The SN74LCX245FP is an octal bus transceiver with 5V tolerant inputs from Fairchild/ON Semiconductor. It is designed for bi-directional asynchronous communication between data buses. This device is suitable for applications where low voltage operation and high-speed data transfer are required.

Applications

• Data Buffering
• Bus Interfacing
• Memory Interfacing
• Address Line Driving
• Microprocessor Systems

Features

• Low Voltage Operation: 2.0V to 3.6V
• 5V Tolerant Inputs
• High-Speed Operation: tpd = 4.5 ns (typ) at 3.3V
• Low Power Dissipation: ICC = 10 µA (max)
• Output Drive Capability: IOH = -24 mA, IOL = 24 mA
• Ioff Supports Partial-Power-Down Mode Operation
• Latch-Up Performance Exceeds 250 mA Per JESD 17

Benefits

• Facilitates seamless integration into low-voltage systems.
• Allows interfacing with 5V logic without additional level shifting.
• Enables high-speed data transmission, enhancing system performance.
• Minimizes power consumption, making it suitable for portable devices.
• Provides robust output drive capability for driving heavily loaded buses.
• Supports partial-power-down mode for further power savings.
• Offers reliable operation with high latch-up immunity.

Additional Details

The SN74LCX245FP operates within a supply voltage range of 2.0V to 3.6V. It is housed in a 20-pin SOP (Small Outline Package). The device is controlled by a direction control (DIR) input, which determines the direction of data flow. An output enable (OE) input enables or disables the outputs. When OE is high, the outputs are in a high-impedance state. The device utilizes advanced CMOS technology to achieve high speed and low power consumption.

The 5V tolerant inputs allow this device to be used in mixed-voltage systems where the input signals may be higher than the supply voltage. The Ioff feature prevents current backflow when the device is powered down, further contributing to power savings. This transceiver is designed to provide reliable data transfer in a variety of applications.