TAQ RSTN/CAL high to CAL_ACTV low, with valid clock input and VALTI" />
參數(shù)資料
型號(hào): SI5320-H-BL
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 5/34頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK MULT SONET/SDH 63-PBGA
標(biāo)準(zhǔn)包裝: 260
系列: DSPLL®
類型: 時(shí)鐘乘法器
PLL:
輸入: LVTTL
輸出: CML
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 693MHz
除法器/乘法器: 是/是
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -20°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 63-LBGA
供應(yīng)商設(shè)備封裝: 63-PBGA(9x9)
包裝: 托盤
Si5320
Rev. 2.5
13
Acquisition Time
TAQ
RSTN/CAL high to
CAL_ACTV low, with valid
clock input and
VALTIME = 0
300
350
ms
Clock Output Wander with
Temperature Gradient 1,2
CCO_TG
Stable Input Clock;
Temperature
Gradient <10
°C/min;
800 Hz Loop BW
50
ps/
°C/
min
Initial Frequency Accuracy in Digital Hold
Mode (first 100 ms with supply voltage and tem-
perature held constant)
CDH_FA
Stable Input Clock
Selected until entering
Digital Hold
10
ppm
Clock Output Frequency Accuracy Over
Temperature in Digital Hold Mode
CDH_T
Constant Supply Voltage
16.7
30
ppm
/
°C
Clock Output Frequency Accuracy Over Supply
Voltage in Digital Hold Mode
CDH_V33
Constant Temperature
250 ppm
/V
Clock Output Phase Step3 (See Figure 8)
tPT_MTIE
When hitlessly recovering
from Digital Hold mode
1/1
–200
0
200
ps
Clock Output Phase Step Slope3 (See Figure 8)
BWSEL[1:0] = 11, FEC[1:0] = 00, DBLBW = 0
BWSEL[1:0] = 00, FEC[1:0] = 00, DBLBW = 0
BWSEL[1:0] = 01, FEC[1:0] = 00, DBLBW = 0
BWSEL[1:0] = 10, FEC[1:0] = 00, DBLBW = 0
mPT
When hitlessly recovering
from Digital Hold mode
6400 Hz, No Scaling
3200 Hz, No Scaling
1600 Hz, No Scaling
800 Hz, No Scaling
10
5
2.5
1.25
ps/
μs
Table 4. AC Characteristics (PLL Performance Characteristics) (Continued)
(VDD33 = 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/
μs unit is used here since the maximum phase transient magnitude for the
Si5320 (tPT_MTIE) never reaches one nanosecond.
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