TMS626812 Datasheet, PDF (22/40 Pages) Texas Instruments – 1048576 BY 8-BIT BY 2-BANK SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY

TMS626812
1048576 BY 8-BIT BY 2-BANK
SYNCHRONOUS DYNAMIC RANDOM-ACCESS MEMORY
SMOS687A –JULY 1996 – REVISED APRIL 1997
PARAMETER MEASUREMENT INFORMATION
CLK
READ
Command
DQ
nDOD
nDOD
Q
tWR
WRT
Command
D
Ignored
DEAC or
DCAB
Command
Ignored Ignored
ENBL
MASK
MASK
MASK
ENBL
MASK
MASK
Command Command Command Command Command Command Command
DQM
NOTE A: For this example assume CAS latency = 3, and burst length = 4.
Figure 16. DQ Masking
CLK
nCLE
nCLE
DQ
DQ
DQ
DQ
DQ
CKE
tiS
tiH
tiS
tiH
Figure 17. CLK-Suspend Operation
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