IS42S32400E-6B ISSI [Integrated Silicon Solution, Inc], IS42S32400E-6B Datasheet - Page 47

• Manufacturer Part Number: IS42S32400E-6B
• Description: 4M x 32 128Mb SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S32400E, IS45S32400E
Note:
x32: A8, A9, A11 = "Don't Care"
POWER-DOWN MODE CYCLE
Integrated Silicon Solution, Inc. - www.issi.com
Rev. D
05/18/09
DQM0 - DQM3
active banks
Precharge all
COMMAND
A0-A9, A11
BA0, BA1
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
t
AS
BANK
T0
All banks idle, enter
power-down mode
t
t
CKH
t
CMH
AH
Two clock cycles
t
CK
NOP
T1
t
t
CL
CKS
NOP
T2
t
CH
Input buffers gated
power-down mode
off while in
Exit power-down mode
t
CKS
Tn+1
NOP
All banks idle
ACTIVE
BANK
ROW
ROW
Tn+2
DON'T CARE
47