EM638165 Etron Technology Inc., EM638165 Datasheet - Page 30

• Manufacturer Part Number: EM638165
• Description: 4Mega x 16 Synchronous DRAM (SDRAM)
• Manufacturer: Etron Technology Inc.

Figure 8. Power Down Mode and Clock Mask
Preliminary
A0~A9,A11
BA0,1
RAS#
CAS#
CKE
CS#
WE#
CLK
DQM
A10
DQ
Hi-Z
T0
Command
Activate
Bank A
RAx
RAx
T 1 T2
t
Power Down
Mode Entry
CK2
STANDBY
ACTIVE
T3
t
IS
Power Down
T4
Mode Exit
T5
Command
Bank A
Read
CAx
T6
T7
Ax0
T8
Clock Mask
Start
Ax1
T9
30
T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
(Burst Lenght=4, CAS# Latency=2)
Ax2
Clock Mask
End
t
HZ
Ax3
Valid
Power Down
Precharge
Command
Mode Entry
Bank A
PRECHARGE
STANDBY
Rev 0.6
EM638165
t
PDE
Power Down
Mode Exit
Feb. 2001
Command
Any