CY28447LFXC Silicon Laboratories Inc, CY28447LFXC Datasheet - Page 16

• Manufacturer Part Number: CY28447LFXC
• Description: Clock Generators & Support Products Calistoga System Clk Extra SRC Output
• Manufacturer: Silicon Laboratories Inc

Specifications of CY28447LFXC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.0, November 20, 2006
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
T
ΔT
ΔT
Note:
2. Measured with one REF on.
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
SKEW2
R
RFM
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
CPU2_ITP to CPU0 Clock Skew
CPUT and CPUC Rise and Fall Time
Rise/Fall Matching
Rise Time Variation
Fall Time Variation
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 from V
V
Determined as a fraction of
2*(T
Measured at crossing point V
Measured at crossing point V
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
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
Min.
47.5
175
45
–
–
–
–
–
–
–
–
–
–
–
CY28447
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 16 of 21
125
Max.
52.5
71.0
10.0
85
500
300
300
100
150
700
125
125
55
20
[2]
[2]
Unit
ppm
ppm
ns
ns
ps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
ps
ps
ps
ps
ps
%
%
%