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參數(shù)資料
型號： CY28447LFXCT
廠商： Silicon Laboratories Inc
文件頁數(shù)： 10/22頁
文件大?。?/td> 0K
描述： IC CLOCK CALISTOGA CK410M 72QFN
標(biāo)準(zhǔn)包裝： 2,000
類型： 時(shí)鐘/頻率發(fā)生器
PLL： 是
主要目的： Intel CPU 服務(wù)器
輸入： LVTTL，晶體
輸出： HCSL，LVCMOS
電路數(shù)： 1
比率 - 輸入:輸出： 3:21
差分 - 輸入:輸出： 無/是
頻率 - 最大： 200MHz
電源電壓： 3.135 V ~ 3.465 V
工作溫度： 0°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 72-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 72-QFN（10x10）
包裝： 帶卷 (TR)
CY28447
...................... Document #: 38-07724 Rev *C Page 18 of 22
TR / TF
SSCT and SSCC Rise and Fall Time
Measured from VOL = 0.175 to
VOH = 0.525V
175
700
ps
TRFM
Rise/Fall Matching
Determined as a fraction of
2*(TR – TF)/(TR + TF)
–20
%
T
R
Rise TimeVariation
–
125
ps
T
F
Fall Time Variation
–
125
ps
VHIGH
Voltage High
Math averages Figure 17
660
850
mV
VLOW
Voltage Low
Math averages Figure 17
–150
–
mV
VOX
Crossing Point Voltage at 0.7V Swing
250
550
mV
VOVS
Maximum Overshoot Voltage
–
VHIGH +
0.3
V
VUDS
Minimum Undershoot Voltage
–0.3
–
V
VRB
Ring Back Voltage
See Figure 17. Measure SE
–
0.2
V
PCI/PCIF at 3.3V
TDC
PCI Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
Spread Disabled PCIF/PCI Period
Measurement at 1.5V
29.99100
30.00900
ns
TPERIODSS
Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
29.9910
30.15980
ns
TPERIODAbs
Spread Disabled PCIF/PCI Period
Measurement at 1.5V
29.49100
30.50900
ns
TPERIODSSAbs Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
29.49100
30.65980
ns
THIGH
PCIF and PCI high time
Measurement at 2.4V
12.0
–
ns
TLOW
PCIF and PCI low time
Measurement at 0.4V
12.0
–
ns
TR / TF
PCIF/PCI rising and falling Edge Rate
Measured between 0.8V and 2.0V
1.0
4.0
V/ns
TSKEW
Any PCI clock to Any PCI clock Skew
Measurement at 1.5V
–
500
ps
TCCJ
PCIF and PCI Cycle to Cycle Jitter
Measurement at 1.5V
–
500
ps
LACC
PCIF/PCI Long Term Accuracy
Measured at crossing point VOX
–
300
ppm
DOT96 at 0.7V
TDC
DOT96T and DOT96C Duty Cycle
Measured at crossing point VOX
45
55
%
TPERIOD
DOT96T and DOT96C Period
Measured at crossing point VOX
10.41354
10.41979
ns
TPERIODAbs
DOT96T and DOT96C Absolute Period Measured at crossing point VOX
10.16354
10.66979
ns
TCCJ
DOT96T/C Cycle to Cycle Jitter
Measured at crossing point VOX
–250
ps
LACC
DOT96T/C Long Term Accuracy
Measured at crossing point VOX
–
300
ppm
TR / TF
DOT96T and DOT96C Rise and Fall
Time
Measured from VOL = 0.175 to
VOH = 0.525V
175
900
ps
TRFM
Rise/Fall Matching
Determined as a fraction of
2*(TR – TF)/(TR + TF)
–20
%
T
R
Rise Time Variation
–
125
ps
T
F
Fall Time Variation
–
125
ps
VHIGH
Voltage High
Math averages Figure 17
660
850
mV
VLOW
Voltage Low
Math averages Figure 17
–150
–
mV
VOX
Crossing Point Voltage at 0.7V Swing
250
550
mV
VOVS
Maximum Overshoot Voltage
–
VHIGH +
0.3
V
VUDS
Minimum Undershoot Voltage
–0.3
–
V
VRB
Ring Back Voltage
See Figure 17. Measure SE
–
0.2
V
48_M at 3.3V
TDC
Duty Cycle
Measurement at 1.5V
45
55
%
AC Electrical Specifications (continued)
Parameter
Description
Condition
Min.
Max.
Unit
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