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ASM706PCPA

Description
2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
CategoryPower/power management    The power supply circuit   
File Size266KB,16 Pages
ManufacturerALSC [Alliance Semiconductor Corporation]
Download Datasheet Parametric View All

ASM706PCPA Overview

2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8

ASM706PCPA Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerALSC [Alliance Semiconductor Corporation]
Parts packaging codeDIP
package instructionDIP, DIP8,.3
Contacts8
Reach Compliance Codeunknow
ECCN codeEAR99
Other featuresRESET THRESHOLD VOLTAGE IS 2.63V; MANUAL RESET INPUT
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDIP-T8
JESD-609 codee0
length9.59 mm
Number of channels2
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP8,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply1.1/5.5 V
Certification statusNot Qualified
Maximum seat height5.33 mm
Maximum supply current (Isup)0.14 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.1 V
Nominal supply voltage (Vsup)2.7 V
surface mountNO
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.62 mm
ASM706 P/ R/ S/ T/ J
ASM708 R/ S/ T/ J
October 2003
rev 1.0
3/3.3/4.0 V µP Supervisor Circuits
Features
Precision power supply minotor
•2.63V threshold (ASM706P/R, ASM708R)
•2.93V threshold (ASM706S, ASM708S)
•3.08V threshold (ASM706T, ASM708T)
•New 4.00V threshold (ASM706J , ASM708J)
Debounced manual reset input
Auxiliary voltage monitor comparator
•1.25V threshold
•Battery monitor / auxiliary supply monitor
Watchdog timer (ASM706P/R/S/T/J)
•Watchdog can be disabled by floating WDI
200ms reset time delay
Three reset signal options
•Active HIGH: ASM706P
•Active LOW: ASM706R/S/T/J
•Active HIGH and LOW outputs: ASM708R/S/T/J
DIP, SO and MicroSO packages
Guaranteed RESET assertion to V
CC
= 1.1V
General Description
The ASM706P/R/S/T/J and ASM708R/S/T/J are cost effective
CMOS supervisor circuits that monitor power-supply and
battery voltage level, and
µP/µC
operation.
The family offers several functional options. Each device
generates a reset signal during power-up, power-down and
during brownout conditions. A reset is generated when the
supply drops below 2.63V (ASM706P/R, ASM708R), 2.93V
(ASM706S, ASM708S), 3.08V (ASM706T, ASM708T) or 4.00
(ASM706J, ASM708J). In addition, the ASM706P/R/S/T/J
feature a 1.6 second watchdog timer. The watchdog timer
output will trigger a reset if connected to MR. Floating the WDI
input pin disables the watchdog timer.
The ASM708R/S/T/J have both active-HIGH and active-LOW
reset outputs but no watchdog function. The ASM706P has the
same pin-out and functions as the ASM706R but has an active-
HIGH reset output.
A versatile power-fail circuit, useful in checking battery levels
and non-5V supplies, has a 1.25V threshold. All devices have a
manual reset input. All devices are available in 8-pin DIP, SO
and the compact MicroSO packages. The MicroSO package
requires 50% less PC board area than the conventional SO
package.
Applications
Computers and embedded controllers
CTI applications
Automotive systems
Portable/Battery-operated systems
Intelligent instruments
Wireless communication systems
PDAs and hand-held equipment
Safety systems
Typical Operating Circuit
Unregulated DC
+3.3V Regulator
V
CC
V
CC
PFI
ASM706 R/S/T
ASM708 R/S/T
(ASM706 P)
µP
R
1
RESET
(RESET)
WDI
WDO
PFO
RESET
(RESET)
I/O LINE
NMI
INTERRUPT
R
2
MR
Alliance Semiconductor
2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com
Notice: The information in this document is subject to change without notice
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