The PI74LPT16245VC is a 16-Bit Low Voltage Transceiver with 3-State Outputs manufactured by Pericom Semiconductor. This device is part of the LPT (Low Power Transceiver) family, designed for high-performance, low-power operation in 3.3V systems. It is commonly used for bidirectional data transfer in applications requiring high speed and minimal power consumption.

Applications

• Bidirectional data buffering
• Low-voltage bus interface
• Data transmission in portable devices
• Memory interface
• High-speed data acquisition systems

Features

• 16-bit bidirectional transceiver
• 3-state outputs
• Low voltage operation: 3.0V to 3.6V
• High-speed: tpd = 4.5 ns (typical)
• Low power consumption
• TTL-compatible inputs
• Direction control input
• Available in TSSOP and SSOP packages

Benefits

• Improved system performance due to fast data transfer rates.
• Reduced power consumption, extending battery life in portable applications.
• Direct interfacing with 3.3V logic systems.
• Easy integration with TTL logic devices.
• Flexible data flow control with direction input.
• Reduced board space requirements due to compact package options.

The PI74LPT16245VC features 16 channels of bidirectional data transfer. The direction of data flow is determined by the Direction Control (DIR) input. A high level on DIR enables data transmission from A port to B port, while a low level enables data transmission from B port to A port. The Output Enable (OE) input controls the state of the 3-state outputs. When OE is low, the outputs are enabled, allowing data to pass through. When OE is high, the outputs are in a high-impedance state, effectively isolating the device from the bus. This transceiver is designed to minimize signal distortion and propagation delay, ensuring reliable data transmission in demanding applications. Its low-power characteristics make it particularly well-suited for battery-operated devices.