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PDF DS1386P Data sheet ( Hoja de datos )
| Número de pieza | DS1386P | |
| Descripción | RAMified Watchdog Timekeeper | |
| Fabricantes | Dallas | |
| Logotipo |  |
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DS1386/DS1386P
RAMified Watchdog Timekeeper
FEATURES
PIN ASSIGNMENT
§ 8 or 32 kbytes of user NV RAM
§ Integrated NV SRAM, real time clock,
INTA
INTB
crystal, power-fail control circuit and lithium NC
1
2
3
32 VCC
31 SQW
30 VCC
energy source
§ Totally nonvolatile with over 10 years of
A12 4
A7 5
A6 6
29 WE
28 NC
27 A8
operation in the absence of power
A5 7
26 A9
§ Watchdog timer restarts an out-of-control
processor
§ Alarm function schedules real-time related
A4 8
A3 9
A2 10
A1 11
25 A11
24 OE
23 A10
22 CE
activities such as system wakeup
A0 12
21 DQ7
§ Programmable interrupts and square wave DQ0 13
20 DQ6
output
DQ1
§
All registers are individually addressable via
the address and data bus
DQ2
GND
14
15
16
19 DQ5
18 DQ4
17 DQ3
§ Interrupt signals are active in power-down
mode
DS1386 8k x 8
32-Pin Encapsulated Package
INTA
INTB
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 VCC
31 SQW
30 VCC
29 WE
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 DQ7
20 DQ6
19 DQ5
18 DQ4
17 DQ3
DS1386 32k x 8
32-Pin Encapsulated Package
INTB (INTB)
NC
NC
PFO
VCC
WE
OE
DCQE7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
X1
GND VBAT
X2
17
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
DS1386 8k x 8
34-Pin PowerCap Module Board
(Uses DS9034PCX PowerCap)
INTA
SQW
NC
NC
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
INTB (INTB)
NC
NC
PFO
VCC
WE
OE
DCQE7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
X1
GND VBAT
X2
17
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
DS1386 32k x 8
34-Pin PowerCap Module Board
(Uses DS9034PCX PowerCap)
INTA
SQW
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
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072401
Free Datasheet http://www.Datasheet-PDF.com/
1 page  
BLOCK DIAGRAM Figure 1
DS1386/1386P
5 of 20
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5 Page 
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
DS1386/1386P
-0.3V to +7.0V
0°C to 70°C
-40°C to +70°C
See J-STD-020A Specification (See Note 14)
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL MIN
TYP
Supply Voltage
VCC 4.5 5.0
Input Logic 1
VIH 2.2
Input Logic 0
VIL -0.3
MAX
5.5
VCC+0.3
+0.8
(0°C to 70°C)
UNITS NOTES
V 10
V 10
V 10
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Input Leakage Current
Output Leakage Current
I/O Leakage Current
IIL -1.0
ILO -1.0
ILIO -1.0
Output Current @ 2.4V
Output Current @ 0.4V
IOH -1.0
IOL
Standby Current CE =2.2V
ICCS1
Standby Current CE =VCC-0.5
ICCS2
Active Current
Write Protection Voltage
ICC
VTP 4.0
(0°C to 70°C; VCC = 5.0V ± 10%)
TYP MAX UNITS NOTES
+1.0 µA
+1.0 µA
+1.0 µA
mA
2.1 mA 13
3.0 7.0 mA
2.0 4.0 mA
85 mA
4.25 4.5
V
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
Input/Output Capacitance
SYMBOL
CIN
COUT
CI/O
MIN
TYP
7
7
7
MAX
15
15
15
(tA=25°C)
UNITS NOTES
pF
pF
pF
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| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet DS1386P.PDF ] | |
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