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HA16129AFPJ Datasheet(PDF) 3 Page - Renesas Technology Corp

Part # HA16129AFPJ
Description  Single Watchdog Timer
PDF  23 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HA16129AFPJ Datasheet(HTML) 3 Page - Renesas Technology Corp

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HA16129AFPJ
Rev.1.00 Jun 15, 2005 page 3 of 22
Block Diagram
−
+
71k
1.5V
STBY detection
block
36.8k
−
+
2k
NMI detection
block
25k
1.18V
70k
80k
3.3k
19
15
STBYadj
NMIsns
16
NMIadj
To Vout
31.2k
Q R
S
RES
STBY
tON detection
block
6
RT
5
CR
Q
R
S
NMI
3
Cf
If*16
If/6
1
P-RUN
−
+
−
+ −
WDT block
IR
IR*4/3
Delay circuit block
−
8.4k
20k
33k
19k
18
3.3k
+
−
+
7
CRES
RES
−
+
Q
R
S
OUTE
block
10
3.3k
OUTE
17
NMI
20
STBY
11
12
13
Regulator block
+
−
VCC
CS
CONT
Short
detection
block
9
Voadj
14
VOUT
To microprocessor
(or other device)
power supply
connections
RES block
4
RR
2
Rf
IR
If
2V
8
GND
3.3k
1.24V
Overvoltage
detection
block
Note: The current, voltage, and resistor values listed in the diagram are reference values.
: Connect to Vout



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