cy28445-5 SpectraLinear Inc, cy28445-5 Datasheet - Page 20

• Manufacturer Part Number: cy28445-5
• Description: Clock Generator For Intel Calistoga Chipset
• Manufacturer: SpectraLinear Inc

Rev 1.1, June 30, 2007
AC Electrical Specifications
Crystal
T
T
T
T
L
CPU at 0.7V
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
L
T
T
T
ΔT
ΔT
V
V
ACC
ACC
DC
PERIOD
R
CCJ
DC
PERIOD
PERIOD
PERIOD
PERIOD
PERIODSS
PERIODSS
PERIODSS
PERIODSS
PERIODAbs
PERIODAbs
PERIODAbs
PERIODAbs
PERIODSSAbs
PERIODSSAbs
PERIODSSAbs
PERIODSSAbs
CCJ
CCJ2
SKEW
R
RFM
HIGH
LOW
Parameter
R
F
/ T
/ T
F
F
XIN Duty Cycle
XIN Period
XIN Rise and Fall Times
XIN Cycle to Cycle Jitter
Long-term Accuracy
CPUT and CPUC Duty Cycle
100-MHz CPUT and CPUC Period
133-MHz CPUT and CPUC Period
166-MHz CPUT and CPUC Period
200-MHz CPUT and CPUC Period
100-MHz CPUT and CPUC Period, SSC Measured at crossing point V
133-MHz CPUT and CPUC Period, SSC Measured at crossing point V
166-MHz CPUT and CPUC Period, SSC Measured at crossing point V
200-MHz CPUT and CPUC Period, SSC Measured at crossing point V
100-MHz CPUT and CPUC Absolute
period
133-MHz CPUT and CPUC Absolute
period
166-MHz CPUT and CPUC Absolute
period
200-MHz CPUT and CPUC Absolute
period
100-MHz CPUT and CPUC Absolute
period, SSC
133-MHz CPUT and CPUC Absolute
period, SSC
166-MHz CPUT and CPUC Absolute
period, SSC
200-MHz CPUT and CPUC Absolute
period, SSC
CPUT/C Cycle to Cycle Jitter
CPU2_ITP Cycle to Cycle Jitter
Long-term Accuracy
CPU1 to CPU0 Clock Skew
CPUT and CPUC Rise and Fall Time
Rise/Fall Matching
Rise Time Variation
Fall Time Variation
Voltage High
Voltage Low
Description
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
As an average over 1-μs duration
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured from V
V
Determined as a fraction of
2*(T
Math averages Figure 15
Math averages Figure 15
OH
R
= 0.525V
– T
F
)/(T
R
Condition
+ T
OL
F
)
= 0.175 to
DD
and 0.7V
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
DD
9.997001
7.497751
5.998201
4.998500
9.997001
7.497751
5.998201
4.998500
9.912001
7.412751
5.913201
4.913500
9.912001
7.412751
5.913201
4.913500
69.841
–150
Min.
47.5
175
660
45
–
–
–
–
–
–
–
–
–
–
CY28445-5
10.00300
7.502251
6.001801
5.001500
10.05327
7.539950
6.031960
5.026634
10.08800
7.587251
6.086801
5.086500
10.13827
7.624950
6.116960
5.111634
Page 20 of 26
700
125
Max.
52.5
71.0
10.0
500
300
300
100
125
125
850
55
85
20
–
[1]
[1]
Unit
ppm
ppm
mV
mV
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ns
ps
ps
ps
ps
ps
ps
%
%
%