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參數(shù)資料
| 型號(hào)： | MC100SX1451FI100FI |
| 廠商： | Motorola, Inc. |
| 英文描述： | Current-Limited, Power-Distribution Switches 8-MSOP-PowerPAD -40 to 85 |
| 中文描述： | AUTOBAHNE⑩⑩SPANCEIVERE |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 197K |
| 代理商： | MC100SX1451FI100FI |
SEMICONDUCTOR TECHNICAL DATA
1
REV 0
Motorola, Inc. 1997
7/97
!
The MC100SX1451FI100 AutoBahn chip is a high–speed serial–
to–parallel, parallel–to–serial transceiver. The AutoBahn can be used to
implement a high–speed, half–duplex, bi–directional serial data link with
an effective data transfer rate of 100MByte/sec. A higher performance
AutoBahn chip, with user selectable serial data transfer rates of 100 or
200MByte/s, is planned (see the MC100SX1451FI200 datasheet).This
serial link can be used to establish multi–point or point–to–point
connections. A unique differential cutoff driver switches from a standard
PECL VOH level to cutoff. In the cutoff state the outputs present a high
impedance which is required to implement a true shared bus. The part
features a 32–bit wide parallel TTL compatible I/O interface that can
connect directly with standard memory or bus transceiver devices. The
control pins are all TTL compatible to simplify interfacing requirements.
The serial interface is PECL (Positive Emitter Coupled Logic) which
provides excellent transmission line drive capability. Because the serial
bus is implemented using differential ECL technology, the receiver
circuitry exhibits excellent common mode noise rejection.
100MByte/s Serial Data Transfer Capability
TTL Compatible Parallel Interface
Supports 16– or 32–Bit Data Bus Interfaces
Bus Driving Differential ECL Serial Outputs
On–Board Clock Recovery and Data Synchronization
64–Pin Surface Mount CQFP Packaging
Parallel Data Bus Handshake Control
An innovative data synchronizing architecture allows data to be transmitted in bursts without preamble bits. This allows
instantaneous data acquisition without the inherent overhead of traditional PLL clock recovery. Thus, the data transfer is nearly
overhead free with only one synchronization bit for every byte of data transmitted. Insertion and removal of synchronization bits
are totally transparent to the user.
The AutoBahn supports variable data transfer rates. This is accomplished by combining the fixed burst transfer rates of 50 or
100MByte/s with a flexible method of allowing data to be written into the AutoBahn for transfer. If new data has not been written
into the parallel data register prior to the completion of a serial data burst, the AutoBahn will insert a gap in the serial data stream.
Therefore, the effective throughput of the serial bus is throttled by the speed of the parallel host interface which writes data to the
chip.
With its very high block data transfer capability and instantaneous start up ability, the AutoBahn is ideally suited for multimedia
graphics applications and parallel processing architectures requiring multi–processor communication links.
Motorola’s state–of–the–art MOSAIC V
process allows for the realization of 1.8GHz internal clock rates at power levels
which are compatible with today’s low profile surface mount packages. Furthermore, the design is implemented with a
flow–through pinout architecture to simplify PCB layout and routing. The board space efficiency of the CQFP ensures that the
AutoBahn device will prove valuable in the most demanding space conscious applications.
The AutoBahn chip works from a single +5.0V supply. Separate internal VCC busses isolate the TTL outputs from the high
speed PECL circuitry.
AutoBahn and Spanceiver are trademarks of PEP Modular Computers.
‘Spanceiver’ has been formed as a contraction of Serial/Parallel Transceiver.
MOSAIC V is a trademark of Motorola, Inc.
AUTOBAHN
SPANCEIVER
FI SUFFIX
CERAMIC QFP PACKAGE
CASE 963–02
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