The TC74VCXR162245FT is a 16-bit non-inverting bus transceiver from Toshiba Semiconductor and Storage. This advanced CMOS logic device is designed for high-speed, low-power operation in a variety of digital systems. It is particularly well-suited for applications requiring bidirectional data transfer between buses.

Applications:

• Memory interface
• Bus interface
• Data communication systems
• Networking equipment
• High-speed data transfer applications

Features:

• Operating voltage: 2.0 V to 3.6 V
• High-speed operation: tpd = 2.9 ns (max) at VCC = 3.3 V
• Low power consumption: ICC = 8 μA (max) at VCC = 3.6 V
• Output drive capability: ±24 mA at VCC = 3.3 V
• TTL compatible input thresholds
• Bus hold on data inputs eliminates the need for external pull-up resistors
• Package: TSSOP48

Benefits:

• High-speed data transfer: Enables fast communication between different system components.
• Low power consumption: Reduces overall system power consumption, making it suitable for battery-powered devices.
• Simplified system design: The bus hold feature eliminates the need for external pull-up resistors, simplifying board layout and reducing component count.
• Wide operating voltage range: Allows for flexible integration into various systems with different voltage requirements.
• TTL compatibility: Ensures compatibility with other TTL logic devices.

The TC74VCXR162245FT features a bus hold circuit on the data inputs. This holds unused inputs at a valid logic level, eliminating the need for external pull-up or pull-down resistors. This reduces component count and simplifies board layout. The device's low power consumption and high-speed operation make it ideal for applications where performance and energy efficiency are critical.

The transceiver provides bidirectional data transfer capabilities, allowing data to flow in either direction between the two buses connected to the A and B ports. The direction of data flow is controlled by the direction control (DIR) input. The output enable (OE) input controls whether the outputs are enabled or disabled. When OE is high, the outputs are in a high-impedance state.