TMS44400_1998 Datasheet, PDF (14/25 Pages) Texas Instruments – 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORIES

TMS44400, TMS44400P, TMS46400, TMS46400P
1048576-WORD BY 4-BIT
DYNAMIC RANDOM-ACCESS MEMORIES
SMHS562C – MAY 1995 – REVISED NOVEMBER 1996
PARAMETER MEASUREMENT INFORMATION
RAS
CAS
A0 – A9
tRWC
tRAS
tT
tRCD
tASR
tASC
tRAH
tRAD
tAR
Row
Column
tCAS
tCAH
tT
Don’t Care
tRP
tCRP
tCP
tCWL
W
DQ1 – DQ4
OE
tRCS
tRWD
tCAC
tAA
tCLZ
See Note A
tAWD
tCWD
Data
Out
tRAC
Don’t Care
tOEH
tRWL
tWP
Don’t Care
tDS
Data
In
tOEZ
tOED
tDH
Don’t Care
tOEH
Don’t Care
NOTE A: Output can go from the high-impedance state to an invalid-data state prior to the specified access time.
Figure 7. Read-Write-Cycle Timing
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