hm5264165f-75 Elpida Memory, Inc., hm5264165f-75 Datasheet - Page 25

• Manufacturer Part Number: hm5264165f-75
• Description: 64m Lvttl Interface Sdram
• Manufacturer: Elpida Memory, Inc.

Write with auto-precharge: In this operation, since precharge is automatically performed after completing
a burst write or single write operation, a precharge command need not be executed after each write operation.
The command executed for the same bank after the execution of this command must be the bank active
(ACTV) command. In addition, an interval of l
next command.
Burst Write (Burst Length = 4)
Single Write
Note: Internal auto-precharge starts at the timing indicated by "
Note: Internal auto-precharge starts at the timing indicated by "
Command
DQ (input)
Command
DQ (input)
CLK
CLK
and an interval of t
and internal precharge "
and an interval of t
and internal precharge "
ACTV
ACTV
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
RAS
RAS
Data Sheet E0135H10
(l
(l
RAS
RAS
".
".
) is required between previous active (ACTV) command
) is required between previous active (ACTV) command
I
I
RAS
RAS
APW
WRIT A
WRIT A
is required between the final valid data input and input of
in0
in
in1
l
APW
in2
in3
".
".
ACTV
l
APW
ACTV
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