參數(shù)資料
型號： CY28410ZXCT
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： XO, clock
英文描述： Coaxial Cable; Impedance:75ohm; Conductor Size AWG:30; No. Strands x Strand Size:7 x 38; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes RoHS Compliant: Yes
中文描述： 266 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封裝： 6 X 12 MM, LEAD FREE, MO-153, TSSOP2-56
文件頁數(shù)： 12/18頁
文件大小： 281K
代理商： CY28410ZXCT
CY28410
Document #: 38-07593 Rev. *C
Page 12 of 18
AC Electrical Specifications
Parameter
Crystal
T
DC
Description
Condition
Min.
Max.
Unit
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
When XIN is driven from an external clock
source
Measured between 0.3V
DD
and 0.7V
DD
As an average over 1-
μ
s duration
Over 150 ms
47.5
52.5
%
T
PERIOD
XIN Period
69.841
71.0
ns
T
R
/ T
F
T
CCJ
L
ACC
CPU at 0.7V
T
DC
T
PERIOD
T
PERIOD
T
PERIOD
T
PERIOD
T
PERIODSS
XIN Rise and Fall Times
XIN Cycle to Cycle Jitter
Long-term Accuracy
–
–
–
10.0
500
300
ns
ps
ppm
CPUT and CPUC Duty Cycle
100-MHz CPUT and CPUC Period
133-MHz CPUT and CPUC Period
200-MHz CPUT and CPUC Period
266-MHz CPUT and CPUC Period
100-MHz CPUT and CPUC Period,
SSC
133-MHz CPUT and CPUC Period,
SSC
200-MHz CPUT and CPUC Period,
SSC
266-MHz CPUT and CPUC Period,
SSC
100-MHz CPUT and CPUC Absolute
period
133-MHz CPUT and CPUC Absolute
period
T
PERIODSSAbs
100-MHz CPUT and CPUC Absolute
period, SSC
T
PERIODSSAbs
133-MHz CPUT and CPUC Absolute
period, SSC
T
PERIODSSAbs
200-MHz CPUT and CPUC Absolute
period, SSC
T
PERIODSSAbs
266-MHz CPUT and CPUC Absolute
period, SSC
T
PERIODSSAbs
400-MHz CPUT and CPUC Absolute
period, SSC
T
SKEW
Any CPUT/C to CPUT/C Clock Skew,
SSC
T
CCJ2
CPU2_ITP Cycle to Cycle Jitter
T
CCJ
CPUT/C Cycle to Cycle Jitter
T
SKEW2
CPU2_ITP to CPU0 Clock Skew
T
R
/ T
F
CPUT and CPUC Rise and Fall Times Measured from V
OL
= 0.175 to V
OH
=
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
43
57
%
ns
ns
ns
ns
9.997001 10.00300
7.497751 7.502251
4.998500 5.001500
3.748875 3.751125
9.997001 10.05327
ns
T
PERIODSS
Measured at crossing point V
OX
7.497751 7.539950
ns
T
PERIODSS
Measured at crossing point V
OX
4.998500 5.026634
ns
T
PERIODSS
Measured at crossing point V
OX
3.748875 3.769975
ns
T
PERIODAbs
Measured at crossing point V
OX
9.912001 10.08800
ns
T
PERIODAbs
Measured at crossing point V
OX
7.412751 7.587251
ns
Measured at crossing point V
OX
9.912001 10.13827
ns
Measured at crossing point V
OX
7.412751 7.624950
ns
Measured at crossing point V
OX
4.913500 5.111634
ns
Measured at crossing point V
OX
3.663875 3.854975
ns
Measured at crossing point V
OX
2.414250 2.598317
ns
Measured at crossing point V
OX
–
100
ps
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
–
–
–
125
115
150
ps
ps
ps
0.525V
Determined as a fraction of 2*(T
R
– T
F
)/(T
R
+ T
F
)
175
1100
ps
T
RFM
Rise/Fall Matching
–
20
%
T
R
T
F
V
HIGH
Rise Time Variation
Fall Time Variation
Voltage High
–
–
125
125
850
ps
ps
mV
Math averages
Figure 8
660
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