CY28RS480-1 Cypress Semiconductor, CY28RS480-1 Datasheet - Page 12

• Manufacturer Part Number: CY28RS480-1
• Description: Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07714 Rev. *C
AC Electrical Specifications
T
T
T
T
T
T
T
T
USB
T
T
T
T
T
T
T
T
REF
T
T
T
T
T
ENABLE/DISABLE and SET-UP
T
T
T
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
R
SKEW
CCJ
DC
PERIOD
PERIODAbs
HIGH
LOW
R
CCJ
LTJ
DC
PERIOD
PERIODAbs
R
CCJ
STABLE
SS
SH
Parameter
/ T
/ T
/ T
F
F
F
Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
Spread Disabled PCIF/PCI Period
Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
PCIF and PCI high time
PCIF and PCI low time
PCIF and PCI rise and fall times
Any PCI clock to Any PCI clock Skew
PCIF and PCI Cycle to Cycle Jitter
Duty Cycle
Period
Absolute Period
USB high time
USB low time
Rise and Fall Times
Cycle to Cycle Jitter
Long Term Jitter
REF Duty Cycle
REF Period
REF Absolute Period
REF Rise Time
REF Fall Time
REF Cycle to Cycle Jitter
Clock Stabilization from Power-up
Stopclock Set-up Time
Stopclock Hold Time
Description
(continued)
PRELIMINARY
Measurement at 1.5V
Measurement at 2.4V
Measurement at 0.4V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 2.4V
Measurement at 0.4V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V@1 µs
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measured between 0.8V and 2.0V for
High drive strength
Measurement at 1.5V
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Condition
20.48125 21.18542
29.49100
29.49100
20.83125
68.82033
29.9910
69.8203
8.094
7.694
Min.
12.0
12.0
0.66
0.80
10.0
0.3
0.3
45
45
–
–
–
–
–
0
-
CY28RS480-1
30.15980
30.50900
30.65980
20.83542
70.86224
69.8622
10.200
9.836
Page 12 of 16
Max.
1000
TBD
500
500
350
1.4
1.4
4.0
4.0
1.8
55
55
–
–
–
–
V/ns
Unit
ms
nS
nS
nS
pS
nS
nS
ns
ns
ns
ps
ns
ns
ns
ps
ps
ns
ns
ps
ns
ns
%
%
Datasheet pdf - http://www.DataSheet4U.net/