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S-801 Series
ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
www.sii-ic.com
WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
© Seiko Instruments Inc., 2000-2015
Rev.4.1_00
The S-801 Series is a series of high-precision voltage detectors with a built-in delay time generator of fixed time
developed using CMOS process. The detection voltage is fixed internally, with an accuracy of ±2.0 %. Internal
oscillator and counter timer can delay the release signal without external parts. Three delay times 50 ms, 100 ms,
and 200 ms are available. Two output forms, Nch open-drain and CMOS output, are available.
Features
Ultra-low current consumption
1.3 μA typ. (at VDD=3.5 V)
High-precision detection voltage ±2.0 %
Hysteresis characteristics
60 mV typ.
Detection voltage
2.2 V to 6.0 V (0.1 V step)
Three delay times
A type 50 ms typ.
B type 100 ms typ.
C type 200 ms typ.
ON/OFF switching function of delay time (DS pin)
Operating voltage range
0.95 V to 10.0 V
Output forms
Nch open-drain output (Active Low)
CMOS output (Active Low)
Lead-free, Sn 100%, halogen-free*1
*1. Refer to “Product Name Structure” for details.
Applications
Power monitor for portable equipment such as notebook computers, digital still cameras, PDA, and
cellular phones.
Constant voltage power monitor for cameras, video equipment and communication devices.
Power monitor for microcomputers and reset for CPUs.
Packages
SOT-23-5
SNT-4A
Seiko Instruments Inc.
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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
S-801 Series
Rev.4.1_00
Block Diagrams
1. Nch Open-drain Output Products
VDD
VSS
*1
VREF
Delay circuit
+ Oscillator
counter
timer
*1
*1. Parasitic diode
DS
Figure 1
2. CMOS Output Products
VDD
VSS
*1
VREF
Delay circuit
+
Oscillator
counter
timer
*1
*1. Parasitic diode
DS
Figure 2
OUT
*1
*1
OUT
*1
2 Seiko Instruments Inc.

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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
Rev.4.1_00
S-801 Series
Product Name Structure
The detection voltage, delay time, output form and packages for S-801 Series can be selected at the user's
request. Refer to the “1. Product name” for the construction of the product name, “2. Packages
regarding the package drawings and “3. Product Name List” for the full product names.
1. Product Name
1-1. SOT-23-5
S-801xx x x MC - xxx T2 x
Environmental code
U: Lead-free (Sn 100%), halogen-free
G: Lead-free (for details, please contact our sales office)
IC direction in tape specifications*1
Product code*2
Package code
Output form
N: Nch open-drain output (Active low)
L: CMOS output (Active low)
Delay time
A: 50 ms typ.
B: 100 ms typ.
C: 200 ms typ.
Detection voltage value
22 to 60
(e.g. When the detection voltage is 2.2 V,
it is expressed as 22.)
*1. Refer to the taping specifications at the end this book.
*2. Refer to the Table 2 in the “3. Product name list”.
Seiko Instruments Inc.
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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
S-801 Series
Rev.4.1_00
1-2. SNT-4A
S-801xx x x PF - xxx TF U
Environmental code
U: Lead-free (Sn 100%), halogen-free
IC direction in tape specifications*1
Product code*2
Package code
Output form
N: Nch open-drain output (Active low)
L: CMOS output (Active low)
Delay time
A: 50 ms typ.
B: 100 ms typ.
C: 200 ms typ.
Detection voltage value
22 to 60
(e.g. When the detection voltage is 2.2 V,
it is expressed as 22.)
*1. Refer to the taping specifications at the end this book.
*2. Refer to the Table 2 in the “3. Product name list”.
2. Packages
Package name
SOT-23-5
SNT-4A
Package
MP005-A-P-SD
PF004-A-P-SD
Drawing code
Tape
Reel
MP005-A-C-SD MP005-A-R-SD
PF004-A-C-SD PF004-A-R-SD
Land
PF004-A-L-SD
4 Seiko Instruments Inc.

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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
Rev.4.1_00
S-801 Series
3. Product Name List
3-1. SOT-23-5
Detection voltage range
2.2 V ±2.0%
2.3 V ±2.0%
2.4 V ±2.0%
2.5 V ±2.0%
2.6 V ±2.0%
2.7 V ±2.0%
2.8 V ±2.0%
2.9 V ±2.0%
3.0 V ±2.0%
3.1 V ±2.0%
3.2 V ±2.0%
3.3 V ±2.0%
3.4 V ±2.0%
Delay time
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
50 ms typ.
100 ms typ.
200 ms typ.
Table 1 (1/3)
Nch open-drain output products
S-80122ANMC-JCHT2x
S-80122BNMC-JGHT2x
S-80122CNMC-JKHT2x
S-80123ANMC-JCIT2x
S-80123BNMC-JGIT2x
S-80123CNMC-JKIT2x
S-80124ANMC-JCJT2x
S-80124BNMC-JGJT2x
S-80124CNMC-JKJT2x
S-80125ANMC-JCKT2x
S-80125BNMC-JGKT2x
S-80125CNMC-JKKT2x
S-80126ANMC-JCLT2x
S-80126BNMC-JGLT2x
S-80126CNMC-JKLT2x
S-80127ANMC-JCMT2x
S-80127BNMC-JGMT2x
S-80127CNMC-JKMT2x
S-80128ANMC-JCNT2x
S-80128BNMC-JGNT2x
S-80128CNMC-JKNT2x
S-80129ANMC-JCOT2x
S-80129BNMC-JGOT2x
S-80129CNMC-JKOT2x
S-80130ANMC-JCPT2x
S-80130BNMC-JGPT2x
S-80130CNMC-JKPT2x
S-80131ANMC-JCQT2x
S-80131BNMC-JGQT2x
S-80131CNMC-JKQT2x
S-80132ANMC-JCRT2x
S-80132BNMC-JGRT2x
S-80132CNMC-JKRT2x
S-80133ANMC-JCST2x
S-80133BNMC-JGST2x
S-80133CNMC-JKST2x
S-80134ANMC-JCTT2x
S-80134BNMC-JGTT2x
S-80134CNMC-JKTT2x
CMOS output products
S-80122ALMC-JAHT2x
S-80122BLMC-JEHT2x
S-80122CLMC-JIHT2x
S-80123ALMC-JAIT2x
S-80123BLMC-JEIT2x
S-80123CLMC-JIIT2x
S-80124ALMC-JAJT2x
S-80124BLMC-JEJT2x
S-80124CLMC-JIJT2x
S-80125ALMC-JAKT2x
S-80125BLMC-JEKT2x
S-80125CLMC-JIKT2x
S-80126ALMC-JALT2x
S-80126BLMC-JELT2x
S-80126CLMC-JILT2x
S-80127ALMC-JAMT2x
S-80127BLMC-JEMT2x
S-80127CLMC-JIMT2x
S-80128ALMC-JANT2x
S-80128BLMC-JENT2x
S-80128CLMC-JINT2x
S-80129ALMC-JAOT2x
S-80129BLMC-JEOT2x
S-80129CLMC-JIOT2x
S-80130ALMC-JAPT2x
S-80130BLMC-JEPT2x
S-80130CLMC-JIPT2x
S-80131ALMC-JAQT2x
S-80131BLMC-JEQT2x
S-80131CLMC-JIQT2x
S-80132ALMC-JART2x
S-80132BLMC-JERT2x
S-80132CLMC-JIRT2x
S-80133ALMC-JAST2x
S-80133BLMC-JEST2x
S-80133CLMC-JIST2x
S-80134ALMC-JATT2x
S-80134BLMC-JETT2x
S-80134CLMC-JITT2x
Seiko Instruments Inc.
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