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PDF FSTU32160AMTD Data sheet ( Hoja de datos )
| Número de pieza | FSTU32160AMTD | |
| Descripción | 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch | |
| Fabricantes | Fairchild Semiconductor | |
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June 1999
Revised March 2000
FSTU32160A
16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch
with −2V Undershoot Protection
General Description
The Fairchild Switch FSTU32160A is a 16-bit to 32-bit
high-speed CMOS TTL-compatible multiplexer/demulti-
plexer bus switch. 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 can be used in applications where two buses
need to be addressed simultaneously. The FSTU32160A is
designed so that the A Port demultiplexes into B1 or B2 or
both. The A and B Ports are “undershoot hardened” with
UHC™ protection to support an extended range to 2.0V
below ground. Fairchild’s integrated Undershoot Hardened
Circuit, UHC senses undershoot at the I/O’s, and responds
by preventing voltage differentials from developing and
turning on the switch.
Two select (SEL1, SEL2) inputs provide switch enable con-
trol. When SEL1, SEL2 are HIGH, the device precharges
the B Port to a selectable bias voltage (Bias V) to minimize
live insertion noise.
Features
s Undershoot hardened to −2V (A and B Ports).
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 Package Number
Package Description
FSTU32160AMTD
MTD56
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.
© 2000 Fairchild Semiconductor Corporation DS500258
www.fairchildsemi.com
1 page  
AC Loading and Waveforms
Note: Input driven by 50Ω source terminated in 50Ω
Note: CL includes load and stray capacitance, CL = 50 pF
Note: Input PRR = 1.0 MHz, tW = 500 ns
FIGURE 2. AC Test Circuit
FIGURE 3. AC Waveforms
5 www.fairchildsemi.com
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet FSTU32160AMTD.PDF ] | |
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