DS1386 View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS1386 Datasheet PDF : 20 Pages
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www.maxim-ic.com
DS1386/DS1386P
RAMified Watchdog Timekeeper
FEATURES
PIN ASSIGNMENT
§ 8 or 32 kbytes of user NV RAM
§ Integrated NV SRAM, real time clock,
INTA 1
INTB 2
crystal, power-fail control circuit and lithium NC 3
energy source
§ Totally nonvolatile with over 10 years of
A12 4
A7 5
A6 6
operation in the absence of power
A5 7
§ Watchdog timer restarts an out-of-control
processor
§ Alarm function schedules real-time related
A4 8
A3 9
A2 10
A1 11
activities such as system wakeup
A0 12
32
VCC
INTA 1
31
SQW
INTB 2
30
VCC
A14 3
29 WE
A12 4
28 NC
A7 5
27 A8
A6 6
26 A9
25 A11
24 OE
23 A10
A5 7
A4 8
A3 9
A2 10
22 CE
A1 11
21 DQ7
A0 12
32
VCC
31 SQW
30
VCC
29 WE
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 DQ7
§ Programmable interrupts and square wave DQ0 13
output
DQ1 14
§ All registers are individually addressable via DQ2 15
GND 16
the address and data bus
20 DQ6
19 DQ5
18 DQ4
17 DQ3
DQ0 13
DQ1 14
DQ2 15
GND 16
20 DQ6
19 DQ5
18 DQ4
17 DQ3
§ Interrupt signals are active in power-down
mode
DS1386 8k x 8
32-Pin Encapsulated Package
DS1386 32k x 8
32-Pin Encapsulated Package
INTB (INTB)
NC
NC
PFO
VCC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
1
34
2
33
3
32
4
31
5
30
6
29
7
28
8
27
9
26
10
25
11
24
12
23
13
22
14
21
15
16
X1
GND VBAT
X2
20
19
17
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
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
1
34
2
33
3
32
4
31
5
30
6
29
7
28
8
27
9
26
10
25
11
24
12
23
13
22
14
21
15
16
X1
GND VBAT
X2
20
19
17
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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