SN74LVC16245ADL

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter/Transceiver
• Characteristics: Bi-directional, 16-bit, voltage level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Bits: 16
• Input Voltage Range: 1.65V to 5.5V
• Output Voltage Range: 1.65V to 5.5V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 1.65V to 5.5V
• Supply Current: 10µA (typical)

Detailed Pin Configuration

The SN74LVC16245ADL has a total of 48 pins, which are divided into two sections: the A-side and the B-side. Each side consists of 24 pins. The pin configuration is as follows:

• A1-A24: A-side data input/output pins
• B1-B24: B-side data input/output pins
• OEAB: Output Enable input for both A and B sides
• DIR: Direction control input
• VCCA: A-side supply voltage
• VCCB: B-side supply voltage
• GND: Ground

Functional Features

• Bi-directional level shifting: Allows bidirectional data transfer between devices operating at different voltage levels.
• Automatic direction control: The DIR pin determines the direction of data flow.
• Wide voltage range: Supports voltage translation from 1.65V to 5.5V, making it compatible with various logic families.
• High-speed data transfer: Capable of transferring data at a maximum rate of 100 Mbps.
• Low power consumption: Consumes only 10µA of supply current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices with different voltage levels. - Offers automatic direction control, simplifying system design. - Supports high-speed data transfer. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited to 16-bit data width. - May require additional components for voltage level translation in complex systems.

Working Principles

The SN74LVC16245ADL is a bidirectional level shifter/transceiver that translates signals between two voltage domains. It uses a combination of MOSFETs and CMOS technology to achieve voltage level translation. The DIR pin determines the direction of data flow, while the OEAB pin enables or disables the outputs on both sides. When the OEAB pin is low, the outputs are enabled, allowing data transmission. Conversely, when the OEAB pin is high, the outputs are disabled, isolating the input and output sides.

Detailed Application Field Plans

The SN74LVC16245ADL is widely used in various applications where voltage level translation is required. Some common application fields include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors and microcontrollers with varying voltage requirements.
3. Industrial automation: Enables communication between different logic families used in industrial control systems.
4. Communication interfaces: Bridges the gap between devices with incompatible voltage levels, such as UART, SPI, and I2C interfaces.
5. Battery-powered devices: Provides voltage level translation in portable electronics, extending battery life.

Detailed and Complete Alternative Models

1. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction control.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC4245A: Octal bus transceiver with configurable voltage translation and 3-state outputs.

These alternative models offer similar functionality to the SN74LVC16245ADL and can be considered as alternatives based on specific application requirements.

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