TMS44409 Datasheet, PDF (23/26 Pages) Texas Instruments – 1048576-WORD BY 4-BIT DYNAMIC RANDOM-ACCESS MEMORY

TMS44409, TMS44409P
1048576-WORD BY 4-BIT
DYNAMIC RANDOM-ACCESS MEMORY
SMHS563 – JULY1995
PARAMETER MEASUREMENT INFORMATION
RAS
tRASS
CAS
tRPC
tCSR
tCHS
tRPS
A0 – A9
Don’t Care
W
Don’t Care
OE
DQ1 – DQ4
RAS
tRPC
CAS
W
tREZ
Don’t Care
Hi-Z
tRP
tCSR
Figure 15. Self Refresh Timing
tRC
tRAS
tWTS
tCHR
tT
tWTH
Don’t Care
A0 – A9
Don’t Care
OE
Don’t Care
DQ1 – DQ4
Hi-Z
Figure 16. Test-Mode Entry Cycle
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