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S-1000 Schematic ( PDF Datasheet ) - Seiko Instruments

Teilenummer S-1000
Beschreibung Ultra Small Package High Precision Voltage Detector
Hersteller Seiko Instruments
Logo Seiko Instruments Logo 




Gesamt 30 Seiten
S-1000 Datasheet, Funktion
S-1000 Series
www.sii-ic.com
© Seiko Instruments Inc., 2004-2015
ULTRA-SMALL PACKAGE HIGH-PRECISION
VOLTAGE DETECTOR
Rev.3.1_00
The S-1000 series is a series of high-precision voltage detectors developed using CMOS process. The detection voltage is
fixed internally with an accuracy of ±1.0%. It operates with low current consumption of 350 nA typ. Two output forms, Nch
open-drain and CMOS output, are available. CMOS voltage detector, S-1000 Series is the most suitable for the portable
equipments with ultra low current consumption, high precision and corresponding to the small package.
Features
Ultra-low current consumption
High-precision detection voltage
Operating voltage range
Hysteresis characteristics
Detection voltage
Output form
Lead-free, Sn 100%, halogen-free*1
350 nA typ. (VDD = detection voltage + 1.5 V)
±1.0%
0.95 to 5.5 V
5% typ.
1.5 to 4.6 V (0.1 V step)
Nch open-drain output (Active “L”)
CMOS output (Active “L”)
*1. Refer to “Product Name Structure” for details.
Applications
Power monitor for microcomputers and reset for CPUs.
Power monitor for portable equipments such as cellular phones, digital still cameras and PDAs.
Constant voltage power monitor for cameras, video equipments and communication devices.
Packages
SC-82AB
SOT-23-5
SNT-4A
Seiko Instruments Inc.
1






S-1000 Datasheet, Funktion
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
Output Forms
Rev.3.1_00
1. Output forms in S-1000 series
Table 3
S-1000 series
Nch open-drain output products
(Active “L”)
“N” is the last letter of the product name.
e.g. S-1000N
CMOS output products
(Active “L”)
“C” is the last letter of the product name.
e.g. S-1000C
2. Output form and their usage
Usage
Different power supplies
Active “L” reset for CPUs
Active “H” reset for CPUs
Detection voltage change by resistor divider
Table 4
Nch open-drain output products
(Active “L”)
Yes
Yes
No
Yes
CMOS output products
(Active “L”)
No
Yes
No
No
Example for two power supplies
VDD1
VDD2
Example for one power supply
VDD
VDD
V/D
Nch
OUT
CPU
VSS
V/D
CMOS OUT
CPU
VSS
Figure 3
V/D
Nch
OUT
CPU
VSS
6 Seiko Instruments Inc.

6 Page









S-1000 pdf, datenblatt
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
Rev.3.1_00
Timing Chart
1. Nch open-drain output products
Hysteresis width (VHYS)
VDD
VSS
VDD
Release voltage (+VDET)
Detection voltage (VDET)
Minimum operating voltage
VSS
Output from the OUT pin
Figure 12
VDD
OUT
VSS
R
100 kΩ
V
2. CMOS output products
Hysteresis width (VHYS)
VDD
VDD
Release voltage (+VDET)
Detection voltage (VDET)
Minimum operating voltage
VSS
Output from the OUT pin
VDD
OUT
VSS
V
VSS
Remark For values of VDD less than minimum operating voltage, values of OUT terminal output is free in the shaded region.
Figure 13
12 Seiko Instruments Inc.

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