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IC41C44054 Datasheet, PDF (3/18 Pages) Integrated Circuit Solution Inc – 4Mx4 bit Dynamic RAM with Fast Page Mode | |||
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IC41C4405x and IC41LV4405x Series
FUNCTIONAL BLOCK DIAGRAM
OE
WE
CAS
CAS
CONTROL
LOGIC
CAS
WE
CONTROL
LOGICS
WE
OE
CONTROL
LOGIC
RAS
RAS
CLOCK
GENERATOR
REFRESH
COUNTER
DATA I/O BUS
COLUMN DECODERS
SENSE AMPLIFIERS
A0-A10(A11)
ADDRESS
BUFFERS
MEMORY ARRAY
4,194,304 x 4
I/O0-I/O3
TRUTH TABLE
Function
Standby
Read
Write: Word (Early Write)
Read-Write
Hidden Refresh
RAS-Only Refresh
CBR Refresh
Note:
1. EARLY WRITE only.
Read
Write(1)
RAS
H
L
L
L
LâHâL
LâHâL
L
HâL
CAS
H
L
L
L
L
L
H
L
WE
X
H
L
HâL
H
L
X
X
OE
X
L
X
LâH
L
X
X
X
Address tR/tC
X
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ROW/NA
X
I/O
High-Z
DOUT
DIN
DOUT, DIN
DOUT
DOUT
High-Z
High-Z
Integrated Circuit Solution Inc.
3
DR013-0B 10/17/2002
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