SDRAM
AS4SD16M16
Austin Semiconductor, Inc.
SELF REFRESH MODE (IT & IT+ Temp options ONLY)
TIMING PARAMETERS
-75
-75
SYMBOL*
MIN
MAX
UNITS
SYMBOL*
MIN
MAX
UNITS
t
0.8
ns
t
1.5
ns
AH
CKS
t
1.5
2.5
2.5
7.5
10
ns
ns
ns
ns
ns
ns
t
0.8
1.5
44
20
75
ns
ns
ns
ns
ns
AS
CH
CMH
t
t
CMS
t
t
80,000
CL
RAS
t
t
t
RP
CK(3)
CK(2)
t
XSR
t
0.8
CKH
*CAS latency indicated in parentheses.
NOTES:
1. No maximum time limit for Self Refresh. tRAS(MAX) applied to non-Self Refresh mode.
2. tXSR requires minimum of two clocks regardless of frequency or timing.
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS4SD16M16
Rev. 1.0 11/02
35
AUSTIN [ AUSTIN SEMICONDUCTOR ]
