AS4LC1M16 883C
1 MEG x 16 DRAM
AUSTIN SEMICONDUCTOR, INC.
PRELIMINARY
HIDDEN REFRESH CYCLE 32
(WE = HIGH; OE = LOW)
t
RC
t
t
t
RAS
RAS
RP
V
V
IH
IL
RAS
t
t
t
t
CRP
RCD
RSH
CHR
V
V
IH
IL
CASL/CASH
t
t
AR
t
t
RAD
RAL
t
t
t
ASR
RAH
ASC
CAH
V
V
IH
IL
ADDR
ROW
COLUMN
t
t
t
t
AA
RAC
CAC
CLZ
t
OFF
V
IOH
IOL
DQx
OE
OPEN
VALID DATA
OPEN
V
t
t
OD
OE
V
V
t
IH
IL
ORD
DON’T CARE
UNDEFINED
TIMING PARAMETERS
-6
-7
-8
-6
-7
-8
SYM MIN
tAA
MAX
MIN
MAX
MIN
MAX
UNITS
ns
SYM MIN
MAX
MIN
3
MAX
MIN
MAX
UNITS
ns
30
35
40
tOFF
tORD
tRAC
tRAD
tRAH
tRAL
tRAS
tRC
3
0
15
15
3
0
15
tAR
45
0
50
0
60
0
ns
0
ns
tASC
tASR
tCAC
tCAH
tCHR
tCLZ
tCRP
tOD
ns
60
30
70
35
80
40
ns
0
0
0
ns
12
10
30
60
105
14
40
13
12
10
35
15
10
40
ns
15
20
20
ns
ns
10
10
0
12
12
0
15
15
0
ns
ns
ns
10,000 70 10,000 80
10,000
60
ns
ns
125
14
145
20
ns
5
5
5
ns
tRCD
tRP
45
50
ns
0
15
15
0
15
20
0
20
20
ns
50
60
ns
tOE
ns
tRSH
15
15
ns
AS4LC1M16
REV. 3/97
DS000020
Austin Semiconductor, Inc., reserves the right to change products or specifications without notice.
2-112
AUSTIN [ AUSTIN SEMICONDUCTOR ]
