CY28322-2 Cypress, CY28322-2 Datasheet - Page 8

• Manufacturer Part Number: CY28322-2
• Description: 133 Mhz Spread Spectrum Clock Synthesizer with Differential CPU Outputs
• Manufacturer: Cypress

Document #: 38-07145 Rev. *B
-
Switching Characteristics
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
V
V
V
Notes:
10. Duty cycle is measured at 1.5V when V
11. Determined as a fraction of 2*(Trp – Trn)/(Trp +Trn) where Trp is a rising edge and Trn is an intersecting falling edge.
12. The 1.0V test load is shown on test circuit page.
1
3
3
5
5
6
7
9
9
9
9
2
3
4
8
Parameter
9.
CPU 1.0V Switching Characteristics
oh
ol
crossover
Multiple Supplies: The voltage on any input or I/O pin cannot exceed the power pin during power-up. Power supply sequencing is NOT required.
All
USB, REF,
DOT
PCI,3V66
3V66[0:1]
66BUFF[0:2]
PCI
3V66, PCI
3V66
USB, DOT
PCI
REF
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
Output
Output Duty Cycle
Falling Edge Rate
Falling Edge Rate
3V66-3V66 Skew
66BUFF-66BUFF Skew
PCI-PCI Skew
3V66-PCI Clock Jitter
Cycle-Cycle Clock Jitter
Cycle-Cycle Clock Jitter
Cycle-Cycle Clock Jitter
Cycle-Cycle Clock Jitter
Rise Time
Fall Time
CPU-CPU Skew
Cycle-Cycle Clock Jitter
Rise/Fall Matching
High-level Output Voltage
including overshoot
Low-level Output Voltage
including undershoot
Crossover Voltage
[8]
DD
Over the Operating Range
= 3.3V. When V
Description
PRELIMINARY
DD
[9]
= 2.5V, duty cycle is measured at 1.25V.
Measured at 1.5V
Between 2.4V and 0.4V
Between 2.4V and 0.4V
Measured at 1.5V
Measured at 1.5V
Measured at 1.5V
3V66 leads. Measured at 1.5V
Measured at 1.5V t
Measured at 1.5V t
Measured at 1.5V t
Measured at 1.5V t
Measured differential waveform from
–0.35V to +0.35V
Measured differential waveform from
–0.35V to +0.35V
Measured at Crossover
Measured at Crossover t
Measured with test loads
Measured with test loads
Measured with test loads
Measured with test loads
Test Conditions
9
9
9
9
= t
= t
= t
= t
9A
9A
9A
9A
8
[11]
[12]
[12]
[12]
– t
– t
– t
– t
= t
9B
9B
9B
9B
8A
– t
8B
45
0.5
1.0
1.5
175
175
0.92
–0.2
0.51
Min.
CY28322-2
55
2.0
4.0
500
175
500
3.5
250
350
500
1000
467
467
150
150
325
1.45
0.35
0.76
Max.
Page 8 of 17
%
ns
V/ns
ps
ps
ps
ns
ps
ps
ps
ps
ps
ps
ps
ps
mV
V
V
V
Unit