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PDF FST162861 Data sheet ( Hoja de datos )

Número de pieza FST162861
Descripción 20-Bit Bus Switch with 25W Series Resistors in Outputs
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



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No Preview Available ! FST162861 Hoja de datos, Descripción, Manual

March 2000
Revised June 2005
FST162861
20-Bit Bus Switch with 25: Series Resistors in Outputs
General Description
The Fairchild Switch FST162861 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 10-bit or 20-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. When OEX is HIGH, a high impedance state
exists between the A and B ports. The FST162861 has an
equivalent 25: series resistors to reduce signal-reflection
noise, eliminating the need for external terminating resis-
tors.
Features
s 25: 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.
Ordering Code:
Order Number
Package
Number
Package Description
FST162861MTD
(Note 1)
MTD48 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
FST162861MTDX_NL
(Note 2)
MTD48
Pb-Free 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
6.1mm Wide
Note 1: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Note 2: “_NL” indicates Pb-Free product (per JEDEC J-STD-020B). Device is available in Tape and Reel only.
© 2005 Fairchild Semiconductor Corporation DS500319
www.fairchildsemi.com

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FST162861 pdf
Physical Dimensions inches (millimeters) unless otherwise noted
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Package Number MTD48
Technology Description
The Fairchild Switch family derives from and embodies Fairchilds proven switch technology used for several years in its
74LVX3L384(FST3384) bus switch product.
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
5 www.fairchildsemi.com

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