cy28416 Cypress Semiconductor Corporation., cy28416 Datasheet - Page 9

• Manufacturer Part Number: cy28416
• Description: Next Generation Ftg For Intel Architecture
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07657 Rev. *C
FS_A, FS_B,FS_C
VDD Clock Gen
VTT_PW RGD#
PW RGD_VRM
Clock Outputs
Clock State
Clock VCO
V DD _A = 2.0V
CPUC, 133MHz
CPUT, 133MHz
SRCC 100MHz
SRCT 100MHz
USB, 48MHz
PCI, 33MHz
Power O ff
State 0
Off
Off
DOT96C
DOT96T
S 0
REF
PD
Figure 6. Clock Generator Power-up/Run State Diagram
Figure 4. Power-down Deassertion Timing Waveform
0.2-0.3mS
State 1
Delay
Figure 5. VTT_PWRGD# Timing Diagram
Figure 5. VTT_PWRGD# Timing Diagram
V D D_A = off
D elay >0.25 m s
VTT_PW RGD#
S 1
W ait for
Tdrive_PW RDN#
<300µS, >200mV
<1.8 ms
Tstable
On
V TT_P W R G D# = toggle
V TT_P W RG D # = Low
O peration
N orm al
Sample Sels
S 3
State 2
Inputs straps
On
Sam ple
State 3
E nable O utputs
S 2
W ait for <1.8m s
VTT_PW RGD# is ignored
Device is not affected,
CY28416
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