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PDF FSTU16862 Data sheet ( Hoja de datos )
| Número de pieza | FSTU16862 | |
| Descripción | 20-Bit Bus Switch with −2V Undershoot Protection | |
| Fabricantes | Fairchild Semiconductor | |
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May 2002
Revised May 2002
FSTU16862
20-Bit Bus Switch with −2V Undershoot Protection
General Description
The Fairchild Switch FSTU16862 provides 20-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 20-bit bus switch. When OEX
is LOW, the switch is ON and Port A is connected to Port B.
When OEX is HIGH, a high impedance state exists
between the A and B Ports. The A and B Ports are pro-
tected 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 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 Application Note AN-5008 for details on
FSTU - Undershoot Protected Fairchild Switch Family
Ordering Code:
Order Number
Package
Number
Package Description
FSTU16862QSP MQA48A 48-Lead Quarter Size Very Small Outline Package (QVSOP), JEDEC MO-154, 0.150" Wide
FSTU16862MTD MTD48 48-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.
© 2002 Fairchild Semiconductor Corporation DS500703
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
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 7 Páginas | |
| PDF Descargar | [ Datasheet FSTU16862.PDF ] | |
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