jsh-42l3ad3-5 JDS Uniphase Corporation, jsh-42l3ad3-5 Datasheet - Page 7

• Manufacturer Part Number: jsh-42l3ad3-5
• Description: Sfp Pluggable 4/2/1g Fc/gbe Fp And Dfb Transceiver Rohs 6/6 Jsh-42l3ad3-5, Jsh-42l3ad3-5g, Jsh-42l3ad3-20
• Manufacturer: JDS Uniphase Corporation

Two-wire Interface Figure 1
Two-wire Interface Figure 2
Two-wire Interface Figure 3
Two-wire Interface Figure 4

continued from Figure 3
SDA
S
T
A
R
T
SCL
0
SDA
SCL
S
T
A
R
T
SDA
SCL
1
(Sequence continued from Serial ID Figure 4.)
1
start
0
0
Byte entered to allow the
user to set the starting
address for a Serial ID data read.
user to start reading data.
Acknowledge from SFF
Byte entered to allow the
1
MSB
1
1
0
Acknowledge from SFF
0
SDA
SCL
2
0
0
START
3
0
0
Data transfer on the Two-wire interface
Start and Stop Timing
Set Data Address Sequence for Read Timing
Read Data Sequence Timing
0
0
SFP PlUGGABlE 4/2/1G FC/GBE FP AND DFB TRANSCEIvER ROHS 6/6
8
0
1
ACK
9
Acknowlegement signal from slave
A
C
K
The data line is normally high. It will remain high
until an Acknowledge or a Stop command is sent.
A
C
K
0
1
0
0
Data address to start reading
data from. (Addr. 0 in this
example, 0 through 255 available)
1
An example data word.
0
0
(9A in this example)
2
STOP
Acknowledge from SFF
0
1
0
1
0
0
8
ACK
9
0
1
0
0
stop
A
C
K
S
T
A
R
T
S
T
O
P