C9531_04 Datasheet, PDF (8/10 Pages) Cypress Semiconductor – PCIX I/O System Clock Generator with EMI Control Features

C9531
AC Electrical Specifications (continued)
Parameter
Description
Condition
CLK
T_DC
CLK Duty Cycle
Measurement at 1.5V
T_PERIOD33
33-MHz CLK Period
Measurement at 1.5V
T_PERIOD66
66-MHz CLK Period
Measurement at 1.5V
T_PERIOD100
100-MHz CLK Period
Measurement at 1.5V
T_PERIOD133
133-MHz CLK Period
Measurement at 1.5V
T_R / T_F
CLK Rise and Fall Times
Measured between 0.4V and 2.4V
T_SKEW
Any CLK to Any CLK Clock Skew Measurement at 1.5V
T_CCJ
CLK Cycle to Cycle Jitter
Measurement at 1.5V
REF
T_DC
REF Duty Cycle
Measurement at 1.5V
T_R / T_F
REF Rise and Fall Times
Measured between 0.4V and 2.4V
T_CCJ
REF Cycle to Cycle Jitter
Measurement at 1.5V
ENABLE/DISABLE and SET-UP
tpZL,tpZH
Output Enable Delay (all outputs)
tpLZ,tpZH
Output Disable Delay (all outputs)
T_STABLE
Clock Stabilization from Power-up
Test and Measurement Set-up
Min. Max. Unit
45 55 %
29.5 30.5 ns
14.5 15.5 ns
9.5 10.5 ns
7.0 8.0 ns
0.5 2.0 ns
– 250 ps
– 175 ps
45 55 %
1.0 4.0 ns
– 750 ps
– 10.0 ns
– 10.0 ns
– 3.0 ms
Output under Test
Probe
Load Cap
3 .3 V S ig n a ls
tD C
-
-
3 .3 V
2 .4 V
1 .5 V
Lumped Load
Table 7. Loading
Output Name
CLK
REF
Ordering Information
Part Number
IMIC9531CY
IMIC9531CYT
IMIC9531CT
IMIC9531CTT
Lead Free
CYI9531OXC
CYI9531OXCT
CYI9531ZXC
CYI9531ZXCT
0 .4 V
0V
Tr
Tf
LVTTL Signaling
Figure 2. Test and Measurement Set-up
Max Load (in pF)
30
20
Package Type
28-Pin SSOP
28-Pin SSOP – Tape and Reel
28-Pin TSSOP
28-Pin TSSOP – Tape and Reel
28-Pin SSOP
28-Pin SSOP – Tape and Reel
28-Pin TSSOP
28-Pin TSSOP – Tape and Reel
Product Flow
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Commercial, 0° to 70°C
Document #: 38-07034 Rev. *E
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