cy28446 Cypress Semiconductor Corporation., cy28446 Datasheet - Page 14
cy28446
Manufacturer Part Number
cy28446
Description
Clock Generator For Intel Calistoga Chipset
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
1.CY28446.pdf
(21 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
cy28446LFXC
Manufacturer:
CYPRESS
Quantity:
1 000
Document #: 001-00168 Rev *D
FS_A, FS_B,FS_C
VDD Clock Gen
VTT_PW RGD#
PW RGD_VRM
Clock Outputs
Clock State
Clock VCO
VDD_A = 2.0V
Power Off
S0
State 0
Off
Off
Figure 13. Clock Generator Power-up/Run State Diagram
0.2-0.3mS
State 1
Delay
Figure 12. VTT_PWRGD# Timing Diagram
VDD_A = off
>0.25mS
Delay
VTT_PW RGD#
S1
W ait for
On
VTT_PWRGD# = toggle
VTT_PWRGD# = Low
Operation
Normal
Sample Sels
State 2
S3
Inputs straps
On
State 3
Sample
Enable Outputs
S2
VTT_PW RGD# is ignored
Device is not affected,
Wait for <1.8ms
CY28446
Page 14 of 21
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