cy28551-3 Cypress Semiconductor Corporation., cy28551-3 Datasheet - Page 22

• Manufacturer Part Number: cy28551-3
• Description: Universal Clock Generator For Intel, Via And Sis
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 001-05677 Rev. *D
AC Electrical Specifications
T
T
T
T
T
T
L
T
T
V
V
V
CPU at 3.3V (SSC refers to –0.5% spread spectrum)
T
T
V
∆
V
∆V
T
T
T
PCIEX
T
T
T
T
T
T
T
L
T
T
V
V
PERIODSSAbs
PERIODSSAbs
PERIODSSAbs
PERIODSSAbs
SKEW
CCJ
ACC
R
RFM
R
F
DIFF
DC
CYC
ACCUM
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
SKEW
CCJ
ACC
R
RFM
_max
_min
OX
DIFF
CM
_max
_min
Parameter
/T
/T
CM
F
F
200-MHz CPUT and CPUC Absolute
period, SSC
266-MHz CPUT and CPUC Absolute
period, SSC
333-MHz CPUT and CPUC Absolute
period, SSC
400-MHz CPUT and CPUC Absolute
period, SSC
CPU0 to CPU1
CPUT/C Cycle to Cycle Jitter
Long Term accuracy
CPUT and CPUC Rise and Fall Times
Rise/Fall Matching
Max output Voltage
Min output Voltage
Crossing Point Voltage at 0.7V Swing
Output Rise Edge Rate
Output Fall Edge Rate
Differential Voltage
Change in VDIFF_DC Magnitude
Common Mode Voltage
Change in VCM
Duty Cycle
Jitter, Cycle to Cycle
Jitter, Accumulated
PCIEXT and PCIEXC Duty Cycle
100-MHz PCIEXT and PCIEXC Period Measured at crossing point V
100-MHz PCIEXT and PCIEXC Period,
SSC
100-MHz PCIEXT and PCIEXC
Absolute Period
100-MHz PCIEXT and PCIEXC
Absolute Period, SSC
Any PCIEXT/C to PCIEXT/C Clock
Skew
PCIEXT/C Cycle to Cycle Jitter
PCIEXT/C Long Term Accuracy
PCIEXT and PCIEXC Rise and Fall
Times
Rise/Fall Matching
Max output Voltage
Min output Voltage
Description
(continued)
Measured at crossing point V
@ 1 clock
Measured at crossing point V
@ 1 clock
Measured at crossing point V
@ 1 clock
Measured at crossing point V
@ 1 clock
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured differentially from ±150 mV
Measured single-endedly from ±75 mV
Math averages Figure 15
Math averages Figure 15
Measured @ K8 test load using VOCM
± 400 mV, 0.850V to 1.650V
Measured @ K8 test load using VOCM
± 400 mV, 1.650V to 0.850V
Measured @ K8 test load (single-ended)
Measured @ K8 test load (single-ended)
Measured @ K8 test load (single-ended)
Measured @ K8 test load (single-ended)
Measured at V
Measured at V
Measured at V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
@ 1 clock
Measured at crossing point V
@ 1 clock
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured differentially from ±150 mV
Measured single-endedly from ±75 mV
Math averages Figure 15
Math averages Figure 15
Condition
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
@ 0.1s
@ 0.1s
4.91450
3.66463
2.91470
2.41475
9.99900
9.99900
9.87400
9.87400
–1000
–150
–200
Min.
–0.3
1.05
–0.3
300
0.4
2.5
2.5
45
45
–
–
–
–
–
2
2
0
–
–
–
–
–
CY28551-3
3.85422
3.10038
2.59782
10.0010
10.0010
10.1260
10.1763
5.11063
Page 22 of 29
Max.
1000
1.45
1.15
1.15
150
200
100
100
550
200
250
125
100
2.3
20
85
20
53
55
–
7
7
–
8
8
V/ns
V/ns
V/ns
V/ns
Unit
ppm
ppm
mV
mV
mV
ns
ns
ns
ns
ps
ps
ps
ps
ns
ns
ns
ns
ps
ps
%
%
%
%
V
V
V
V
V
V
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