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MA-990
OE
vol
02
WE
RAS
AG
AS
A4
vec
Clock generator No.1
Clock generator No.2
Clock
Mode control
generator
No.3
Refresh counter
262144 bit
memory cell
Sense
amplifier
=
soa
buffer
Column
Low
decoder
Pin Assignment
Block Diagram
TSALSELSW
[| —_—__—
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Hi NJUM7909FA (MAIN BOARD ASSY : IC002)
» Voltage Regulator
ePin Assignment
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