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Número de pieza
componentes Descripción
DS1284N Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
DS1284N
Watchdog Timekeepers
Dallas Semiconductor -> Maxim Integrated
DS1284N Datasheet PDF : 18 Pages
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DS1284/DS1286
CAPACITANCE
(T
A
= +25°C)
PARAMETER
Input Capacitance
Output Capacitance
Input/Output Capacitance
SYMBOL
C
IN
C
OUT
C
I/O
MIN
TYP
7
7
7
MAX
10
10
10
UNITS
pF
pF
pF
NOTES
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 4.5V to 5.5V, T
A
= -40
°
C to +85
°
C or 0°C to +70°C.)
PARAMETER
SYMBOL MIN
Read Cycle Time
t
RC
150
Address Access Time
CE
Access Time
OE
Access Time
OE
or
CE
to Output Active
t
ACC
t
CO
t
OE
t
COE
10
Output High-Z from Deselect
t
OD
Output Hold from Address Change
t
OH
10
Write Cycle Time
t
WC
150
Write Pulse Width
t
WP
140
Address Setup Time
t
AW
0
Write Recovery Time
Output High-Z from
WE
Output Active from
WE
t
WR
10
t
ODW
t
OEW
10
Data Setup Time
t
DS
45
Data Hold Time
INTA
,
INTB
Pulse Width
t
DH
0
t
IPW
3
TYP
MAX
150
150
60
60
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
NOTES
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3
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4,5
11,12
10 of 18
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