecting devices with different voltage levels in industrial control systems.

Detailed and Complete Alternative Models

1. SN74LVC162240DL: Similar to SN74LVT162240DL but operates at a wider supply voltage range (1.2V to 3.6V).
2. SN74LVTH162240DL: Offers higher drive capability and lower output impedance compared to SN74LVT162240DL.
3. SN74AVC162240DL: Provides additional ESD protection features for enhanced reliability in harsh environments.

These alternative models offer similar functionality but may have different specifications or additional features to suit specific application requirements.

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