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ILC705 Datasheet(PDF) 1 Page - Impala Linear Corporation

Part No. ILC705
Description  MP SUPERVISORY CIRCUIT
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Maker  IMPALA [Impala Linear Corporation]
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ILC705 Datasheet(HTML) 1 Page - Impala Linear Corporation

   
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The ILC705/ILC706/ILC707/ILC708 are low cost micro-
processor supervisory circuits that monitor power sup-
plies in microprocessor based systems. Circuit functions
include a watchdog timer, microprocessor reset, power
failure warning and a debounced manual reset input.
The ILC705 and ILC706 offer a watchdog timer function
while the ILC707 and ILC708 have an active high reset
output in addition to the active low reset output.
Supply voltage monitor levels of 4.65V and 4.4V are
available. The ILC705/ILC707 have a nominal reset
threshold level of 4.65V while the ILC706 and ILC708
have a 4.4V nominal reset threshold level. When the sup-
ply voltage drops below the respective reset threshold
level, RESET is asserted.
ILC705/706/707/708
mP Supervisory Circuit
Impala Linear Corporation
Impala Linear Corporation
1
(408) 574-3939
www.impalalinear.com
Sept 1999
ILC705-708 1.0
! 4.4V or 4.65V Precision Voltage Monitor
! 200ms Reset Pulse Width
! Debounced TTL/CMOS Compatible Manual Reset Input
! Watchdog Timer with 1.6 sec Timeout (ILC705/ILC706)
! Voltage Monitor for Early Power Fail Warning or Low
Battery Detect
! 8-Pin SOIC or DIP Package
! Computers
! Controllers
! Critical Microprocessor Power Monitoring
! Intelligent Instruments
! Portable Equipment
! Controllers
ILC705
ILC706
ILC707
ILC708
Top View
MR
PFO
VCC
2
1
8
6
WDI
PFI
RESET
GND
4
3
5
7
N Package - 8 Lead Plastic DIP Package
M Package - 8 Lead Plastic SOIC Package
2
1
8
6
4
3
5
7
WDO
MR
PFO
VCC
NC
PFI
RESET
GND
RESET
Part
Package
Temp. Range
ILC70_N
8-Lead PDIP
-40°C to +85°C
ILC70_M
8-Lead SOIC
-40°C to +85°C
ILC705
ILC706
µµP
VCC
+5 V (Regulated)
VCC
WDI
NMI
WDO
GND
PFI
I/O Line
MR
RESET
RESET
Manual
Reset
DC Voltage
(Unregulated)
Interrupt
PFO
Typical Circuit
Pin Package Configuration
General Description
Features
Applications
Ordering Information


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