參數(shù)資料
型號(hào)： IBM42P21SNYAA10
廠商： IBM Microeletronics
英文描述： 2x Fibre Channel Small Form Factor Hot-Pluggable Transceiver(2x光纖通道小外形封裝可帶電插收發(fā)器)
中文描述： 2倍光纖通道纖巧熱插拔收發(fā)器（2倍光纖通道小外形封裝可帶電插收發(fā)器）
文件頁(yè)數(shù)： 20/34頁(yè)
文件大?。?/td> 180K
代理商： IBM42P21SNYAA10
IBM42P21SNYAA10
IBM42P21LNYAA10
2x / 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Page 20 of 31
08/15/00
Serial ID Timing Specifications
Serial ID Data and Descriptions
The Serial ID tables on the following pages contain specific information about the data contained within the
Serial ID EEPROM. Serial ID Table 1 on page 21 is a summary of all of the data fields in the Serial ID
EEPROM. Tables 2-6 contain translations of data words for each specific data field. Tables 1 list actual Serial
ID Data for the short wave products.
All ID information is stored in eight-bit parameters addressed from 00h to 7Fh. All numeric information fields
have the lowest address in the memory space storing the highest order byte. The highest order bit is always
transmitted first. All numeric fields will be padded on the left with zeros. All character strings are ordered with
the first character to be displayed located in the lowest address of the memory space. All character strings
will be padded on the right with ASCII spaces (20h) to fill empty bytes.
Check Codes
The check codes contained within the identification data are one byte codes that can be used to verify that
the data in previous addresses is valid. CCID check code is the lower eight bits of the sum of the contents of
bytes 0-62. CCEX check code is the lower eight bits of the sum of the contents of bytes 64-94.
Parameter
Symbol
Min
Typical
Max
Units
Notes
Clock Frequency
f
SID
100
kHz
1
Clock Pulse Width Low
t
LOW
1.2
μ
s
1
Clock Pulse Width High
t
HIGH
0.6
μ
s
1
Clock Low to Data Out Valid
t
AA
0.1
0.9
μ
s
1
Time the data line must be free before a new
transmission can start
t
BUF
1.2
μ
s
1
Start Hold Time
t
HD.STA
0.6
μ
s
1
Start Set-up Time
t
SU.STA
0.6
μ
s
1
Data In Hold Time
t
HD.DAT
0
μ
s
1
Data In Set-up Time
t
SU.DAT
100
ns
1
Inputs Rise Time
t
R
0.3
μ
s
1
Inputs Fall Time
t
F
300
ns
1
Stop Set-up Time
t
SU.STO
0.6
μ
s
1
Data Out Hold Time
t
DH
50
ns
1
1. See Serial ID Figure 4 on page 9 for timing relationships. See Serial Module Definition Protocol (Serial ID) on page 8 and Serial ID
Data and Descriptions on page 26 for more information on Serial ID implementation.
相關(guān)PDF資料
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IBM42P21LNYAA10 1x Fibre Channel Small Form Factor Hot-Pluggable Transceiver(1x吉位光纖通道小格式可帶電插收發(fā)器)
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