EM636327Q-7 Etron Technology Inc., EM636327Q-7 Datasheet - Page 35

• Manufacturer Part Number: EM636327Q-7
• Description: 512K x 32 High Speed Synchronous Graphics DRAM(SGRAM)
• Manufacturer: Etron Technology Inc.

Figure 8. Power Down Mode and Clock Mask
Preliminary
A0~ A8
CA S#
RA S#
DQM
CKE
CS#
WE#
CLK
BS
A 9
DQ
Hi-Z
T0 T 1
Command
Activate
Bank A
RAx
RAx
t
Power Down
Mode Entry
CK2
T2 T3
STANDBY
ACTIVE
t
IS
Power Down
T4 T5
Mode Exit
Command
Bank A
Read
CAx
T6 T7
Ax0
T8
Clock Mask
Start
Ax1
T9 T10 T 11 T12 T13 T14 T 15 T16 T 17 T18 T19 T20 T21 T22
35
Clock Mask
(Burst Lenght=4, CAS# Latency=2)
Ax2
End
t
HZ
Ax3
Valid
Power Down
Mode Entry
Precharge
Command
Bank A
PRECHARGE
STANDBY
EM636327
t
PDE
December
Power Down
Mode Exit
Command
Any
1998