MB81F641642D Fujitsu Microelectronics, MB81F641642D Datasheet - Page 37

• Manufacturer Part Number: MB81F641642D
• Description: 4 x 1M x 16-Bit SDRAM
• Manufacturer: Fujitsu Microelectronics

CLK
Command
DQ
Command
DQ
Command
DQ
Command
DQ
Note: In case of CL = 2, the l
TIMING DIAGRAM – 7 : READ INTERRUPTED BY PRECHARGE (EXAMPLE @ CL = 2, BL = 4)
In case of CL = 3, the l
PRECHARGE means ‘PRE’ or ‘PALL’.
MB81F641642D-75/-102/-102L
ROH
ROH
PRECHARGE
is 2 clocks.
is 3 clocks.
PRECHARGE
I
ROH
(2 clocks)
Q1
Q1
Q1
Q1
PRECHARGE
I
ROH
Hi-Z
(2 clocks)
Q2
Q2
Q2
I
PRECHARGE
ROH
(2 clocks)
Hi-Z
Q3
Q3
No effect (end of burst)
Hi-Z
Q4
Preliminary (AE4.1E)
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