imp809teur-t A1 PROs co., Ltd., imp809teur-t Datasheet

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imp809teur-t

Manufacturer Part Number
imp809teur-t
Description
3-pin Microcontroller Power Supply Supervisor
Manufacturer
A1 PROs co., Ltd.
Datasheet
1.IMP809TEUR-T.pdf (7 pages)

Available stocks

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Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
IMP809TEUR-T
Manufacturer:
EXAR
Quantity:
22 920
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
IMP809TEUR-T
Manufacturer:
IMP
Quantity:
20 000
3-Pin Microcontroller
Power Supply Supervisor
The IMP809/IMP810 are 3.0V, 3.3V and 5.0V power supply supervisor cir-
cuits optimized for low-power microprocessor (µP), microcontroller (µC)
and digital systems. The IMP809/810 are improved drop-in replacements
for the Maxim MAX809/810 and feature 60% lower supply current.
A reset signal is issued if the power supply voltage drops below a preset
reset threshold and is asserted for at least 140ms after the supply has
risen above the reset threshold. The IMP809 has an active-low RESET
output that is guaranteed to be in the correct state for V
The IMP810 has an active-high RESET output. The reset comparator is
designed to ignore fast transients on V
Low supply current makes the IMP809/IMP810 ideal for use in portable
and battery operated equipment. The IMP809/IMP810 are available in a
compact 3-pin SOT23 package.
Six voltage thresholds are available to support 3V to 5V systems:
IMP, Inc.
P
Block Diagrams
OWER
V CC
M
(IMP810)
ANAGEMENT
IMP809
GND
V CC
(RESET)
RESET
Suffix
M
Reset Threshold
R
L
T
S
J
CC
Voltage (V)
.
4.63
4.38
4.00
3.08
2.93
2.63
RESET
Input
GND
V CC
P
CC
809/10_01.eps
down to 1.1V.
San Jose, CA
IMP809, IMP8
IMP809, IMP8
Embedded controllers
Battery operated systems
Intelligent instruments
Wireless communication systems
PDAs and handheld equipment
Improved Maxim MAX809/MAX810 replacement
— Lower supply current…6µA
— 80% lower maximum supply current
Monitor 5V, 3.3V and 3V supplies
140ms min. reset pulse width
Active-low reset valid with 1.1V supply
(IMP809)
Small 3-pin SOT-23 package
No external components
Specified over full temperature range
— – 40°C to 105°C
Key Features
408-432-9100/www.impweb.com
Applications
1
1
0
0

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imp809teur-t Summary of contents

Page 1

P M OWER ANAGEMENT 3-Pin Microcontroller Power Supply Supervisor The IMP809/IMP810 are 3.0V, 3.3V and 5.0V power supply supervisor cir- cuits optimized for low-power microprocessor (µP), microcontroller (µC) and digital systems. The IMP809/810 are improved drop-in replacements for the Maxim ...

Page 2

... RESET 2 809/10_02.eps Ordering Information 1 Part Number Reset Threshold (V) IMP809 Active LOW Reset IMP809LEUR-T IMP809MEUR-T IMP809JEUR-T IMP809TEUR-T IMP809SEUR-T IMP809REUR-T IMP810 Active HIGH Reset IMP810LEUR-T IMP810MEUR-T IMP810JEUR-T IMP810TEUR-T IMP810SEUR-T IMP810REUR-T Notes: 1. Tape and Reel packaging is indicated by the -T designation. 2. Devices may also be marked with full part number: 809L, 810M etc. XX refers to lot. ...

Page 3

Pin Terminal Voltage with Respect to Ground ...

Page 4

Pin Descriptions Pin Number Name 1 GND 2 RESET (IMP809) 2 RESET (IMP810 Detailed Descriptions Reset Timing The reset signal is asserted–LOW for the IMP809 and HIGH for the IMP810–when the V signal falls below the threshold ...

Page 5

Negative V Transients CC The IMP809/810 protect µPs from brownouts and low V duration transients of 100mV amplitude and 20µs or less duration typically do not cause a false RESET. Valid Reset with V under 1. ensure logic ...

Page 6

Package Dimensions Plastic SOT-23 (3-Pin Min A 0.031 A1 0.004 H B 0.015 C 0.003 D 0.110 E 0.047 e 0.035 e1 0.070 H 0.083 a L 0.027 REF S ...

Page 7

IMP, Inc. Corporate Headquarters 2830 N. First Street San Jose, CA 95134-2071 Tel: 408-432-9100 Tel: 800-438-3722 Fax: 408-434-0335 Fax-on-Demand: 1-800-249-1614 (USA) Fax-on-Demand: 1-303-575-6156 (International) e-mail: info@impinc.com http://www.impweb.com The IMP logo is a registered trademark of IMP, Inc. All other company ...

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