參數(shù)資料
型號: ICS8430S07AKILFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 133.333 MHz, OTHER CLOCK GENERATOR, QCC32
封裝: 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2/-4, VFQFN-32
文件頁數(shù): 22/23頁
文件大小: 1792K
代理商: ICS8430S07AKILFT
ICS8430S07I
CLOCK GENERATOR FOR CAVIUM PROCESSORS
PRELIMINARY
IDT / ICS CLOCK GENERATOR
8
ICS8430S07AKI REV. A DECEMBER 4, 2007
AC Electrical Characteristics
Table 6. AC Characteristics, VDD = 3.3V ± 5%, VDDO_X = 3.3V ± 5% or 2.5V ± 5%, TA = -40°C to 85°C
All parameters measured at fMAX unless noted otherwise.
NOTE 1: Refer to the phase noise plot.
NOTE 2: Defined as skew within a bank of outputs at the same supply voltage and with equal load conditions.
NOTE 3: Defined as skew between outputs on different devices operating at the same supply voltages and with equal load conditions.
Using the same type of inputs on each device, the outputs are measured at the differential cross points.
NOTE 4: This parameter is defined in accordance with JEDEC Standard 65.
Parameter
Symbol
Test Conditions
Minimum
Typical
Maximum
Units
fMAX
Output Frequency
QA/nQA
DDR_SEL[1:0] = 00
133.333
MHz
QA/nQA
DDR_SEL[1:0] = 01
100
MHz
QA/nQA
DDR_SEL[1:0] = 10
83.333
MHz
QA/nQA
DDR_SEL[1:0] = 11
125
MHz
QB
CORE_SEL = 0
50
MHz
QB
CORE_SEL = 1
33.333
MHz
QC
PCI_SEL[1:0] = 00
133.333
MHz
QC
PCI_SEL[1:0] = 01
100
MHz
QC
PCI_SEL[1:0] = 10
66.667
MHz
QC
PCI_SEL[1:0] = 11
33.333
MHz
QD
125
MHz
QREF[0:2]
25
MHz
tsk(b)
Bank Skew;
NOTE 2, 4
QREF[0:2]
400
ps
tsk(pp)
Part-to-Part Skew;
NOTE 3, 4
QREF[0:2]
TBD
ps
tjit(cc)
Cycle-to-Cycle
Jitter
QB, QC,
85
ps
QA/nQA
measured at crosspoint
80
ps
QD
90
ps
tjit(per)
Period Jitter
QA/nQA
measured at crosspoint
±50
ps
tjit(hper)
Half-period Jitter
QA/nQA
measured at crosspoint
±55
ps
tjit()
RMS Phase Jitter,
(Random); NOTE 1
QREF[0:2]
25MHz (10kHz to 5MHz)
0.73
ps
QD
125MHz (1.875MHz to 20MHz)
0.78
ps
tR / tF
Output
Rise/Fall Time
QB
20% to 80%
300
ps
QA/nQA
160
ps
QC, QREF[0:2]
300
ps
QD
300
ps
odc
Output Duty Cycle
QA/nQA
50
%
QB, QC, QD,
QREF[0:2]
50
%
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