UT54ACS164646S - Schmitt CMOS 16-bit Bidirectional MultiPurpose Registered Transceiver

Pin Names Description xOE xDIR Output Enable Input (Active Low) Direction Control Inputs xAx Side A Inputs or 3-State Outputs (3.3V Port) xBx Side B Inputs or 3-State Outputs (5V Port) xSAB Select real-time or stored A bus data to B bus xSBA xCLKAB Select real-time or stored B bus data to A

•  Flexible voltage operation - 5V bus to 3.3V bus - 3.3V bus to 5V bus - 5V bus to 5V bus - 3.3V bus to 3.3V bus  Independent registers for A and B buses  Multiplexed real-time and stored data  Flow-through architecture optimizes PCB layout  Cold- and Warm-sparing - 750k minimum input impedance power-off - Guranteed output tri-state while one power supply is "off" and the other is "on"  Schmitt trigger inputs to filter noisy signals  All inputs are 5V tolerant regardless of power supply v.