ic42s32400 ETC-unknow, ic42s32400 Datasheet - Page 3

• Manufacturer Part Number: ic42s32400
• Description: 1m X 32 Bit X 4 Banks 128-mbit Sdram
• Manufacturer: ETC-unknow

IC42S32400
IC42S32400L
FUNCTIONAL BLOCK DIAGRAM
Integrated Circuit Solution Inc.
DR038-0C 02/01/2005
A 1 0 / A P
A 0
A 9
A 1 1
B S 0
B S 1
CLK
C K E
C S #
R A S #
C A S #
W E #
D Q 0
D Q 31
D E C O D E R
C O U N TE R
A D D R E S S
COLUMN
COMMAND
R E F R E S H
C O U N T E R
B U F F E R
B U F F E R
C L O C K
B U F F E R
D Q M 0 ~ 3
G E N E R AT O R
D Q
C O N T R O L
R E G I S T E R
S I G N A L
M O D E
C o l u m n D e c o d e r
4 0 9 6 X 2 5 6 X 3 2
4 0 9 6 X 2 5 6 X 3 2
Column Decoder
Col um n
Sense
4096 X 256 X 32
C E L L A R R AY
Sense
Column
Sense Amplifier
C E L L A R R AY
Sense
CELL ARRAY
4096 X 256 X 32
( B A N K # 0 )
( B A N K # 1 )
(BANK #2)
CELL ARRAY
(BANK #3)
Amplifier
Amplifier
Amplifier
Decoder
Decoder
3