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S-1000 Series
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© 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

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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
Rev.3.1_00
Block Diagrams
1. Nch open-drain output products
VDD
*1
+
VSS
*1. Parasitic diode
VREF
Figure 1
OUT
*1
2. CMOS output products
VDD
*1
+
*1. Parasitic diode
VSS
VREF
Figure 2
*1
OUT
*1
2 Seiko Instruments Inc.

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Rev.3.1_00
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
Product Name Structure
The detection voltage, output form and packages for S-1000 series can be selected at the user's request. Refer to the “1.
Product name” for the construction of the product name, “2. Package” regarding the package drawings and “3. Product
name list” for the full product names.
1. Product name
1. 1 SC-82AB, SOT-23-5
S-1000 x xx - xxxx x
Environmental code
U: Lead-free (Sn 100%), halogen-free
G: Lead-free (for details, please contact our sales office)
Package name (abbreviation) and packing specifications*1
N4T1: SC-82AB, tape
M5T1: SOT-23-5, tape
Detection voltage value
15 ~ 46
(e.g. When the detection voltage is 1.5 V, it is expressed as 15.)
Output form
N: Nch open-drain output (Active “L”)
C: CMOS output (Active “L”)
*1. Refer to the taping specifications at the end of this book.
1. 2 SNT-4A
S-1000 x xx - I4T1 U
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package name (abbreviation) and packing specifications*1
I4T1: SNT-4A, tape
Detection voltage value
15 ~ 46
(e.g. When the detection voltage is 1.5 V, it is expressed as 15.)
Output form
N: Nch open-drain output (Active “L”)
C: CMOS output (Active “L”)
*1. Refer to the taping specifications at the end of this book.
2. Packages
Package name
SC-82AB
SOT-23-5
SNT-4A
Package
NP004-A-P-SD
MP005-A-P-SD
PF004-A-P-SD
Drawing code
Tape
Reel
NP004-A-C-SD
NP004-A-C-S1
NP004-A-R-SD
MP005-A-C-SD
MP005-A-R-SD
PF004-A-C-SD
PF004-A-R-SD
Land
PF004-A-L-SD
Seiko Instruments Inc.
3