IC41C44002 Ver la hoja de datos (PDF) - Integrated Circuit Solution Inc
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IC41C44002 Datasheet PDF : 20 Pages
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IC41C4400x and IC41LV4400x 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
EDO Page-Mode Read 1st Cycle:
2nd Cycle:
EDO Page-Mode Write 1st Cycle:
2nd Cycle:
EDO Page-Mode
Read-Write
1st Cycle:
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
X
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
DOUT
High-Z
High-Z
Integrated Circuit Solution Inc.
3
DR007-0B 10/17/2002
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