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Número de pieza
componentes Descripción
K4E640412E Ver la hoja de datos (PDF) - Samsung
Número de pieza
componentes Descripción
Fabricante
K4E640412E
16M x 4bit CMOS Dynamic RAM with Extended Data Out
Samsung
K4E640412E Datasheet PDF : 21 Pages
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Industrial Temperature
K4E660412E,K4E640412E
CAS - BEFORE - RAS SELF REFRESH CYCLE
NOTE : OE, A = Don
′
t care
CMOS DRAM
V
IH
-
RAS
V
IL
-
V
IH
-
CAS
V
IL
-
DQ0 ~ DQ3(7)
V
OH
-
V
OL
-
V
IH
-
W
V
IL
-
t
RP
t
RPC
t
CP
t
CSR
t
C E Z
t
W R P
t
WRH
t
RASS
t
RPS
t
CHS
t
RPC
OPEN
TEST MODE IN CYCLE
NOTE : OE , A = Don
′
t care
V
IH
-
RAS
V
IL
-
V
IH
-
CAS
V
IL
-
V
IH
-
W
V
IL
-
DQ0 ~ DQ3(7)
V
OH
-
V
OL
-
t
RP
t
R P C
t
CP
t
CSR
t
CHR
t
W T S
t
WTH
t
OFF
t
R C
t
R A S
OPEN
t
R P
t
RPC
Don
′
t care
Undefined
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