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PI5C3245Q
PI5C3245 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 8-Bit, 2-Port Bus Switch Features Description • • • • Near-Zero propagation delay 5-ohm switches connect inputs to outputs Direct bus connection when switches are on Ultra Low Quiescent Power (0.2μA typical) – Ideally suited for notebook applications • Pin compatible with 74 series 245 logic devices • Packaging (Pb-free & Green available): – 20-pin 173-mil wide plastic TSSOP (L) – 20-pin 150-mil wide plastic QSOP (Q) – 20-pin 300-mil wide plastic SOIC (S) Pericom Semiconductor’s PI5C3245 is a 8-bit, 2-port bus switch designed with a low On-Resistance (5-ohm) allowing inputs to be connected directly to outputs. The bus switch creates no additional propagational delay or additional ground bounce noise. The switches are turned on by the Bus Enable (BE) input signal. The pinout is compatible with PI74FCT245T (Octal Bidirectional Transceiver). Block Diagram Pin Configuration A0 B0 A7 NC A0 A1 A2 A3 A4 A5 A6 A7 GND B7 BE BE H L Pin Name BE A0–7 B0 –7 GND VCC A0–7 Hi-Z B0–7 Note: 1. H = High Voltage Level L = Low Voltage Level Hi-Z = High Impedance 06-0239 20 19 18 17 16 15 14 13 12 11 VCC BE B0 B1 B2 B3 B4 B5 B6 B7 Pin Description Truth Table(1) Function Disconnect Connect 1 2 3 4 5 6 7 8 9 10 1 Description Bus Enable Input (Active LOW) Bus A Bus B Ground Power PS7015D 05/11/06
TI
Texas Instruments Incorporated
U.S.A
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