FEMTOCLOCK CRYSTAL-TO-LVDS CLOCK GENERATOR IDT / ICS LVDS CLOCK GEN" />
參數(shù)資料
型號(hào): ICS843251AGI-14LFT
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 11/15頁(yè)
文件大小: 0K
描述: IC CLK GEN ETHERNET 25MHZ 8TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: HiPerClockS™, FemtoClock™
類型: 時(shí)鐘發(fā)生器
PLL:
輸入: 晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 170MHz
除法器/乘法器: 是/是
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 8-TSSOP
包裝: 帶卷 (TR)
ICS844251-14
FEMTOCLOCK CRYSTAL-TO-LVDS CLOCK GENERATOR
IDT / ICS LVDS CLOCK GENERATOR
5
ICS844251BG-14 REV. A NOVEMBER 19, 2012
AC Electrical Characteristics
Table 5A. AC Characteristics, VDD = 3.3V ± 5%, TA = 0°C to 70°C
NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the
device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after
thermal equilibrium has been reached under these conditions.
NOTE 1: Please refer to Phase Noise Plots.
Table 5B. AC Characteristics, VDD = 2.5V ± 5%, TA = 0°C to 70°C
NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the
device is mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after
thermal equilibrium has been reached under these conditions.
NOTE 1: Please refer to Phase Noise Plots.
Parameter
Symbol
Test Conditions
Minimum
Typical
Maximum
Units
fOUT
Output Frequency
FREQ_SEL = 0
145
187.5
MHz
FREQ_SEL = 1
580
750
MHz
tjit()
RMS Phase Jitter,
Random; NOTE 1
156.25MHz, Integration Range:
1.875MHz – 20MHz
0.53
ps
625MHz, Integration Range:
1.875MHz – 20MHz
0.45
ps
tR / tF
Output Rise/Fall Time
20% to 80%
70
550
ps
odc
Output Duty Cycle
FREQ_SEL = 0
48
52
%
FREQ_SEL = 1
46
54
%
Parameter
Symbol
Test Conditions
Minimum
Typical
Maximum
Units
fOUT
Output Frequency
FREQ_SEL = 0
145
187.5
MHz
FREQ_SEL = 1
580
750
MHz
tjit()
RMS Phase Jitter,
Random; NOTE 1
156.25MHz, Integration Range:
1.875MHz – 20MHz
0.54
ps
625MHz, Integration Range:
1.875MHz – 20MHz
0.45
ps
tR / tF
Output Rise/Fall Time
20% to 80%
70
550
ps
odc
Output Duty Cycle
FREQ_SEL = 0
48
52
%
FREQ_SEL = 1
46
54
%
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