PI3B3257

PI3B32571122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122 3.3V, Quad 2:1 Mux/Demux Bus Switch Product Features • Near zero propagation delay • 5-ohm switches connect inputs to outputs • Fast Switching Speed: 4.8ns max. • Ultra-Low Quiescent Power: 0.1µA typical – Ideally suited for notebook applications • Pin compatible with 74 series 257 logic devices • Packages available: – 16-pin 150 mil wide plastic QSOP (Q) – 16-pin 150 mil wide plastic SOIC (W) – 16-pin 173 mil wide plastic TSSOP (L) Product Description Pericom Semiconductor’s PI3B series of logic circuits are produced using the Company’s advanced submicron CMOS technology, achieving industry leading performance. The PI3B3257 is a 3.3 Volt, Quad 2:1 multiplexer/demultiplexer with three-state outputs that is pinout and function compatible with the PI74FCT257T, 74F257, and 74ALS/AS/LS257. Inputs can be connected to outputs with low ON resistance (5 ohms) with no additional ground bounce noise or propagation delay. Logic Block Diagram IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1 E S 16-Pin Product Configuration S IA0 IA1 YA IB0 IB1 YB GND 1 16 2 15 3 14 4 16-Pin Q, W, L 13 5 12 6 11 7 10 89 VCC E ID0 ID1 YD IC0 IC1 YC YA YB YC YD Truth Table(1) E S YA YB YC YD Function H X Hi-Z Hi-Z Hi-Z H...