US5C3257

UNISONIC TECHNOLOGIES CO., LTD US5C3257 Preliminary QUAD 2:1 MUX/DEMUX BUS SWITCH „ DESCRIPTION The UTC US5C3257 is a QUAD 2:1 multiplexer/demultiplexer with low on-resistance and is pinout and function compatible with the TTL device. Inputs can be connected to outputs with low on resistance (5Ω) with no additional ground bounce noise or propagation delay. „ FEATURES * 5Ω switches connect inputs to outputs * ESD protection on pin * Near zero propagation delay * Ultra Low Quiescent Power (0.2µA Typical) –Ideally suited for notebook applications * Direct bus connection when switches are ON * Pin compatible with U74 series logic devices „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free US5C3257L-S16-R US5C3257G-S16-R US5C3257L-S16-T US5C3257G-S16-T Note: xx: Output Voltage, refer to Marking Information. Package SOP-16 SOP-16 CMOS IC Packing Tape Reel Tube www.unisonic.com.tw Copyright © 2013 Unisonic Technologies Co., Ltd 1 of 6 QW-R502-891.a US5C3257 „ PIN CONFIGURATION Preliminary CMOS IC „ PIN DESCRIPTION PIN NO. 1 2, 3, 5, 6, 10, 11,13,14, 4, 7, 9, 12 8 15 16 PIN NAME S IAn-IDn YA-YD GND E VCC Select Inputs Data Inputs Data Outputs Ground Enable Power DESCRIPTION UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R502-891.a US5C3257 „ BLOCK DIAGRAM Preliminary CMOS IC IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1 E S YA YB „ TRUTH TABLE E S YA H X Hi-Z L L IA0 L H IA1 Note: H=High Voltage Level, L=Low Voltage Level YB Hi-Z IB0 IB1 ...