IS42S16800B ISSI [Integrated Silicon Solution, Inc], IS42S16800B Datasheet - Page 34

• Manufacturer Part Number: IS42S16800B
• Description: 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S81600B,
Notes:
1) CAS latency = 2, Burst Length = Full Page
2) X16: A9 and A11 = "Don't Care"
READ - FULL-PAGE BURST
34
DQML, DQMH
COMMAND
X8: A11 = "Don't Care"
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
t
t
t
CMH
AH
AH
AH
t
IS42S16800B
CK
t
RCD
T1
NOP
t
t
CMS
CL
COLUMN m
BANK
READ
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
Integrated Silicon Solution, Inc. — www.issi.com —
t
AC
NOP
T4
D
OUT
t
OH
each row (x4) has
1,024 locations
m
t
AC
NOP
T5
D
OUT
t
OH
m+
t
1
AC
Full page
completion
NOP
T6
D
OUT
t
t
OH
m+
AC
Use BURST TERMINATE command.
2
Full-page burst not self-terminating.
Tn+1
NOP
D
OUT
t
OH
m-
t
1
AC
BURST TERM
Tn+2
D
OUT
t
OH
m
t
AC
Tn+3
ISSI
NOP
D
OUT
1-800-379-4774
t
DON'T CARE
UNDEFINED
OH
m+
t
HZ
1
Tn+4
NOP
05/01/06
Rev. E
®