FSTUD16211 Fairchild Semiconductor, FSTUD16211 Datasheet

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FSTUD16211

Manufacturer Part Number
FSTUD16211
Description
24-Bit Bus Switch with -2V Undershoot Protection and Level Shifting
Manufacturer
Fairchild Semiconductor
Datasheet
© 2001 Fairchild Semiconductor Corporation
FSTUD16211GX
(Note 1)
FSTUD16211MTD
FSTUD16211
24-Bit Bus Switch with 2V Undershoot Protection
and Level Shifting
General Description
The Fairchild Switch FSTUD16211 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. A diode to V
integrated into the circuit to allow for level shifting between
5V inputs and 3.3V outputs.
The device is organized as a 12-bit or 24-bit bus switch.
When OE
nected to Port 1B. When OE
to Port 2B. When OE
exists between the A and B Ports. The A and B Ports have
“undershoot hardened” circuit protection to support an
extended range to 2.0V below ground. Fairchild’s inte-
grated Undershoot Hardened Circuit (UHC®) senses
undershoot at the I/O’s, and responds by preventing volt-
age differentials from developing and turning on the switch.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Note 1: BGA package available in Tape and Reel only.
Logic Diagram
UHC® is a registered trademark of Fairchild Semiconductor Corporation.
Order Number
1
is LOW, the switch is ON and Port 1A is con-
Package Number
1/2
(Preliminary)
BGA54A
is HIGH, a high impedance state
MTD56
2
is LOW, Port 2A is connected
54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
[TAPE and REEL]
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
CC
DS500390
has been
Features
Undershoot hardened to 2V (A and B Ports)
Voltage level shifting
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
Also packaged in plastic Fine-Pitch Ball Grid Array
(FBGA) (Preliminary)
CC
Package Description
June 2000
Revised October 2006
www.fairchildsemi.com

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FSTUD16211 Summary of contents

Page 1

... FSTUD16211 24-Bit Bus Switch with 2V Undershoot Protection and Level Shifting General Description The Fairchild Switch FSTUD16211 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. A diode to V integrated into the circuit to allow for level shifting between 5V inputs and 3 ...

Page 2

Connection Diagrams Pin Assignment for TSSOP Pin Assignment for FBGA (Top Thru View) www.fairchildsemi.com Pin Descriptions Pin Name Description Bus Switch Enables 1 2 1A Connect Pin Assignment for FBGA 1 2 ...

Page 3

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

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 8: This parameter is guaranteed by ...

Page 5

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

Page 6

Output Voltage HIGH vs. Supply Voltage www.fairchildsemi.com FIGURE 4. 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide Package Number BGA54A Preliminary 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 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 ...

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