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ASM6387XS45TD6F

Description
Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, ROHS COMPLIANT, SC-70, 4 PIN
CategoryPower/power management    The power supply circuit   
File Size151KB,15 Pages
ManufacturerALSC [Alliance Semiconductor Corporation]
Environmental Compliance
Download Datasheet Parametric View All

ASM6387XS45TD6F Overview

Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, ROHS COMPLIANT, SC-70, 4 PIN

ASM6387XS45TD6F Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeSOIC
package instructionTSOP,
Contacts4
Reach Compliance Codeunknown
ECCN codeEAR99
Other featuresRESET THRESHOLD VOLTAGE IS 4.50V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G4
length2.05 mm
Number of channels1
Number of functions1
Number of terminals4
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
surface mountYES
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch1.3 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.25 mm
Base Number Matches1
September 2005
rev
1.5
ASM6381 - ASM6390
Single/Dual Low Voltage, Low Power Microcontroller Power Supply Supervisor
General Description
The ASM6381 - ASM6390 are cost effective +1.8V to +5V
power supply supervisor circuits optimized for low-power
microprocessor (µP), microcontroller (µC) and digital systems.
They provide a reset output during power-up, power-down and
brown-out conditions. They provide excellent reliability by
eliminating external components and adjustments.
A reset signal is issued if the power supply voltage drops below
a preset reset threshold and is asserted for a minimum reset
timeout period after the supply has risen above the reset
threshold. The reset timeout periods are available from 1ms to
1200ms. The ASM6381, ASM6384 and ASM6387 have a push-
pull active-low reset output. The ASM6382, ASM6385 and
ASM6388 have a push-pull active-high reset output, and the
ASM6383, ASM6386, ASM6389 and ASM6390 have an open-
drain active-low reset output. The ASM6384, ASM6385 and
ASM6386 also feature a manual reset input.
The ASM6387, ASM6388, ASM6389 have an auxiliary input
RESET IN for monitoring a second voltage. The ASM6390
offers a manual reset input with a longer V
CC
reset timeout
period and a shorter manual reset timeout.
The reset output state is guaranteed to be in the correct logic
state for V
CC
down to 1V. The reset comparator is designed to
ignore fast transients on V
CC
.
• Factory-set Reset Threshold Voltages ranging from +1.58V
to 4.63V.
• Monitor 1.8V to 5V supplies.
• Push-Pull Active-low reset valid with 1.0V supply.
• Small 3-pin SC-70, 4-pin SC-70, 3-pin and 5-pin SOT23
packages.
• No external components.
• Specified over full temperature range: -40°C to 125°C
• Seven Reset Timeout periods: 1ms, 20ms, 140ms, 280ms,
560ms, 1120ms, 1200ms (min).
• Low power consumption: 3µA at +1.8V.
• Auxiliary RESET IN
• Manual Reset input.
Low supply current makes the ASM6381 - ASM6390 ideal for
use in portable and battery operated equipments. The
ASM6381 - ASM6383 are available in a compact, industry
standard 3-pin SC70 package and the ASM6384 - ASM6390
are available in a compact, industry standard 4-pin SC70
package. The ASM63811, ASM63812,
3-pin and 5-pin SOT23 package.
Reset thresholds are available from +1.58V to 4.63V in
approximately 100mV increments to support +1.8V to +5V
systems.
ASM63832 are
available in 3-pin SOT23 package. ASM63813 is available in
Features:
Typical Operating Circuit
Applications
Embedded controllers
Portable/Battery operated systems
Intelligent instruments
Wireless communication systems
PDAs and handheld equipment
Computers
MR
R2
V
CC
R1
V
CC
RESET IN
V
CC
µP
RESET
Input
(RESET)
RESET
(RESET)
GND
GND
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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