is42s16800f-7tli Integrated Silicon Solution, Inc., is42s16800f-7tli Datasheet - Page 52

• Manufacturer Part Number: is42s16800f-7tli
• Description: 16m X 8, 8m X16 128mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42/45S81600F, IS42/45S16800F
Notes:
1) CAS latency = 2, Burst Length = 4
2) x16: A9 and A11 = "Don't Care"
52
READ WITH AUTO PRECHARGE
DQM/DQML
COMMAND
A0-A9, A11
x8: A11 = "Don't Care"
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
t
CK
t
t
t
NOP
RCD
RAS
RC
T1
ENABLE 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
NOP
T6
D
OUT
t
OH
m+2
t
AC
NOP
t
T7
D
RP
OUT
t
OH
m+3
t
HZ
ACTIVE
BANK
ROW
ROW
T8
DON'T CARE
UNDEFINED
11/16/2010
Rev. 00A