SN74LVT162240DLG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low Voltage, 16-Bit Buffer/Line Driver with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to provide voltage level translation between different logic levels in digital systems.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.8 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 16
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74LVT162240DLG4 has a total of 48 pins, which are distributed as follows:

• Pins 1 to 2: GND (Ground)
• Pins 3 to 18: A1 to A16 (Input/Output Data Lines)
• Pins 19 to 20: OE1 and OE2 (Output Enable Inputs)
• Pins 21 to 36: B1 to B16 (Input/Output Data Lines)
• Pins 37 to 38: VCC (Supply Voltage)
• Pins 39 to 40: DIR and DIR\ (Direction Control Inputs)
• Pins 41 to 56: Y1 to Y16 (Output Data Lines)
• Pins 57 to 58: GND (Ground)

Functional Features

• Voltage level translation between different logic levels.
• Bidirectional data flow with direction control.
• 3-state outputs for bus-oriented applications.
• Low voltage operation suitable for battery-powered devices.
• High-speed operation up to 100MHz.

Advantages and Disadvantages

Advantages: - Provides seamless integration between different logic level devices. - Supports bidirectional data transfer. - Allows multiple devices to share a common bus. - Low power consumption. - Wide operating voltage range.

Disadvantages: - Limited output drive capability. - Requires careful consideration of input/output voltage levels. - Not suitable for high-frequency applications.

Working Principles

The SN74LVT162240DLG4 operates by receiving input signals from one logic level and translating them to another logic level. It uses a combination of voltage level shifting and buffering techniques to ensure reliable data transmission between devices operating at different voltage levels. The direction control inputs (DIR and DIR) determine the direction of data flow, enabling bidirectional communication. The 3-state outputs allow multiple devices to share a common bus without interfering with each other's signals.

Detailed Application Field Plans

The SN74LVT162240DLG4 is commonly used in various digital systems where voltage level translation is required. Some typical application fields include:

1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels, allowing them to exchange data seamlessly.

2. Memory Interfaces: It facilitates data transfer between memory modules and microprocessors that operate at different logic levels.

3. Industrial Automation: The IC is used in industrial control systems to interface between different components, such as sensors, actuators, and programmable logic controllers (PLCs).

4. Communication Systems: It plays a crucial role in voltage level translation within communication systems, including UART, SPI, and I2C interfaces.

5. Consumer Electronics: The IC is utilized in various consumer electronic devices, such as smartphones, tablets, and gaming consoles, to enable compatibility between different logic level components.

Detailed and Complete Alternative Models

1. SN74LVC162240DLR: Similar to SN74LVT162240DLG4 but operates at a lower voltage range of 1.2V to 3.6V.
2. SN74LVTH162240DLR: Offers higher output drive capability compared to SN74LVT162240DLG4.
3. SN74AVC162240DLR: Provides enhanced ESD protection features for improved reliability in harsh environments.

These alternative models offer similar functionality with slight variations in voltage range, output drive capability, or additional features to cater to specific application requirements.

In conclusion, the SN74LVT162240DLG4 is a versatile logic level translator IC that enables seamless voltage level translation between different logic levels in digital systems. Its low voltage operation, bidirectional data flow, and 3-state outputs make it suitable for a wide range of applications. However, designers