U74CBT3257C Datasheet | Unisonic Technologies

DESCRIPTION The UTC U74CBT3257C is a 4-BIT 1-OF-2 FET multiplexer/ demultiplexer with Low ON-State Resistance (RON) and TTL-patibility. - FEATURES - Undershoot Protection for Off-Isolation on A and B Ports Up to -2V - VCC Operating Range From 4V to 5.5V - Bidirectional Data Flow, With Near-Zero Propagation Delay - Low ON-State Resistance (RON) Characteristics (RON =4Ω Typ.) - Low Power Consumption ICC =3μA (Max) - Data and Control Inputs Provide Undershoot Clamp Diodes - Data I/Os Support 0 to 5-V Signaling Levels (0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V) - Control Inputs Can be Driven by TTL or 5V/3.3V CMOS Outputs - IOFF Supports Partial-Power-Down Mode Operation - Supports I2C Bus Expansion - ORDERING INFORMATION Ordering Number Lead Free Halogen Free U74CBT3257CL-S16-R U74CBT3257CG-S16-R U74CBT3257CL-R16-R U74CBT3257CG-R16-R U74CBT3257CL-P16-R U74CBT3257CG-P16-R Package SOP-16 SSOP-16 TSSOP-16 CMOS IC Packing Tape Reel Tape Reel Tape Reel - MARKING .unisonic..tw Copyright © 2018 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-359.E - PIN CONFIGURATION CMOS IC - FUNCTION TABLE INPUT OE S2 LL LH HX INPUT/OUTPUT A B1 B2 Z - LOGIC DIAGRAM 1A FUNCTION A port=B1 port A port=B2...