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參數(shù)資料
| 型號： | SYM53C141 |
| 廠商： | LSI CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SCSI Bus Expander(SCSI總線擴(kuò)展器) |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PQFP128 |
| 封裝： | PLASTIC, QFP-128 |
| 文件頁數(shù)： | 54/68頁 |
| 文件大小： | 630K |
| 代理商： | SYM53C141 |
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A-4
Glossary of Terms and Abbreviations
LSB
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 thousands of cycles per second. Used as a
measurement of data transfer rate.
μ
s
Microsecond
One millionth of a second.
MSB
Most Significant Bit and 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.
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 (by placing the driver in
the high impedance condition).
ns
Nanosecond
One billionth of a second.
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 ones in the number and its corresponding parity is always even. If
odd parity is used, the sum of the ones and the parity bit is always odd.
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