FSTU16211 Fairchild Semiconductor, FSTU16211 Datasheet

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FSTU16211

Manufacturer Part Number
FSTU16211
Description
24-Bit Bus Switch with -2V Undershoot Protection (Preliminary)
Manufacturer
Fairchild Semiconductor
Datasheet
1.FSTU16211.pdf (6 pages)
© 2001 Fairchild Semiconductor Corporation
FSTU16211MTD
FSTU16211
24-Bit Bus Switch with 2V Undershoot Protection
(Preliminary)
General Description
The Fairchild Switch FSTU16211 provides 24-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 12-bit or 24-bit bus switch.
When OE
nected to Port 1B. When OE
to Port 2B. The A and B Ports are protected against under-
shoot to support an extended range to 2.0V below ground.
Fairchild’s
(UHC ) senses undershoot at the I/O and responds by
preventing voltage differentials from developing and turn-
ing the switch on.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
UHC
Order Number
is a trademark of Fairchild Semiconductor Corporation.
1
is LOW, the switch is ON and Port 1A is con-
integrated
Package Number
MTD56
Undershoot
2
is LOW, Port 2A is connected
Hardened
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
DS500389
Circuit
Features
Undershoot hardened to 2V (A and B Ports)
Slower output enable times to prevent signal disruption
4 switch connection between two ports
Minimal propagation delay through the switch
Low l
Zero bounce in flow-through mode
Control inputs compatible with TTL level
See Applications Note AN-5008 for details
CC
Package Description
May 2001
Revised May 2001
www.fairchildsemi.com
Preliminary

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FSTU16211 Summary of contents

Page 1

... FSTU16211 24-Bit Bus Switch with 2V Undershoot Protection (Preliminary) General Description The Fairchild Switch FSTU16211 provides 24-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. ...

Page 2

Logic Diagram Truth Table Inputs Inputs/Outputs www.fairchildsemi.com Connection Diagram Pin Descriptions Pin Name 2A ...

Page 3

Absolute Maximum Ratings Supply Voltage ( Switch Voltage (V ) (Note Input Control Pin Voltage (V ) (Note Input Diode Current ( Output Current (I ...

Page 4

AC Electrical Characteristics Symbol Parameter Propagation Delay Bus to Bus PHL PLH (Note Output Enable Time PZH PZL Output Disable Time PHZ PLZ Note 7: This parameter is guaranteed by ...

Page 5

AC Loading and Waveforms Note: Input driven by 50 source terminated in 50 Note: C includes load and stray capacitance L Note: Input PRR 1.0 MHz, t 500 ns W FIGURE 2. AC Test Circuit FIGURE 3. AC Waveforms 5 ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Technology Description The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its 74LVX3L384 (FST3384) ...

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