isl706xrheval1z Intersil Corporation, isl706xrheval1z Datasheet - Page 4

• Manufacturer Part Number: isl706xrheval1z
• Description: Rad-hard, 5.0v/3.3v µ-processor Supervisory Circuits
• Manufacturer: Intersil Corporation

PFI
PB
Functional Block Diagrams
Timing Diagrams
V
MR
DD
WDI
ISL705ARH, ISL705BRH, ISL705CRH, ISL706ARH, ISL706BRH, ISL706CRH
ISL705ARH, ISL706ARH
+ V
-
+ -
RST
V
MR
RST
V
WDI
WDO
V
DD
RST
WDT
REF
DD
REF
POR
PF
V
1.2V
V
1.2V
RST
RST
GND
4
t
RST
RST
WDO
PFO
t
< t
RST
WD
FIGURE 3. RST, RST, MR AND WDO TIMING DIAGRAM
PFI
PB
FIGURE 4. WATCHDOG TIMING DIAGRAM
MR
V
WDI
>t
DD
< t
WP
WD
t
RST
ISL705BRH, ISL706BRH
+ -
+ -
V
V
t
WDT
REF
WD
REF
POR
PF
t
WD
GND
>t
<t
MD
MR
t
RST
< t
RST
WDO
PFO
WD
PFI
PB
MR
V
WDI
DD
ISL705CRH, ISL706CRH
+ -
+ -
t
V
RST
V
WDT
REF
REF
POR
PF
December 1, 2011
GND
FN7662.1
RST_OD
WDO
PFO