IC41LV44002A Datasheet, PDF (3/20 Pages) Integrated Circuit Solution Inc – 4M x 4 (16-MBIT) DYNAMIC RAM WITH EDO PAGE MODE

IC41C44002A/IC41C44002AS(L)
IC41LV44002A/IC41LV44002AS(L)
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
ADDRESS
BUFFERS
MEMORY ARRAY
4,194,304 x 4
I/O0-I/O3
TRUTH TABLE
Function
Standby
Read
Write: Word (Early Write)
Read-Write
EDO Page-Mode Read 1st Cycle:
2nd Cycle:
EDO Page-Mode Write 1st Cycle:
2nd Cycle:
EDO Page-Mode
1st Cycle:
Read-Write
2nd Cycle:
Hidden Refresh
RAS-Only Refresh
Read
Write⁽¹⁾
CBR Refresh
Note:
1. EARLY WRITE only.
RAS
H
L
L
L
L
L
L
L
L
L
L→H→L
L→H→L
L
H→L
CAS
H
L
L
L
H→L
H→L
H→L
H→L
H→L
H→L
L
L
H
L
WE
X
H
L
H→L
H
H
L
L
H→L
H→L
H
L
X
H
OE
X
L
X
L→H
L
L
X
X
L→H
L→H
L
X
X
X
Address tR/tC
X
ROW/COL
ROW/COL
ROW/COL
ROW/COL
NA/COL
ROW/COL
NA/COL
ROW/COL
NA/COL
ROW/COL
ROW/COL
ROW/NA
X
I/O
High-Z
DOUT
DIN
DOUT, DIN
DOUT
DOUT
DIN
DIN
DOUT, DIN
DOUT, DIN
DOUT
DIN
High-Z
High-Z
Integrated Circuit Solution Inc.
3
DR026-0A 09/04/2001