TMS464409 Datasheet, PDF (25/33 Pages) Texas Instruments – 16 777 216 BY 4-BIT EXTENDED DATA OUT DYNAMIC RANDOM-ACCESS MEMORIES

RAS
CAS
Address
W
OE
TMS464409, TMS464409P, TMS465409, TMS465409P
16 777 216 BY 4-BIT EXTENDED DATA OUT
DYNAMIC RANDOM-ACCESS MEMORIES
SMKS895A – MAY 1997 – REVISED OCTOBER 1997
PARAMETER MEASUREMENT INFORMATION
tRC
tRAS
Don’t Care
Don’t Care
tCRP
tASR
tRP
tT
tRPC
tRAH
Row
Don’t Care
Row
Don’t Care
Hi Z
Don’t Care
Figure 13. RAS-Only Refresh-Cycle Timing
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25