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參數(shù)資料
| 型號(hào)： | SYM53C140 |
| 廠商： | LSI CORP |
| 元件分類： | 其它接口 |
| 英文描述： | Ultra2 SCSI Bus Expander(Ultra2 SCSI總線擴(kuò)展器) |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PQFP160 |
| 封裝： | 32 MM, PLASTIC, QFP-160 |
| 文件頁(yè)數(shù)： | 58/68頁(yè) |
| 文件大小： | 928K |
| 代理商： | SYM53C140 |
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B-4
Glossary
LSB
Abbreviation for Least Significant Bit or Least Significant Byte. That
portion of a number, address or field that occurs right-most when its value
is written as a single number in conventional hexadecimal or binary
notation. The portion of the number having the least weight in a
mathematical calculation using the value.
LUN
Logical Unit Number. Used to identify a logical unit.
Mandatory
A characteristic or feature that must be present in every implementation of
the standard.
MHz
MegaHertz – Measurement in millions of Hertz per second. Used as a
measurement of data transfer rate.
microsecond
(
μ
s)
One millionth of a second.
MSB
Abbreviation for Most Significant Bit or Most Significant Byte. That portion
of a number, address or field that occurs left-most when its value is
written as a single number in conventional hexadecimal or binary
notation. The portion of the number having the most weight in a
mathematical calculation using the value.
MSG/
Message – Driven active by a target during the Message Phase. This
signal is received by the initiator.
nanosecond
(ns)
One billionth of a second.
Negated
A signal is negated or deasserted when it is in the state opposite to that
which is indicated by the name of the signal. Opposite of asserted.
Negation
The act of driving a signal to the false state or allowing the cable
terminators to bias the signal to the false state.
Parity
A method of checking the accuracy of binary numbers. An extra bit, called
a parity bit, is added to a number. If even parity is used, the sum of all 1s
in the number and its corresponding parity is always even. If odd parity is
used, the sum of the 1s and the parity bit is always odd.
Peripheral
device
A device that can be attached to the SCSI bus. Typical peripheral devices
are disk drives, tape drives, printers, CD ROMs, or communications units.
Phase
One of the eight states to which the SCSI bus can be set. During each
phase, different communication tasks can be performed.
Port
A connection into a bus.
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| SYM53C141 | SCSI Bus Expander(SCSI總線擴(kuò)展器) |
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| SYM53C710 | 32-Bit SCSI I/O Processor(32位SCSI I/O處理器) |
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相關(guān)代理商/技術(shù)參數(shù) |
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| SYM53C141 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC |
| SYM53C400A | 制造商:SYMBIOS 功能描述: |
| SYM53C770 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SCSI Bus Interface/Controller |
| SYM53C876E(PBGA) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SCSI Bus Interface/Controller |
| SYM53C876E(PQFP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SCSI Bus Interface/Controller |
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