參數(shù)資料
型號(hào): SI5364
廠商: Electronic Theatre Controls, Inc.
英文描述: SONET/SDH PRECISION PORT CARD CLOCK IC
中文描述: SONET / SDH的精密端口卡時(shí)鐘IC
文件頁數(shù): 12/40頁
文件大?。?/td> 565K
代理商: SI5364
Si5364
12
Rev. 2.2
CLKOUT Peak-Peak Jitter Generation
FEC[1:0] = 01, 10 (255/238, 238/255 scal-
ing)
J
GEN(PP)
12 kHz to 20 MHz
7.1
12.0
ps
50 kHz to 80 MHz
3.0
5.5
ps
Jitter Transfer Bandwidth (see Figure 9)
F
BW
BW = 6400 Hz
6400
Hz
Wander/Jitter Transfer Peaking
J
P
T
AQ
< 6400 Hz
0.05
.1
dB
Acquisition Time
RSTN/CAL high to
CAL_ACTV low, with valid
clock input and VALTIME = 0
195
350
ms
Clock Output Wander with
Temperature Gradient
1,2
C
CO_TG
Stable Input Clock;
Temperature
Gradient < 10
°
C/min;
800 Hz Loop BW
40
ps/
°
C/
min
Initial Frequency Accuracy in Digital Hold
Mode (first 100 ms with supply voltage and
temperature held constant)
C
DH_FA
Stable Input Clock
Selected until entering
Digital Hold
7.0
ppm
Clock Output Frequency Accuracy Over
Temperature in Digital Hold Mode
C
DH_T
Constant Supply Voltage
16.2
30
ppm
/
°
C
Clock Output Frequency Accuracy Over
Supply Voltage in Digital Hold Mode
C
DH_V33
Constant Temperature
25
500
ppm
/V
Clock Output Phase Step
t
PT_MTIE
During Clock Switching
1/1
–200
0
200
ps
Clock Output Phase Step Slope
3
—Manual
Switches
BWSEL[1:0] = 11
BWSEL[1:0] = 00
BWSEL[1:0] = 01
BWSEL[1:0] = 10
m
PT
During Clock Switching
6400 Hz
3,200 Hz
1600 Hz
800 Hz
10
5
2.5
1.25
ps/
μ
s
Table 4. AC Characteristics (PLL Performance Characteristics) (Continued)
(V
DD33
= 3.3 V ± 5%, TA = –20 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Notes:
1.
Higher PLL bandwidth settings provide smaller clock output wander with temperature gradient.
2.
For reliable device operation, temperature gradients should be limited to 10 °C/min.
3.
Telcordia GR-1244-CORE requirements specify maximum phase transient slope during clock rearrangement in terms
of nanoseconds per millisecond. The equivalent ps/
μ
s unit is used here since the maximum phase transient magnitude
for the Si5364 (t
PT_MTIE
) never reaches one nanosecond.
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