is42s16400b1 Integrated Silicon Solution, Inc., is42s16400b1 Datasheet - Page 44

• Manufacturer Part Number: is42s16400b1
• Description: 1 Meg Bits X 16 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram - Integrated Silicon Solution, Inc
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16400B1
ALTERNATING BANK READ ACCESSES
44
DQML, DQMH
COMMAND
A0-A9, A11
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
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
xx
(2)
CAS Latency - BANK 0
Integrated Silicon Solution, Inc. — www.issi.com —
T3
NOP
t
LZ
t
AC
xx
BANK 3
ACTIVE
ROW
ROW
T4
D
OUT
t
OH
m
t
AC
t
RCD
x
- BANK 3
ENABLE AUTO PRECHARGE
T5
D
NOP
OUT
t
OH
m+
t
1
AC
COLUMN b
BANK 3
READ
T6
D
OUT
x
t
OH
m+
t
(2)
RP
t
2
AC
CAS Latency - BANK 3
- BANK 0
T7
D
NOP
OUT
t
OH
m+
t
3
x x x
AC
ACTIVE
BANK 0
ISSI
ROW
T8
ROW
DON'T CARE
1-800-379-4774
D
OUT
t
OH
b
t
RCD
t
AC
- BANK 0
12/09/03
Rev. A
®