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FSTU32X384 Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor |
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FSTU32X384 Scheda tecnica(HTML) 1 Page - Fairchild Semiconductor |
1 / 6 page © 2002 Fairchild Semiconductor Corporation DS500705 www.fairchildsemi.com May 2002 Revised October 2006 FSTU32X384 20-Bit Low Power Bus Switch with −2V Undershoot Protection General Description The Fairchild Switch FSTU32X384 provides 20 bits of high- speed CMOS TTL-compatible bus switches. The low On Resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. The device is organized as four 5-bit switches with separate bus enable (OE) sig- nals. When OE is LOW, the switch is ON and Port A is con- nected to Port B. When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports. The A and B Ports are protected against undershoot to support an extended range to 2.0V below ground. Fairchild’s integrated Undershoot Hardened Circuit (UHC®) senses undershoot at the I/O and responds by preventing voltage differentials from developing and turn- ing the switch on. Features s 4 Ω switch connection between two ports s Minimal propagation delay through the switch s Ultra low power with < 0.1 µA typical I CC s Zero ground bounce in flow-through mode s Control inputs compatible with TTL level s See Application Note AN-5008 for details on FSTU - Undershoot Protected Fairchild Switch Family Ordering Code: Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Logic Diagram UHC® is a registered trademark of Fairchild Semiconductor Corporation. Order Number Package Number Package Description FSTU32X384QSP MQA48A 48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide |
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