參數(shù)資料
型號(hào)： CY28446LFXC
廠商： Silicon Laboratories Inc
文件頁數(shù)： 7/19頁
文件大?。?/td> 0K
描述： IC CLOCK CALISTOGA CK410M 64QFN
標(biāo)準(zhǔn)包裝： 260
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： 3:20
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 ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 64-QFN（9x9）
包裝： 托盤
CY28446
.....................Document #: 001-00168 Rev *F Page 15 of 19
AC Electrical Specifications
Parameter
Description
Condition
Min.
Max.
Unit
Crystal
TDC
XIN Duty Cycle
The device will operate reliably with input
duty cycles up to 30/70 but the REF clock
duty cycle will not be within specification
47.5
52.5
%
TPERIOD
XIN Period
When XIN is driven from an external
clock source
69.841
71.0
ns
TR/TF
XIN Rise and Fall Times
Measured between 0.3VDD and 0.7VDD
–
10.0
ns
TCCJ
XIN Cycle to Cycle Jitter
As an average over 1-
s duration
–
500
ps
LACC
Long-term Accuracy
Measured at crossing point VOX
–300
ppm
CPU at 0.7V
TDC
CPUT and CPUC Duty Cycle
Measured at crossing point VOX
45
55
%
TPERIOD
100-MHz CPUT and CPUC Period
Measured at crossing point VOX
9.997001
10.00300
ns
TPERIOD
133-MHz CPUT and CPUC Period
Measured at crossing point VOX
7.497751
7.502251
ns
TPERIOD
166-MHz CPUT and CPUC Period
Measured at crossing point VOX
5.998201
6.001801
ns
TPERIOD
200-MHz CPUT and CPUC Period
Measured at crossing point VOX
4.998500
5.001500
ns
TPERIODSS
100-MHz CPUT and CPUC Period, SSC Measured at crossing point VOX
9.997001
10.05327
ns
TPERIODSS
133-MHz CPUT and CPUC Period, SSC Measured at crossing point VOX
7.497751
7.539950
ns
TPERIODSS
166-MHz CPUT and CPUC Period, SSC Measured at crossing point VOX
5.998201
6.031960
ns
TPERIODSS
200-MHz CPUT and CPUC Period, SSC Measured at crossing point VOX
4.998500
5.026634
ns
TPERIODAbs
100-MHz CPUT and CPUC Absolute
period
Measured at crossing point VOX
9.912001
10.08800
ns
TPERIODAbs
133-MHz CPUT and CPUC Absolute
period
Measured at crossing point VOX
7.412751
7.587251
ns
TPERIODAbs
166-MHz CPUT and CPUC Absolute
period
Measured at crossing point VOX
5.913201
6.086801
ns
TPERIODAbs
200-MHz CPUT and CPUC Absolute
period
Measured at crossing point VOX
4.913500
5.086500
ns
TPERIODSSAbs 100-MHz CPUT and CPUC Absolute
period, SSC
Measured at crossing point VOX
9.912001
10.13827
ns
TPERIODSSAbs 133-MHz CPUT and CPUC Absolute
period, SSC
Measured at crossing point VOX
7.412751
7.624950
ns
TPERIODSSAbs 166-MHz CPUT and CPUC Absolute
period, SSC
Measured at crossing point VOX
5.913201
6.116960
ns
TPERIODSSAbs 200-MHz CPUT and CPUC Absolute
period, SSC
Measured at crossing point VOX
4.913500
5.111634
ns
TCCJ
CPUT/C Cycle to Cycle Jitter
Measured at crossing point VOX
–100
ps
TCCJ2
CPU2_ITP Cycle to Cycle Jitter
Measured at crossing point VOX
–125
ps
LACC
Long-term Accuracy
Measured at crossing point VOX
–300
ppm
TSKEW2
CPU2_ITP to CPU0 Clock Skew
Measured at crossing point VOX
–150
ps
TR/TF
CPUT and CPUC Rise and Fall Time
Measured from VOL = 0.175 to
VOH = 0.525V
155
700
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 15
660
850
mV
VLOW
Voltage Low
Math averages Figure 15
–150
–
mV
VOX
Crossing Point Voltage at 0.7V Swing
180
550
mV
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