IS42S83200B ISSI [Integrated Silicon Solution, Inc], IS42S83200B Datasheet - Page 34

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

IS42S83200B,
Notes:
1) CAS latency = 2, Burst Length = 4
2) x16: A9, A11, and A12 = "Don't Care"
34
ALTERNATING BANK READ ACCESSES
A0-A9, A11, A12
x8: A11 and A12 = "Don't Care"
DQML, DQMH
COMMAND
BA0, BA1
DQM/
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
IS42S16160B
CMH
AH
AH
AH
t
t
t
t
RCD
RRD
RAS
RC
t
CK
- BANK 0
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
COLUMN m
BANK 0
READ
T2
t
CMH
t
CH
(2)
CAS Latency - BANK 0
Integrated Silicon Solution, Inc. — www.issi.com —
T3
NOP
t
LZ
t
AC
BANK 3
ACTIVE
ROW
ROW
T4
D
OUT
t
OH
m
t
AC
t
RCD
- BANK 3
ENABLE AUTO PRECHARGE
T5
D
NOP
OUT
t
OH
m+
t
1
AC
COLUMN b
BANK 3
READ
T6
D
OUT
t
OH
m+
t
(2)
RP
t
2
AC
CAS Latency - BANK 3
- BANK 0
PRELIMINARY INFORMATION Rev. 00E
T7
D
NOP
OUT
t
OH
m+
t
3
AC
BANK 0
ISSI
ACTIVE
ROW
T8
ROW
DON'T CARE
D
1-800-379-4774
OUT
t
OH
b
t
RCD
t
AC
- BANK 0
05/25/06
®