SI5100 Silicon Laboratories, SI5100 Datasheet - Page 11

• Manufacturer Part Number: SI5100
• Description: OC-48/STM-16 SONET/SDH TRANSCEIVER
• Manufacturer: Silicon Laboratories

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Table 6. AC Characteristics (Transmitter Clock Multiplier)
(V
Parameter
Jitter Transfer Bandwidth
(OC–48: 2.48832 Gbps)
Jitter Transfer Bandwidth
(FEC: 2.66667 Gbps)
Jitter Transfer Peaking
Acquisition Time
Input Reference Clock Frequency RC
Input Reference Clock Duty
Cycle
Input Reference Clock Frequency
Tolerance
Random rms Jitter Generation,
TXCLKOUT (PRBS 31)
Total Peak-to-Peak Jitter Genera-
tion, TXCLKOUT, TXDOUT
(PRBS 31)
Notes:
DD
1. Bellcore specifications: GR-253-CORE, Issue 3, September 2000.
2. Full duplex; REFCLK = 155 MHz.
= 1.8 V ±5%, T
2
A
= –20 to 85 °C)
2
J
J
Symbol
RC
GEN(rms)
RC
GEN(pp)
J
J
T
BW
BW
FREQ
DUTY
AQ
TOL
BWSEL[1:0] = 00
BWSEL[1:0] = 01
BWSEL[1:0] = 10
BWSEL[1:0] = 00
BWSEL[1:0] = 01
BWSEL[1:0] = 10
BWSEL[1:0] = 00
BWSEL[1:0] = 01
BWSEL[1:0] = 10
BWSEL[1:0] = 00
BWSEL[1:0] = 01
BWSEL[1:0] = 10
BWSEL[1:0] = 11
BWSEL[1:0] = 11
BWSEL[1:0] = 11
BWSEL[1:0] = 11
Rev. 1.1
Test Condition
Valid REFCLK
REFRATE = 1
REFRATE = 0
1
–100
Min
40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.05
25.5
24.0
22.0
22.0
Typ
155
2.5
2.0
1.7
1.7
78
—
—
—
—
—
—
—
—
—
—
—
Max
84.4
Si5100
120
200
120
200
169
100
0.1
3.4
2.4
2.1
1.8
12
50
12
50
20
60
34
33
27
26
mUI
mUI
mUI
mUI
mUI
mUI
mUI
mUI
MHz
Unit
ppm
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
ms
dB
%
rms
rms
rms
rms
pp
pp
pp
pp
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