T2316405A
Preliminary T2316407A
TE
(continued)
AC CHARACTERISTICS
AC CHARACTERISTICS
PARAMETER
-50
-60
-70
-10
UNIT Notes
SYM
Min Max Min Max Min Max Min Max
t
t
t
t
16
OE
0
0
8
12
15
0
0
20
0
0
25 ns
OFF2
WCS
WCH
WCR
Output Buffer Turn-off to
0
0
Write Command Setup Time
11,14
ns
ns
Write Command Hold Time
13
15
10
Write Command Hold Time (Reference
14
21
27
40
ns
24
RAS
to
)
Write Command Pulse Width
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
14
14
14
12
12
8
10
8
10
13
13
0
15
25
25
0
ns
WP
10
10
10
0
RAS
CAS
Write Command to
Write Command to
Data-in Setup Time
Data-in Hold Time
Lead Time
Lead Time
ns
RWL
CWL
DS
ns
0
ns
8
13
27
94
59
44
2
20
45
130
80
55
2
ns
DH
10
24
79
49
34
2
RAS
Data-in Hold Time (Reference to
RAS to WE Delay Time
)
21
64
39
26
2
ns
DHR
RWD
AWD
CWD
11
11
11
2,3
ns
WE
Column Address to
Delay Time
ns
ns
CAS WE
to
Delay Time
Transition Time (rise or fall)
Refresh Period (2048 cycles)
RAS to CAS Precharge Time
50
50
32
50
32
50 ns
32 ms
ns
T
32
5
REF
RPC
5
5
5
6
CAS
CAS
Setup Time (CBR REFRESH)
Hold Time (CBR REFRESH)
5
10
10
10
10
ns
CSR
CHR
OEH
10
10
6
8
ns
15
OE
WE
During Read-
Hold Time From
Modify-Write Cycle
OE CAS
8
5
13
5
25
5
ns
ns
ns
ns
ns
10
5
t
t
Low to
High Setup Time
OES
OE High Hold Time From CAS High
OEH
5
5
5
5
C
t
OE
High Pulse Width
10
5
10
10
5
10
13
5
OEP
10
7
t
OE Setup Prior to RAS During Hidden
Refresh Cycle
ORD
t
t
CAS
Data Output Hold After
Returning Low
5
ns
COH
WHZ
5
WE
10
15
20
25 ns
Output Disable Delay From
Taiwan Memory Technology, Inc. reserves the right P. 6
to change products or specifications without notice.
Publication Date: APR. 2001
Revision:0.B