MB81F641642D Fujitsu Microelectronics, MB81F641642D Datasheet - Page 35

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

Note: CAS Bank delay can be one or more clock period.
A
CLK
RAS
CAS
Address
Note: CAS to CAS delay can be one or more clock period.
CLK
RAS
CAS
Address
12
, A
13
(BA)
TIMING DIAGRAM – 3 : COLUMN ADDRESS TO COLUMN ADDRESS INPUT DELAY
ADDRESS
ADDRESS
TIMING DIAGRAM – 4 : DIFFERENT BANK ADDRESS INPUT DELAY
Bank 0
ROW
ROW
MB81F641642D-75/-102/-102L
t
t
t
RCD
RRD
RCD
(min) or more
(min)
(min)
ADDRESS
ADDRESS
COLUMN
Bank 3
ROW
(1 clock)
I
CCD
ADDRESS
ADDRESS
COLUMN
COLUMN
t
Bank 0
RCD
(min)
I
CCD
ADDRESS
ADDRESS
COLUMN
COLUMN
Bank 3
(1 clock)
I
I
CBD
CCD
ADDRESS
ADDRESS
COLUMN
COLUMN
Bank 0
Preliminary (AE4.1E)
I
I
CCD
CBD
ADDRESS
ADDRESS
COLUMN
COLUMN
Bank 3
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