IS42S83200B ISSI [Integrated Silicon Solution, Inc], IS42S83200B Datasheet - Page 44

• Manufacturer Part Number: IS42S83200B
• Description: 32Meg x 8, 16Meg x16 256-MBIT SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S83200B,
ALTERNATING BANK WRITE ACCESSES
Notes:
1) Burst Length = 4
2) x16: A9, A11, and A12 = "Don't Care"
44
A0-A9, A11, A12
x8: A11 and A12 = "Don't Care"
DQM/DQML
COMMAND
BA0, BA1
DQMH
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
BANK 0
AS
AS
AS
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
t
IS42S16160B
RCD
RRD
RAS
RC
t
CK
- BANK 0
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
COLUMN m
DS
BANK 0
WRITE
D
T2
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
Integrated Silicon Solution, Inc. — www.issi.com —
t
m+
DH
1
t
BANK 1
DS
ACTIVE
ROW
ROW
D
T4
IN
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
m+
t
DH
t
DPL
3
- BANK 0
t
COLUMN b
DS
BANK 1
WRITE
D
T6
IN
t
DH
b
(2)
t
DS
D
t
RP
T7
NOP
IN
t
b+
- BANK 0
DH
PRELIMINARY INFORMATION Rev. 00E
1
t
DS
D
T8
NOP
IN
t
b+
DH
2
ISSI
t
1-800-379-4774
DS
ACTIVE
DON'T CARE
BANK 0
D
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
DPL
3
- BANK 0
- BANK 1
05/25/06
®