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PDF FST16212 Data sheet ( Hoja de datos )
| Número de pieza | FST16212 | |
| Descripción | 24-Bit Bus Exchange Switch | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FST16212 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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July 1997
Revised December 1999
FST16212
24-Bit Bus Exchange Switch
General Description
The Fairchild Switch FST16212 provides 24-bits of high-
speed CMOS TTL-compatible bus switching or exchang-
ing. 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 operates as a 24-bit bus switch or a 12-bit bus
exchanger, which allows data exchange between the four
signal ports via the data-select terminals.
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 Control inputs compatible with TTL level.
Ordering Code:
Order Number Package Number
Package Description
FST16212MEA
MS56A
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
FST16212MTD
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.
Logic Diagram
Connection Diagram
Truth Table
S2 S1 S0 A1 A2
LLLZZ
L L H B1 Z
L H L B2 Z
L H H Z B1
H L L Z B2
HL HZ Z
H H L B1 B2
H H H B2 B1
Function
Disconnect
A1 = B1
A1 = B2
A2 = B1
A2 = B2
Disconnect
A1 = B1, A2 = B2
A1 = B2, A2 = B1
Pin Descriptions
Pin Name
S2, S1, S0
A1, A2
B1, B2
Description
Data-select inputs
Bus A
Bus B
© 1999 Fairchild Semiconductor Corporation DS500038
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Package Number MTD56
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
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet FST16212.PDF ] | |
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