SN74ALVTH162245DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 16-bit bidirectional transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transfers data between two different voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Number of Bits: 16
• Logic Family: ALVTH
• Voltage Supply Range: 1.2V to 3.6V
• Input/Output Compatibility: TTL, CMOS
• Output Drive Strength: ±12mA
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVTH162245DL has a total of 48 pins, which are divided into four groups:

Group A (Pins 1-12)

• Pins 1-8: Data I/O (D1-D8)
• Pins 9-12: Voltage Supply (VCCA, GND)

Group B (Pins 13-24)

• Pins 13-20: Data I/O (D9-D16)
• Pins 21-24: Voltage Supply (VCCB, GND)

Group C (Pins 25-36)

• Pins 25-32: Direction Control (DIR1-DIR8)
• Pins 33-36: Voltage Supply (VCCAB, GND)

Group D (Pins 37-48)

• Pins 37-44: Direction Control (DIR9-DIR16)
• Pins 45-48: Voltage Supply (VCCBB, GND)

Functional Features

• Bidirectional data transfer between two voltage domains
• Automatic direction control based on DIR pins
• Supports voltage translation from 1.2V to 3.6V
• High-speed operation with minimal propagation delay
• TTL and CMOS compatible inputs and outputs
• Output drive strength for robust signal transmission

Advantages and Disadvantages

Advantages

• Enables seamless communication between different voltage levels
• Fast data transfer with low propagation delay
• Wide operating voltage range allows compatibility with various systems
• Robust output drive strength ensures reliable signal transmission

Disadvantages

• Requires careful consideration of voltage level compatibility
• Additional circuitry may be needed for voltage level shifting in complex systems

Working Principles

The SN74ALVTH162245DL is a bidirectional level shifter and bus transceiver. It facilitates the transfer of data between two voltage domains, ensuring compatibility and reliable communication. The direction of data flow is controlled by the DIR pins, which automatically switch the transceiver between input and output modes. The IC operates within a wide voltage supply range and provides fast data transfer with minimal propagation delay.

Detailed Application Field Plans

The SN74ALVTH162245DL finds applications in various fields where data communication between different voltage domains is required. Some potential application areas include:

1. Microcontroller interfacing with peripherals operating at different voltage levels.
2. Communication interfaces between different logic families (e.g., TTL and CMOS).
3. Level shifting in mixed-voltage systems, such as automotive electronics.
4. Bus transceivers in industrial automation and control systems.
5. Data communication in portable devices with multiple voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC16245A: 16-bit bidirectional voltage level translator with 3-state outputs.
2. SN74AVC16245: 16-bit dual-supply bus transceiver with configurable voltage translation.
3. SN74LVCH16245A: 16-bit low-voltage CMOS bus transceiver with 3-state outputs.

These alternative models offer similar functionality and can be considered as alternatives to the SN74ALVTH162245DL based on specific application requirements.

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