ORT8850H AGERE [Agere Systems], ORT8850H Datasheet - Page 57

• Manufacturer Part Number: ORT8850H
• Description: Field-Programmable System Chip (FPSC) Eight-Channel x 850 Mbits/s Backplane Transceiver
• Manufacturer: AGERE [Agere Systems]

Data Sheet
August 2001
Agere Systems Inc.
HSI Electrical and Timing Characteristics
Table 15. Absolute Maximum Ratings
Table 16. Recommended Operating Conditions
Table 17. Receiver Specifications
* Scrambled data stream conforming to SONET STS-12 and SDH STM-4 data format using either a PN7 or PN9 sequence.
† This sequence should not occur more than once per minute.
‡ Translates to a frequency change of 500 ppm.
§ A unit interval for 622.08 Mbits/s data is 1.6075 ns.
Table 18. Transmitter Specifications
Table 19. Synthesizer Specifications
* External 10 k resistor to analog ground required.
† Translates to a frequency change of 500 ppm.
Power Dissipation on V
V
Junction Temperature
Input Data*
Stream of Nontransitions
Phase Change, Input Signal
Eye Opening
Jitter Tolerance
Jitter Tolerance:
Output Jitter, Generated
Output Jitter, Generated (including I/O buffers)
PLL*
Loop Bandwidth
Jitter Peaking
Powerup Reset Time
Lock Aquisition Time
Input Reference Clock
Frequency
Frequency Deviation
Phase Change
—PN7 characteristic is 1 + X
—PN9 characteristic is 1 + X
Alternatively 8B/10B encoded data is also valid input data.
250 kHz
25 kHz
2 kHz
DD
15 Supply Voltage
Parameter
Parameter
Parameter
§
Parameter
Parameter
DD
6
4
+ X
+ X
†
A_STM
7
9
.
.
Over a 200 ns time interval
Over a 200 ns time interval
Eight-Channel x 850 Mbits/s Backplane Transceiver
Eight channels
Conditions
Conditions
Conditions
Conditions
250 kHz to 5 MHz (measured
with a spectrum analyzer)
—
T
—
—
—
—
—
—
—
—
—
J
250 kHz to 5 MHz
Conditions
‡
†
62.5
Min
Min
Min
–40
Min
1.4
0.4
10
—
—
—
—
—
—
—
—
—
—
—
Min
—
—
Typ
Typ
Typ
ORCA ORT8850 FPSC
—
—
—
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ
—
—
212.50
Max
Max
Max
385
125
100
100
1.6
Max
100
—
0.6
6
2
1
60
60
—
6
Max
0.15
0.25
U
U
U
U
MHz
MHz
Unit
Unit
Unit
ppm
mW
Unit
bits
U
U
ms
dB
°C
ps
ps
Unit
V
I
I
I
I
s
p-p
p-p
p-p
p-p
I
I
p-p
p-p
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