IBM42S10LNYAA20 IBM42S12SNYAA20 IBM42S10SNNAA20
IBM42S12LNYAA20 IBM42S10LNNAA20 IBM42S10SNYAA20
1063/1250MBd Gigabit Interface Converter
Serial ID Figure 3 Read Data Sequence Timing
The data line is normally high. It will remain high
until an Acknowledge or a Stop command is sent.
Acknowledge from GBIC
SDA
A
C
1
0
0
0
0
1
0
1
0
0
1
1
0
1
0
K
SCL
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
S
T
A
R
T
S
T
O
P
Byte entered to allow the
user to start reading data.
(Sequence continued from Serial ID Figure 2.)
An example data word.
(9A in this example)
Serial ID Figure 4 Critical Timings for GBIC-1063NS, GBIC-1063NS-LW, GBIC-1250NS, and GBIC-1250NS-LW
Parameters are defined in Serial ID Timing Specifications on page 21.
tR
tHIGH
tF
tLOW
tLOW
SCL
tHD.DAT
tSU.STA
tHD.STA
tSU.STO
tSU.DAT
SDA IN
tBUF
tAA
tDH
SDA OUT
GBIC.03
January 18, 2001
©IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
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