is42s16160b Integrated Silicon Solution, Inc., is42s16160b Datasheet - Page 54

• Manufacturer Part Number: is42s16160b
• Description: 32meg X 8, 16meg X16 256-mbit Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S83200B,
READ WITHOUT AUTO PRECHARGE
Notes:
1) CAS latency = 2, Burst Length = 4
2) x16: A9, A11, A12 = "Don't Care"
54
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
ACTIVE
t
t
t
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
t
t
t
CMH
AH
AH
AH
IS42S16160B
t
CK
t
t
t
NOP
RCD
RAS
RC
T1
DISABLE AUTO PRECHARGE
t
t
CMS
CL
COLUMN m
READ
BANK
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
t
AC
NOP
T4
D
OUT
t
OH
m
t
AC
Integrated Silicon Solution, Inc. — www.issi.com
NOP
T5
D
OUT
t
OH
m+1
t
AC
SINGLE BANK
ALL BANKS
PRECHARGE
BANK
T6
D
OUT
t
m+2
OH
t
AC
NOP
t
T7
D
RP
OUT
t
OH
m+3
t
HZ
ACTIVE
BANK
ROW
ROW
T8
DON'T CARE
UNDEFINED
07/28/08
Rev. D