UT54ACS164646S

Standard Products UT54ACS164646S Schmitt CMOS 16-bit Bidirectional MultiPurpose Registered Transceiver Datasheet May 17, 2012 www.aeroflex.com/16bitLogic FEATURES  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 voltage  m CRH CMOS Technology  Operational Environment: - Total dose: 100K rad(Si) - Single Event Latchup immune>110 MeV-cm2/mg - SEU Onset LET >75 MeV-cm2/mg  High speed, low power consumption  Available QML Q or V processes  Standard Microcircuit Drawing: 5962-06234  Package: - 56-pin ceramic flatpack PIN DESCRIPTION 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 bus Store A bus data xCLKBA Store B bus data DESCRIPTION The UT54ACS164646S is a 16-bit, MultiPurpose, registered, level shifting, bus transceiver consisting of D-type flip-flops, control circuitry, ...