H6006 EMMICRO [EM Microelectronic - MARIN SA], H6006 Datasheet - Page 7

• Manufacturer Part Number: H6006
• Description: Failsafe Watchdog
• Manufacturer: EMMICRO [EM Microelectronic - MARIN SA]

Voltage Monitor with Spike Suppression
Watchdog and Power-On Reset
External Programming of RC Oscillator
Copyright © 2004, EM Microelectronic-Marin SA
Versions A1 or B1
C1
Note: using both external components R1 and C1 allows
If only V
common) then the version A3 or B3 with its constant
thresholds are recommended. The power-on reset
function is still available as the V
C1 increases T
to achieve tighter timeout period tolerances.
DD
TCL
RC
V
10 VDC
Rough
SS
monitoring is used, (i.e.V
R
V
TCL
V
TO
IN
SS
Regulator
RES
Voltage
V
TO
DD
DD
RES
V
TO
monitoring is active.
DD
IN
R1
and V
R1 shortens T
2.7 kΩ
DD
TCL
RC
V
SS
Fig. 13
To
330 nF
V
RES
7
V
V
Versions A3 and B3 only.
DD
TO
DD
IN
Monitoring and Power-On Reset
monitoring and watchdog function not used.
V
TCL
V
IN
SS
R1
C1
This circuit provides independent
programming of both timeout period
and power-on reset delay.
V
TCL
V
IN
SS
SAVE
V
RES
DD
TO
TCL
RC2
V
SS
SAVE
RES
V
TO
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DD
5 VDC
RES
V
TO
H6006
DD
Fig. 12
Fig. 14
Fig. 15