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FSTU16861 Folha de dados(PDF) 1 Page - Fairchild Semiconductor |
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FSTU16861 Folha de dados(HTML) 1 Page - Fairchild Semiconductor |
1 / 6 page © 2001 Fairchild Semiconductor Corporation DS500422 www.fairchildsemi.com May 2001 Revised May 2001 FSTU16861 20-Bit Bus Switch with −2V Undershoot Protection General Description The Fairchild Switch FSTU16861 provides 20-Bits of high- speed CMOS TTL-compatible bus switching. 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 a 10-bit or 20-Bit bus switch. When OE1 is LOW, the switch is ON and Port 1A is con- nected to Port 1B. When OE2 is LOW, Port 2A is connected to Port 2B. When OEX is HIGH, a high impedance state exists between the A and B Ports. The A and B Ports are protected against undershoot to support an extended range to 2.0V below ground. Fairchild’s integrated Under- shoot Hardened Circuit (UHC ) senses undershoot at the I/O and responds by preventing voltage differentials from developing and turning the switch on. When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports. Features s Undershoot hardened to −2V (A and B Ports) s 4 Ω switch connection between two ports s Minimal propagation delay through the switch s Low lCC s Zero bounce in flow-through mode s Control inputs compatible with TTL level s See Application Note AN-5008 for details Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. UHC is a trademark of Fairchild Semiconductor Corporation. Order Number Package Number Package Description FSTU16861MTD MTD48 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide |
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Descrição semelhante - FSTU16861 |
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