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HFBR-779BHWZ
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
16
Figure 7. Recommended ac coupling and data signal t
ermination.
NOTE:
AC COUPLING CAPACITORS SHOULD BE USED TO CONNECT DATA OUTPUTS
TO DATA INPUTS BETWEEN THE HFBR-779B, HFBR-789B, AND HOST BOARD
ICs (e.g., ASIC) WITH EITHER 50
SINGLE-ENDED OR 100
DIFFERENTIAL
TERMINATIONS AS SHOWN. THE CAPACITORS' VALUES CAN BE REDUCED FROM
100 nF (0603 SIZE) IF THE DATA RATE AND RUN LENGTH ARE LIMITED.
DATA OUT (+)
HFBR-779BZ
R
50
DATA OUT (–)
R
50
R
100
ASIC
HFBR-789BZ
RDL
100
D
OUT
(+)
D
OUT
(–)
C = 100 nF
C = 100 nF
C = 100 nF
C = 100 nF
UNUSED RECEIVER
CHANNEL OUTPUTS
MUST BE TERMINATED.
D
IN+
D
IN–
TRANSMITTER
∅
V
DIN
–
+
D
OUT+
D
OUT–
RECEIVER
–
+
∅
V
DOUT
∅
V
DI/OH
∅
V
DI/OL
V
DI/O+
V
DI/O–
∅
V
DI/O P-P
∅
V
DI/OL
–
+
∅
V
DI/OH
V
DI/O
REFERS TO
EITHER V
DIN
OR V
DOUT
AS APPROPRIATE
Figure 8. Dierential signals.
17
Figure 9. Package board footprint (
dimensions in mm). PCB top view
.
2 x
∅
2.54 MIN. P
AD KEEP-OUT
18.42 MIN.
13.72
50
KEEP-OUT AREA
FOR MPO CONNECTOR
5.46
30.23
1.89 REF.
8.00
9 x 1.27 TOT = 11.43
8.95 REF.
FRONT
SYM.
9 x 1.27 TOT = 11.43
18 REF.
SYM.
END OF
MODULE
2 x
∅
1.7 ± 0.05 HOLES
3 x
∅
4.17 MIN. P
AD KEEP-OUT
3 x
∅
2.69 ± 0.05 HOLES
FOR #2 SCREW
(10 x 10 =) 100 x
∅
0.58 ± 0.05 P
ADS
PCB LAYOUT
(TOP VIEW)
100 PIN FCI
MEG-Array® PLUG
CONNECT
ORS
Rx
Tx
∅
0.1
A
B-C
∅
0.1
A
B-C
∅
0.1
A
B-C
∅
0.1
A
B-C
B
A
C
∅
0.05
A
B-C
18
Figure 10. Rx data output equiv
alent circuit.
Figure 11. T
x data input equiv
alent circuit.
V
CCR
50
50
V
EE
D
OUT+
D
OUT–
D
IN+
50
D
IN–
50
Z
IN
V
BIAS
(NOMINAL 1.7 V)
V
CCT
V
EE
V
CC
TX OUT 0
TX OUT 1
TX OUT 2
TX OUT 11
~6.5 ms
~60 ms
V
CC
> 2.8 V
SHUTDOWN
SHUTDOWN
SHUTDOWN
SHUTDOWN
NORMAL
NORMAL
NORMAL
NORMAL
~4.6 ms
~4.6 ms
-FAULT
~100 ns
~Toff
<200 µs
TX OUT CH 0-11
NO FAULT DETECTED
FAULT DETECTED
Figure 12. T
ypical transmitter power-up sequence
.
Figure 13. T
ransmitter F
AUL
T signal timing diagram.
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
HFBR-779BHWZ
Mfr. #:
Buy HFBR-779BHWZ
Manufacturer:
Broadcom / Avago
Description:
Fiber Optic Transmitters, Receivers, Transceivers Tx 2.5G Plgb 62.5um wo HS RoHS
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
T/T
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Union
Products related to this Datasheet
HFBR-779BEWZ
HFBR-779BHWZ
HFBR-779BWZ
HFBR-789BEZ