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Número de pieza | FST6800MTC | |
Descripción | 10-Bit Bus Switch with Pre-Charged Outputs | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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No Preview Available ! June 1997
Revised December 1999
FST6800
10-Bit Bus Switch with Pre-Charged Outputs
General Description
The Fairchild Switch FST6800 provides 10-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 precharges
the B Port to a selectable bias voltage (BiasV) to minimize
live insertion noise.
The device is organized as a 10-bit switch with a bus
enable (OE) signal. When OE is LOW, the switch is ON
and Port A is connected to Port B. When OE is HIGH, the
switch is OPEN and the B Port is precharged to BiasV
through an equivalent 10-kΩ resistor.
Features
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 Output precharge to minimize live insertion noise.
s Control inputs compatible with TTL level.
Ordering Code:
Order Number Package Number
Package Description
FST6800WM
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
FST6800QSC
MQA24
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
FST6800MTC
MTC24
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Connection Diagram
Pin Descriptions
Pin Name
OE
A
B
Description
Bus Switch Enable
Bus A
Bus B
Truth Table
OE B0–B9
L A0–A9
H BiasV
Function
Connect
Precharge
© 1999 Fairchild Semiconductor Corporation DS500022
www.fairchildsemi.com
1 page Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package Number MTC24
Technology Description
The Fairchild Switch family derives from and embodies Fairchild’s 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
FAIRCHILD’S 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
5 Page |
Páginas | Total 5 Páginas | |
PDF Descargar | [ Datasheet FST6800MTC.PDF ] |
Número de pieza | Descripción | Fabricantes |
FST6800MTC | 10-Bit Bus Switch with Pre-Charged Outputs | Fairchild Semiconductor |
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