IC42S32400 Datasheet, PDF (3/62 Pages) Integrated Circuit Solution Inc – 1M x 32 Bit x 4 Banks (128-MBIT) SDRAM

IC42S32400
IC42S32400L
FUNCTIONAL BLOCK DIAGRAM
CLK
CKE
CS#
RAS#
CAS#
WE#
CLOCK
BUFFER
COMMAND
DECODER
A10/AP
COLUMN
C O U N TE R
CONTROL
SIGNAL
G E N E R AT O R
MODE
REGISTER
A0
A9
A 11
BS0
BS1
ADDRESS
BUFFER
REFRESH
COUNTER
DQ0
D Q 31
DQ
BUFFER
DQM0~3
Column Decoder
4096 X 256 X 32
CELL ARRAY
(BANK #0)
Sense Amplifier
Sense Amplifier
4096 X 256 X 32
CELL ARRAY
(BANK #1)
Col um n Decoder
Column Decoder
4096 X 256 X 32
CELL ARRAY
(BANK #2)
Sense Amplifier
Sense Amplifier
4096 X 256 X 32
CELL ARRAY
(BANK #3)
Column Decoder
Integrated Circuit Solution Inc.
3
DR038-0C 02/01/2005