CY28347 Cypress Semiconductor, CY28347 Datasheet - Page 14

• Manufacturer Part Number: CY28347
• Description: Universal Single-chip Clock Solution
• Manufacturer: Cypress Semiconductor

Document #: 38-07352 Rev. *C
Table 10. Group Timing Relationships and Tolerances
Table 11. Signal Loading
t
t
REF (0:1), 48MHz (USB), 24_48MHz
AGP(0:2), PCI_F(0:5)SDRAM (0:11)
FBOUT
DDRT/C
CPUT/C
CPUOD_T/C
CPUCS_T/C
CSAGP
AP
CPU CLOCK 133.3 MHz
PCI CLOCK 33.3 MHz
CPU CLOCK 66.6 MHz
CPU CLOCK 100 MHz
AGP CLOCK 66.6 MHz
MULTSEL
IREF
CPUC
CPUT
475
0 ns
CPUCS to AGP
AGP to PCI
33
33
Clock Name
49.9
49.9
Figure 6. Clock Timing Relationships
Figure 5. P4 0.7V Configuration
10 ns
Offset (ps)
T
T
PCB
PCB
750
500
t
CSAGP
t
AP
Tolerance (ps)
20 ns
500
500
2 pF
2 pF
Measurem ent Point
Measurem ent Point
See Figure 4 and Figure 5
30 ns
Max. Load (in pF)
CPUCS Leads
Conditions
AGP Leads
See Figure 1
See Figure 2
See Figure 3
20
30
10
CY28347
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