CY28435
AC Electrical Specifications (continued)
Parameter
Edge Rate
Edge Rate
TCCJ
Description
Rising edge rate
Condition
Min.
1.0
1.0
–
Max.
4.0
Unit
V/ns
V/ns
ps
Measured between 0.8V and 2.0V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Falling edge rate
4.0
REF Cycle to Cycle Jitter
1000
ENABLE/DISABLE and SET-UP
TSTABLE
Clock Stabilization from Power-up
–
1.8
ms
Test and Measurement Set-up
For PCI Single-ended Signals and Reference
The following diagram shows the test load configurations for
the single-ended PCI, USB, and REF output signals.
Measurement
Point
ꢁꢁ:
PCI/
USB
ꢂꢃ:
5pF
Measurement
Point
ꢄꢅ:
ꢄꢅ:
ꢂꢃ:
ꢂꢃ:
5pF
REF
Measurement
Point
5pF
Figure 8. Single-ended Load Configuration
Measurement
Point
ꢄꢅ:
ꢂꢃ:
ꢂꢃ:
5pF
Measurement
Point
ꢄꢅ:
PCI/
USB
5pF
Measurement
Point
ꢄꢅ:
ꢂꢃ:
5pF
Measurement
Point
ꢄꢅ:
ꢄꢅ:
REF
ꢂꢃ:
ꢂꢃ:
5pF
Measurement
Point
5pF
Figure 9. Single-ended Load Configuration HIGH DRIVE OPTION
Rev 1.0,November 20, 2006
Page 20 of 22
SPECTRALINEAR [ SPECTRALINEAR INC ]
