SDRAM
AS4SD16M16
Austin Semiconductor, Inc.
WRITE - DQM OPERATION1
TIMING PARAMETERS
-75
-75
SYMBOL*
MIN
MAX
UNITS
SYMBOL*
MIN
MAX
UNITS
t
0.8
ns
t
ns
AH
CKS
1.5
t
1.5
2.5
2.5
7.5
10
ns
ns
ns
ns
ns
ns
t
ns
ns
ns
ns
ns
AS
CH
CMH
0.8
1.5
t
t
CMS
t
t
t
0.8
1.5
20
CL
DH
DS
t
t
CK(3)
CK(2)
t
RCD
t
0.8
CKH
*CAS latency indicated in parentheses.
NOTES:
1. For this example, the burst length = 4.
2. A9, A11, and A12 = “Don’t Care”
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS4SD16M16
Rev. 1.0 11/02
49