em636165 Etron Technology Inc., em636165 Datasheet - Page 31

• Manufacturer Part Number: em636165
• Description: 1m X 16 Bit Synchronous Dram Sdram
• Manufacturer: Etron Technology Inc.

Figure 8. Power Down Mode and Clock Mask
Etron Confidential
CLK
CKE
CS#
RAS#
CAS#
WE#
DQM
A10
A0-A9
DQ
A11
Hi-Z
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10
Activate
Cammand
Bank A
RAx
RAx
t
CK
Power Down
Mode Entry
ACTIVE
STANDBY
t
IS
Power Down
Mode Exit
t
IH
CAx
Read
Command
Bank A
Ax0 Ax1
Clock Mask
Start
31
T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Ax2
Clock Mask
End
(Burst Length=4, CAS# Latency=2)
t
HZ
Ax3
Valid
Precharge
Command
Bank A
Power Down
Mode Entry
PRECHARGE
STANDBY
Rev. 3.4
EM636165
Power Down
Mode Exit
“H” or “L”
t
PDE
Apr. 2008
Any
Commad