SMJ626162 Datasheet, PDF (20/42 Pages) Texas Instruments – 524288 BY 16-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY

SMJ626162
524288 BY 16-BIT BY 2-BANK
SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY
SGMS737C – JULY 1997 – REVISED MARCH 1999
PARAMETER MEASUREMENT INFORMATION
CLK
nHZP
nEP
READ
Command
DQ
DEAC or
DCAB
Command
tHZ
Q
Q
Q
NOTE A: For this example, assume read latency = 3 and burst length = 4.
Figure 12. Read Followed by Deactivate
CLK
READ-P
Command
tAPR
Final Data Out
ACTV, MRS, or
REFR Command
DQ
Q
NOTE A: For this example, assume read latency = 3 and burst length = 1.
Figure 13. Read With Auto-Deactivate
CLK
nCWL
tRWL
WRT
WRT
Command Command
DEAC or DCAB
Command
DQ
D
D
NOTE A: For this example, assume burst length = 1.
Figure 14. Write Followed By Deactivate
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