AUSTIN SEMICONDUCTOR, INC.
AS4LC1M16 883C
1 MEG x 16 DRAM
PRELIMINARY
CAPACITANCE
PARAMETER
Input Capacitance: Addresses
Input Capacitance:
?
R
?
A
/
S,
?
C
?
A
/
S
/
L,?C
?
A
/
S
/
H,
?
W
/
E,
?
O
/
E
Input/Output Capacitance: DQ
SYMBOL
C
I
1
C
I
2
C
IO
MAX
7
7
8
UNITS
pF
pF
pF
NOTES
8
8
8
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(Notes: 2, 3, 6, 9, 10, 11, 12,) (V
CC
= +3.3V
±0.3V)
AC CHARACTERISTICS
PARAMETER
Access time from column-address
Column-address set-up to
?
C
?
A
/
S precharge
Column-address hold time (referenced to
?
R
?
A
/
S)
Column-address setup time
Row-address setup time
Column-address to
?
W
/
E delay time
Access time from
?
C
?
A
/
S
Column-address hold time
?
C
?
A
/
S pulse width
?
C
?
A
/
S hold time (CBR REFRESH)
Last
?
C
?
A
/
S going LOW to first
?
C
?
A
/
S to return HIGH
?
C
?
A
/
S to output in Low-Z
Data output hold after next
?
C
?
A
/
S LOW
?
C
?
A
/
S precharge time
Access time from
?
C
?
A
/
S precharge
?
C
?
A
/
S to
?
R
?
A
/
S precharge time
?
C
?
A
/
S hold time
?
C
?
A
/
S setup time (CBR REFRESH)
?
C
?
A
/
S to
?
W
/
E delay time
Write command to
?
C
?
A
/
S lead time
Data-in hold time
Data-in hold time (referenced to
?
R
?
A
/
S)
Data-in setup time
Output disable
Output Enable
OE hold time from WE during READ-MODIFY-WRITE cycle
? /
? /
?
O
/
E HIGH hold from
?
C
?
A
/
S HIGH
?
O
/
E HIGH pulse width
-6
SYM
t
AA
t
ACH
t
AR
t
ASC
t
ASR
t
AWD
t
CAC
t
CAH
t
CAS
t
CHR
t
CLCH
t
CLZ
t
COH
t
CP
t
CPA
t
CRP
t
CSH
t
CSR
t
CWD
t
CWL
t
DH
t
DHR
t
DS
t
OD
t
OE
t
OEH
t
OEHC
t
OEP
MIN
15
45
0
0
55
15
10
12
10
10
0
3
10
5
50
5
35
15
10
45
0
0
12
10
10
10,000
12
13
12
10
0
3
10
5
55
5
40
15
12
55
0
0
12
10
10
MAX
30
MIN
15
50
0
0
60
20
10,000
15
15
15
15
0
3
10
5
60
10
45
20
15
60
0
0
15
10
10
-7
MAX
35
MIN
25
60
0
0
65
20
10,000
-8
MAX
40
UNITS NOTES
35
40
40
15
15
15
20
15
20
ns
ns
ns
ns
25
ns
25
ns
13
ns 14, 26
ns
25
ns
27
ns 7, 28
ns
29
ns
26
ns
ns 15, 30
ns
26
ns
28
ns
28
ns 7, 25
ns 13, 25
ns
28
ns 16, 26
ns
ns 16, 26
ns
ns 17, 26
ns
18
ns
18
ns
AS4LC1M16
REV. 3/97
DS000020
2-100
Austin Semiconductor, Inc., reserves the right to change products or specifications without notice.
AUSTIN [ AUSTIN SEMICONDUCTOR ]
