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(yè)數(shù): 9/40頁(yè)
文件大?。?/td> 565K
代理商: SI5364
Si5364
Rev. 2.2
9
Output Clock Duty Cycle
C
DUTY_OU
T
Differential:
(CLKOUT+) – (CLKOUT–
)
48
52
%
SYNCIN Pulse Width
t
SYNCIN
Figure 3
20
ns
FSYNC Frequency
f
FSYNC
Figure 3
f
O_19
/
2430
kHz
FSYNC Pulse Width
t
FSYNC_PW
Figure 3
16
/f
O_19
s
SYNCIN to FSYNC
t
SYNCIN_DL
Y
Figure 3
38
45
52
ns
Phase Skew Between Outputs
t
skew
400
ps
RSTN/CAL Pulse Width
t
RSTN
20
ns
INCDELAY, DECDELAY Pulse
Width
t
INCDEC
Figure 5
1
μ
s
INCDELAY, DECDELAY Setup Time
t
SETUP
Figure 5
1
μ
s
INCDELAY, DECDELAY Hold Time
t
HOLD
Figure 5
1
μ
s
Transitionless Period Required on
CLKIN for Detecting an LOS Condi-
tion
t
LOS
Figure 4
24/
f
O_622
32/
f
O_622
s
Recovery Time for Clearing an LOS
or FOS Condition
VALTIME = 0
VALTIME = 1
t
VAL
Measured from when a
valid reference clock is
applied until the applica-
ble LOS or FOS flag
clears
0.09
12.0
0.22
14.1
s
Table 3. AC Characteristics (Continued)
(V
DD33
= 3.3 V ±5%, T
A
= –20 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
*Note:
The Si5364 provides a 1, 8, or 32x clock frequency multiplication function with an option for additional frequency
scaling by a factor of 255/238 or 238/255 for FEC rate compatibility.
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