74LCXZ245

74LCXZ245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs October 2000 Revised October 2000 74LCXZ245 Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs General Description The 74LCXZ245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus oriented applications. The device is designed for low voltage (2.5V and 3.3V) VCC applications with capability of interfacing to a 5V signal environment. The T/R input determines the direction of data flow through the device. The OE input disables both the A and B ports by placing them in a high impedance state. The 74LCXZ245 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation. When VCC is between 0V and 1.5V, the 74LCXZ245 is on the high impedance state during power up or power down. This places the outputs in the high impedance (Z) state preventing intermittent low impedance loading or glitching in bus oriented applications. Features s 5V tolerant inputs and outputs s 2.3V–3.6V VCC specifications provided s 7.0 ns tPD max (VCC = 3.3V), 10 µA ICC max s Power down high impedance inputs and outputs s Supports live insertion/withdrawal (Note 1) s ±24 mA output drive (VCC = 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds 500 mA s ESD performance: Human body model > 2000V Machine model > 200V Note 1: To ensure the high-impedance state durin...