cy28548 SpectraLinear Inc, cy28548 Datasheet - Page 23

• Manufacturer Part Number: cy28548
• Description: Clock Generator For Intel Crestline Chipset
• Manufacturer: SpectraLinear Inc

Rev 1.5 September 16, 2008
AC Electrical Specifications
T
T
T
T
L
T
T
T
T
V
V
V
SRC at 0.7V
T
T
T
T
T
T
T
L
T
T
V
V
V
DOT96 at 0.7V
T
T
T
T
L
T
T
V
V
V
LCD_100_SSC at 0.7V
T
T
T
T
ACC
ACC
ACC
PERIODSSAbs
PERIODSSAbs
CCJ
CCJ2
SKEW
SKEW2
R
RFM
HIGH
LOW
OX
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
SKEW(window)
CCJ
R
RFM
HIGH
LOW
OX
DC
PERIOD
PERIODAbs
CCJ
R
RFM
HIGH
LOW
OX
DC
PERIOD
PERIODSS
PERIODAbs
Parameter
/ T
/ T
/ T
F
F
F
333 MHz CPUT and CPUC Absolute
period, SSC
400 MHz CPUT and CPUC Absolute
period, SSC
CPU Cycle to Cycle Jitter
CPU2_ITP Cycle to Cycle Jitter
Long-term Accuracy
CPU0 to CPU1 Clock Skew
CPU2_ITP to CPU0 Clock Skew
CPU Rising/Falling Slew rate
Rise/Fall Matching
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
SRC Duty Cycle
100 MHz SRC Period
100 MHz SRC Period, SSC
100 MHz SRC Absolute Period
100 MHz SRC Absolute Period, SSC
Any SRC Clock Skew from the earliest
bank to the latest bank
SRC Cycle to Cycle Jitter
SRC Long Term Accuracy
SRC Rising/Falling Slew Rate
Rise/Fall Matching
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
DOT96 Duty Cycle
DOT96 Period
DOT96 Absolute Period
DOT96 Cycle to Cycle Jitter
DOT96 Long Term Accuracy
DOT96 Rising/Falling Slew Rate
Rise/Fall Matching
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
LCD_100 Duty Cycle
100 MHz LCD_100 Period
100 MHz LCD_100 Period, SSC -0.5% Measured at 0V differential at 0.1s
100 MHz LCD_100 Absolute Period
Description
(continued)
Measured at 0V differential @ 1 clock
Measured at 0V differential @ 1 clock
Measured at 0V differential
Measured at 0V differential
Measured at 0V differential
Measured at 0V differential
Measured at 0V differential
Measured differentially from ±150 mV
Measured single-endedly from ±75 mV
Measured at 0V differential @ 0.1s
Measured at 0V differential @ 0.1s
Measured at 0V differential @ 1 clock
Measured at 0V differential @ 1 clock
Measured at 0V differential
Measured at 0V differential
Measured at 0V differential
Measured differentially from ±150 mV
Measured single-endedly from ±75 mV
Measured at 0V differential
Measured at 0V differential at 0.1s
Measured at 0V differential at 0.1s
Measured at 0V differential at 1 clock
Measured at 0V differential at 1 clock
Measured differentially from ±150 mV
Measured single-endedly from ±75 mV
Measured at 0V differential
Measured at 0V differential at 0.1s
Measured at 0V differential at 1 clock
Measured at 0V differential
Condition
10.02406
10.02406
9.99900
9.74900
2.91472
2.41477
9.99900
9.87400
9.87406
10.4156
10.1656
Min.
–0.3
–0.3
–0.3
300
300
300
2.5
2.5
2.5
45
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
CY28548
10.02607
10.25100
10.02607
10.0010
Page 23 of 30
3.10036
2.59780
10.0010
10.1260
10.1762
10.4177
10.6677
Max.
1.15
1.15
1.15
125
100
100
150
550
125
100
550
250
100
550
3.0
85
20
20
55
20
55
55
8
–
8
–
8
–
V/ns
V/ns
V/ns
Unit
ppm
ppm
ppm
mV
mV
mV
ns
ns
ps
ps
ps
ps
ns
ns
ns
ns
ns
ps
ns
ns
ps
ns
ns
ns
%
%
%
%
%
%
V
V
V
V
V
V