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Renesas Electronics Components Datasheet

M5295AFP Datasheet

Watchdog Timer

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M5295AL/AP/AFP
Watchdog Timer
REJ03D0780-0200
Rev.2.00
Jun 15, 2007
Description
M5295A is a semiconductor integrated circuit which is designed for system reset to detect +5 V power supply.
This IC keeps the operation microcomputer watching. When the system is abnormal, it generates reset output until the
system returns to normal states of the system.
It is possible to vary the two detective voltage by connecting the resistor, so it is suitable to high quality and high
performance system.
Features
Watchdog timer
Power on reset timer
Low circuit current: 0.8 mA (Typ, VCC = 5 V)
Wide supply voltage range: VCC(max) = 15 V
Application
Microcomputer system
Recommended Operating Condition
Supply voltage range: 4 V to 15 V
Rated supply voltage: 5 V
Block Diagram
F.F
F.F
+
+
W.D.T
F.F
49.6k
+
20.4k
51.2k
+
18.8k
1.24V
Reference voltage
generator circuit
20k 30k
1
WD
2
TC
3
RST1
4
GND
5
ADJ1
678
VCC
RST2
ADJ2
REJ03D0780-0200 Rev.2.00 Jun 15, 2007
Page 1 of 12


Renesas Electronics Components Datasheet

M5295AFP Datasheet

Watchdog Timer

No Preview Available !

M5295AL/AP/AFP
Pin Arrangement
M5295AL
8 ADJ2
7 RST2
6 VCC
5 ADJ1
4 GND
3 RST1
2 TC
1 WD
(Top view)
Outline: PRSS0008AA-A (8P5) [AL]
M5295AP
M5295AFP
WD 1
8 ADJ2
TC 2
7 RST2
RST1 3
GND 4
6 VCC
5 ADJ1
(Top view)
Outline: PRDP0008AA-A (8P4) [AP]
PRSP0008DE-C [AFP] (recommend)
PRSP0008DA-A (8P2S-A) [AFP] (not recommend for new design)
REJ03D0780-0200 Rev.2.00 Jun 15, 2007
Page 2 of 12


Part Number M5295AFP
Description Watchdog Timer
Maker Renesas
Total Page 13 Pages
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