![](http://datasheet.mmic.net.cn/Silicon-Laboratories-Inc/SI5023-D-GM_datasheet_102105/SI5023-D-GM_9.png)
Si5023
Rev. 1.3
9
Table 4. AC Characteristics (PLL Characteristics)
(VDD = 3.3 V ±5%, TA = –40 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Jitter Tolerance
(OC-48)*
JTOL(PP)
f = 600 Hz
40
—
UIPP
f = 6000 Hz
4
—
UIPP
f = 100 kHz
3
—
UIPP
f = 1 MHz
0.3
—
UIPP
Jitter Tolerance
(OC-12 Mode)*
JTOL(PP)
f = 30 Hz
60
—
UIPP
f = 300 Hz
6
—
UIPP
f = 25 kHz
4
—
UIPP
f = 250 kHz
0.4
—
UIPP
Jitter Tolerance
(OC-3 Mode)*
JTOL(PP)
f = 30 Hz
60
—
UIPP
f = 300 Hz
6
—
UIPP
f = 6.5 kHz
4
—
UIPP
f = 65 kHz
0.4
—
UIPP
Jitter Tolerance (Gigabit Ethernet)
Receive Data Total Jitter
Tolerance
TJT(PP)
IEEE 802.3z Clause 38.6.8
600
—
ps
Jitter Tolerance (Gigabit Ethernet)
Receive Data Deterministic Jitter
Tolerance
DJT(PP)
IEEE 802.3z Clause 38.6.9
370
—
ps
RMS Jitter Generation*
JGEN(RMS) with no jitter on serial data
—
3.0
5.0
mUI
Peak-to-Peak Jitter Generation*
JGEN(PP)
with no jitter on serial data
—
25
55
mUI
Jitter Transfer Bandwidth*
JBW
OC-48 Mode
—
2.0
MHz
OC-12 Mode
—
500
kHz
OC-3 Mode
—
130
kHz
Jitter Transfer Peaking*
JP
—0.03
0.1
dB
Acquisition Time—OC-48
(Reference clock applied)
TAQ
After falling edge of
RESET/CAL
—1.6
2.2
ms
From the return of valid
data
20
100
500
s
Acquisition Time—OC-48
(Reference-less operation)
TAQ
After falling edge of
RESET/CAL
—2.0
5.5
ms
From the return of valid
data
1.5
2.5
5.5
ms
Reference Clock Range
—
155.52
77.76
19.44
—MHz
Input Reference Clock Frequency
Tolerance
CTOL
–500
—
500
ppm
Frequency Difference at which
Receive PLL goes out of Lock
(REFCLK compared to the divided
down VCO clock)
—±650
—
ppm
*Note: As defined in Bellcore specifications: GR-253-CORE, Issue 3, September 2000. Using PRBS 223 – 1 data pattern.