FM809JP3X FAIRCHILD [Fairchild Semiconductor], FM809JP3X Datasheet

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FM809JP3X

Manufacturer Part Number
FM809JP3X
Description
3-Pin UC Supervisor Circuits
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
©2005 Fairchild Semiconductor Corporation
FM809/810 Rev. G
FM809/810
3-Pin µC Supervisor Circuits
General Description
The FM809/810 are supervisor circuits that monitor power
supply or other system voltages and issue reset pulse whenever
the voltage being monitored is out of tolerance. Once asserted,
the reset pulse is guaranteed to be valid for a minimum of
140ms (256ms typical). FM809xx offers active low push-pull
type of reset while FM810xx offers active high push-pull type.
Several threshold voltages are offered to accommodate 5.0V,
3.3V, 3.0V and 2.7V system voltages.
The low supply current (typically 2 µA)recommends FM809/810
devices for portable designs or wherever power saving is
primary.
These devices are offered in space saving 3-pin SOT23 and
SC70 packages.
Features
■ V
■ RESET (FM809) or RESET (FM810) output
Typical Operating Circuit
Connection Diagram
TH
voltages of 4.63V, 4.38V, 4.00V, 3.08V, 2.93V and 2.63V
GND
V
CC
RESET (809) or
SOT23-3 & SC70-3Packages
RESET (810)
FM809
GND
RESET
FM809/810
1
1
2
■ 140ms power-on RESET delay (minimum)
■ RESET operation guaranteed to 1.0V
■ Supply current only 2µA
■ No external components
■ Operating Range
■ SOT23-3 and SC70-3 packages
Applications
■ Microcontrollers and Microprocessors
■ Appliances
■ Power-Supply Monitoring
■ Portable Equipment
■ Automotive Systems
– -40°C to +105°C (SOT23)
– -40°C to +85°C (SC70)
3
RESET
I/P
V
CC
GND
V
µC
CC
www.fairchildsemi.com
August 2005

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FM809JP3X Summary of contents

Page 1

FM809/810 3-Pin µC Supervisor Circuits General Description The FM809/810 are supervisor circuits that monitor power supply or other system voltages and issue reset pulse whenever the voltage being monitored is out of tolerance. Once asserted, the reset pulse is guaranteed ...

Page 2

Absolute Maximum Ratings Voltage on any terminal relative to GND V CC RESET, RESET Input Current Output Current: RESET, RESET These are stress ratings only, and functional operation is not implied for these levels or beyond. Exposure to Absolute Maximum ...

Page 3

Absolute Maximum Ratings Voltage on any terminal relative to GND V CC RESET, RESET Input Current Output Current: RESET, RESET These are stress ratings only, and functional operation is not implied for these levels or beyond. Exposure to Absolute Maximum ...

Page 4

Pin Descriptions Pin Number with overbar, FM809 (RESET); without, FM810 (RESET). Circuit Timing (e.g.: FM809 GND GND When operating properly with 5V in (for example about ...

Page 5

... FM809SS3X 09S FM809RS3X 09R FM809LP3X VLY FM809MP3X VMY FM809JP3X VJY FM809TP3X VTY FM809SP3X VSY FM809RP3X VRY Note 4: Devices listed above feature 250ms typical Reset Pulse width. Consult Fairchild sales for other reset pulse width options. Note 5: For the SC70 package, the third character of the top marking, identified as “Y” in the above table, identifies wafer lot code. ...

Page 6

Ordering Information (FM810) Part Number Top Marking FM810LS3X 10L FM810MS3X 10M FM810JS3X 10J FM810TS3X 10T FM810SS3X 10S FM810RS3X 10R FM810LP3X ZLY FM810MP3X ZMY FM810JP3X ZJY FM810TP3X ZTY FM810SP3X ZSY FM810RP3X ZRY Note 6: Devices listed above feature 250ms typical Reset ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 0.021 0.015 0.120 0.105 0.079 0.071 FM809/810 Rev. G 0.055 0.098 0.047 0.083 0.0059 0.040 0.0035 0.031 0.010 0.005 0.004 0.001 PKG C L 0.76 0.95 LAND PATTERN RECOMMENDATION SOT-23 Package Dimensions FS ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted .026 (.65) FM809/810 Rev. G .087 (2.2) .071 (1.8) .043 (1.1) .032 (.80) .004 (.10) .016 (.40) .012 (.30) .052 (1.3) 0.65 0.65 0.5 Land Pattern Recommendation SC70 Package Dimensions 8 .053 (1.35) ...

Page 9

TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. FAST  ACEx™ ActiveArray™ FASTr™ Bottomless™ FPS™ Build it Now™ FRFET™ ...

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