SMJ626162 Datasheet, PDF (21/42 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
DQ
nCWL
tAPW
WRT
WRT-P
Command Command
D
D
ACTV, MRS, or
REFR Command
Figure 15. Write With Auto-Deactivate
CLK
READ
Command
DQ
nDOD
nDOD
Q
tRWL
WRT
Command
D
Ignored
DEAC or
DCAB
Command
Ignored Ignored
ENBL
MASK
MASK
MASK
ENBL
MASK
MASK
Command Command Command Command Command Command Command
DQMx
NOTE A: For this example, assume read latency = 3 and burst length = 4.
Figure 16. DQ Masking
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