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FSTU162211

Fairchild Semiconductor
Part Number FSTU162211
Manufacturer Fairchild Semiconductor
Description 24-Bit Bus Switch with .2V Undershoot Protection and 25 Series Resistors in Outputs (Preliminary)
Published Mar 23, 2005
Detailed Description Preliminary FSTU16211 24-Bit Bus Switch with −2V Undershoot Protection (Preliminary) May 2001 Revised May 2001 FSTU16...
Datasheet PDF File FSTU162211 PDF File

FSTU162211
FSTU162211

Overview
Preliminary FSTU16211 24-Bit Bus Switch with −2V Undershoot Protection (Preliminary) May 2001 Revised May 2001 FSTU16211 24-Bit Bus Switch with −2V Undershoot Protection (Preliminary) General Description The Fairchild Switch FSTU16211 provides 24-bits of highspeed 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 12-bit or 24-bit bus switch.
When OE1 is LOW, the switch is ON and Port 1A is connected to Port 1B.
When OE2 is LOW, Port 2A is connected to Port 2B.
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 turning the switch on.
Features s Undershoot hardened to −2V (A and B Ports) s Slower output enable times to prevent signal disruption s 4Ω 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 Applications Note AN-5008 for details Ordering Code: Order Number FSTU16211MTD Package Number MTD56 Package Description 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.
1mm Wide 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.
© 2001 Fairchild Semiconductor Corporation DS500389 www.
fairchildsemi.
com Preliminary FSTU16211 Logic Diagram Connection Diagram Truth Table Inputs OE1 L L H H OE2 L H L H Inputs/Outputs 1A, 1B 1A = 1B 1A = 1B Z Z 2A, 2B 2A = 2B Z 2A = 2B Z Pin Descriptions Pin Name OE1, OE2 1A, 2A 1B, 2B Description Bus Switch Enables Bus A Bus B www.
fairchildsemi.
com 2 Preliminary FSTU16211 Absolute Maximum Ratings(Note 1...


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