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HFBR-779BZ Datasheet(PDF) 7 Page - AVAGO TECHNOLOGIES LIMITED

Part No. HFBR-779BZ
Description  Pluggable Parallel Fiber Optic Modules, Transmitter and Receiver
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Maker  AVAGO [AVAGO TECHNOLOGIES LIMITED]
Homepage  http://www.avagotech.com
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HFBR-779BZ Datasheet(HTML) 7 Page - AVAGO TECHNOLOGIES LIMITED

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7
Receiver Electrical Characteristics
(TC = 0 °C to +80 °C, VCC = 3.3 V ± 5%, Typical TC = +40 °C, VCC = 3.3 V)
Notes:
1. ICCR is the dc supply current, dependent upon the number of active channels, where the Data Outputs are ac coupled with capacitors between the
outputs and any resistive terminations. See Figure 7 for recommended termination.
2. Measured over the range 4 MHz to 2 GHz.
3. DVDOUTP-P = DVDOUTH – DVDOUTL, where DVDOUTH = High State Differential Data Output Voltage and DVDOUTL = Low State Differential Data Output
Voltage. DVDOUTH and DVDOUTL = VDOUT+ – VDOUT–, measured with a 100 W differential load connected with the recommended coupling capacitors
and with a 2500 MBd, 8B10B serial encoded data pattern.
4. Inter-channel Skew is defined for the condition of equal amplitude, zero ps skew input signals. Input power at –10 dBm.
5. Rise and Fall Times are measured between the 20% and 80% levels using a 500 MHz square wave signal.
6. The Signal Detect output will change from logic “0” (Low) to “1” (High) within the specified assert time for a step transition in optical input power
from the de-asserted condition to the specified asserted optical power level on all 12 channels.
7. The Signal Detect output will change from logic “1” (High) to “0” (Low) within the specified de-assert time for a step transition in optical input
power from the specified asserted optical power level to the de-asserted condition on any 1 channel.
Parameter
Symbol
Min.
Typ.
Max.
Unit
Reference
(Conditions)
Supply Current
ICCR
400
445
mA
1, Fig. 5
Power Dissipation
PDISR
1.3
1.55
W
Differential Output Impedance
ZOUT
80
100
120
W
2, Fig. 8, 10
Data Output Differential Peak-to-Peak
Voltage Swing
D
VDOUTP-P
450
600
750
mVP-P
3, Figs. 7, 8
Inter-channel Skew
100
150
ps
4
Differential Data Output Rise/Fall Time
tr/tf
110
150
ps
5
Signal Detect Assert Time (OFF-to-ON)
De-assert Time (ON-to-OFF)
tSDA
tSDD
170
190
µs
µs
6
7
Control I/O
Output Voltage Low
LVTTL & LVCMOS
Output Voltage High
Compatible
VOL
VOH
VEE
2.5
3.1
0.4
VCC
V
V
(IOL = 4.0 mA)
(IOH = -0.5 mA)


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