74LVC4245AD – NXP

Overview

The Nexperia 74LVC4245AD is a high-performance, 8-bit dual-supply configurable voltage translator and bus transceiver, crucial for interfacing logic families operating at different voltage domains. Its key strength lies in its ability to provide bidirectional signal translation between 1.5V and 5.5V supply rails, enabling seamless communication in mixed-voltage systems. A critical design consideration when utilizing this device is managing signal integrity at higher frequencies; while its 10 ns propagation delay is respectable, careful PCB layout and termination strategies are paramount to prevent inter-symbol interference, especially when operating near the upper supply voltage limits.

Key Features

• Dual-supply voltage translation (1.5V to 5.5V)
• 8-bit bidirectional bus transceiver
• 3-State output capability
• Low propagation delay: 10 ns (typical)
• SOIC-24 package (15.6mm L x 7.6mm W x 2.45mm H)
• Wide operating temperature range: -40°C to +125°C

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

• Interfacing between microcontrollers and peripherals with disparate logic levels
• Voltage translation in mobile device power management ICs
• Bidirectional data buffering in industrial automation systems
• Signal level shifting in automotive infotainment modules