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Número de pieza | FSTU162211 | |
Descripción | 24-Bit Bus Switch with .2V Undershoot Protection and 25 Series Resistors in Outputs (Preliminary) | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FSTU162211 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! 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 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 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. The A and B Ports are protected against under-
shoot 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 turn-
ing 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 Package Number
Package Description
FSTU16211MTD
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.
© 2001 Fairchild Semiconductor Corporation DS500389
www.fairchildsemi.com
1 page AC Loading and Waveforms
Preliminary
Note: Input driven by 50 Ω source terminated in 50 Ω
Note: CL includes load and stray capacitance
Note: Input PRR = 1.0 MHz, tW = 500 ns
FIGURE 2. AC Test Circuit
FIGURE 3. AC Waveforms
5 www.fairchildsemi.com
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet FSTU162211.PDF ] |
Número de pieza | Descripción | Fabricantes |
FSTU162211 | 24-Bit Bus Switch with .2V Undershoot Protection and 25 Series Resistors in Outputs (Preliminary) | Fairchild Semiconductor |
FSTU162211MTD | 24-Bit Bus Switch with .2V Undershoot Protection and 25 Series Resistors in Outputs (Preliminary) | Fairchild Semiconductor |
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