參數(shù)資料
型號(hào): SM3-19.44M
廠商: Connor-Winfield
文件頁(yè)數(shù): 14/36頁(yè)
文件大小: 0K
描述: IC MOD TIMING 19.440MHZ STATUM 3
標(biāo)準(zhǔn)包裝: 1
系列: SM3
類型: 定時(shí)模塊,系統(tǒng)時(shí)鐘
PLL:
主要目的: 以太網(wǎng),ADM,DSLAM,SONET/SDH,Stratum,TDM
輸入: LVCMOS
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 4:3
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 19.44MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 32-DIP 模塊
包裝: 管件
其它名稱: CW642
SM3 19.44M
SM319.44M
SM3 Data Sheet #:
TM052
Page 21 of 36 Rev: 06 Date: 01/26/11
Copyright 2011 The Connor-Winfield Corp. All Rights Reserved
Specifications subject to change without notice
Performance Specifications continued
Wander Transfer – Wander transfer is the degree to which input wander is attenuated (or amplified) from input to output of a clock.
The GR-1244 requirements for wander transfer limits are shown below.
Integration time,
τ (seconds)
Stratum 3 TDEV (nanoseconds)
τ <0.05
N/A
0.05
τ <0.1
1020x
τ
0.1
τ <1.44
102
1.44
τ<10
102
10
τ<300
32.2x
τ 0.5
300
τ≤1000
32.2x
τ 0.5
1000<
τ
N/A
The SM3, when configured for the appropriate stratum 3 bandwidth frequency, meets the stratum 3 requirements,
Jitter Generation – Jitter generation is the process whereby jitter appears at the output of a clock in the absence of input jitter.
The device jitter generation performance is as shown below:
Jitter
19.44 MHz
77.76 MHz
Broadband
8psTypical(rms)
8psTypical(rms)
(10Hz-2MHz)
SONETBand
(12kHz-2MHz)
(12kHz-20MHz)
5psTypical(rms)
1.5psTypical(rms)
Jitter Transfer – Jitter transfer is the degree to which input jitter is attenuated (or amplified) from input to output of a clock. It is a
function of the selected bandwidth.
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