參數(shù)資料
型號(hào): XRT91L33IGTR-F
廠商: Exar Corporation
文件頁(yè)數(shù): 4/16頁(yè)
文件大小: 0K
描述: IC MULTIRATE CDR 20TSSOP
標(biāo)準(zhǔn)包裝: 2,500
類型: 時(shí)鐘和數(shù)據(jù)恢復(fù)(CDR),時(shí)鐘/頻率同步器,多路復(fù)用器
PLL:
主要目的: 以太網(wǎng),SONET/SDH
輸入: LVDS,LVPECL
輸出: LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 622.08MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
XRT91L33
12
STS-12/STS-3 MULTIRATE CLOCK AND DATA RECOVERY UNIT
REV. V1.0.0
4.0
JITTER PERFORMANCE
4.1
SONET Jitter Requirements
SONET receive equipment jitter requirements are specified jitter tolerance and jitter transfer. The definitions of
each of these types of jitter are given below.
4.1.1
Rx Jitter Tolerance:
OC-3/STM-1, and OC-12/STM-4 category II SONET interfaces should tolerate, the input jitter applied
according to the mask of Figure 6, with the corresponding specified parameters. Jitter measurements are
done with standard SONET/SDH testers such as Acterna ANT20 as well as Agilent Omniber testers.
FIGURE 5. GR-253/G.783 JITTER TOLERANCE MASK
OC-N
STM-X LEVEL
1
3
12
F0 (HZ)
10
10
F1 (HZ)
30
30
F2 (HZ)
300
300
F3 (HZ)
2K
6.5K
25K
F4 (HZ)
20K
65K
250K
A1 (UIPP)
0.15
0.15
A2 (UIPP)
1.5
1.5
A3 (UIPP)
15
15
Input
Jitter
Amplitude
(UIpp)
A3
A2
A1
f0
f1
f2
f3
f4
slope= -20dB/decade
Jitter Frequency (Hz)
3
12
10
30
300
2K
6.5K
25K
20K
65K
250K
0.15
1.5
15
OC1/STS1
STM0
OC3/STS3
STM1
OC12/STS12 STM4
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