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S-1410 Dataheets PDF



Part Number S-1410
Manufacturers Seiko Instruments
Logo Seiko Instruments
Description LOW CURRENT CONSUMPTION WATCHDOG TIMER
Datasheet S-1410 DatasheetS-1410 Datasheet (PDF)

S-1410/1411 Series www.sii-ic.com © Seiko Instruments Inc., 2015 LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION Rev.1.0_01 The S-1410/1411 Series is a watchdog timer developed using CMOS technology, which can operate with low current consumption of 3.8 μA typ. The reset function and the low voltage detection function are available.  Features • Detection voltage: • Detection voltage accuracy: • Input voltage: • Hysteresis width: • Current consumption: • Reset time-out period: • .

  S-1410   S-1410



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S-1410/1411 Series www.sii-ic.com © Seiko Instruments Inc., 2015 LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION Rev.1.0_01 The S-1410/1411 Series is a watchdog timer developed using CMOS technology, which can operate with low current consumption of 3.8 μA typ. The reset function and the low voltage detection function are available.  Features • Detection voltage: • Detection voltage accuracy: • Input voltage: • Hysteresis width: • Current consumption: • Reset time-out period: • Watchdog operation is switchable: • Watchdog operation voltage range: • Watchdog mode switching function*1: • Watchdog input edge is selectable: • Product type is selectable: • Operation temperature range: • Lead-free (Sn 100%), halogen-free 2.0 V to 5.0 V, selectable in 0.1 V step ±1.5% VDD = 0.9 V to 6.0 V 5% typ. 3.8 μA typ. 14.5 ms typ. (CPOR = 2200 pF) Enable, Disable 2.5 V to 6.0 V Time-out mode, window mode Rising edge, falling edge, both rising and falling edges S-1410 Series___ ________ (Product with W / T pin (Output: WDO pin)) S-1411 Series ___ _______ ________ (Product without W / T pin (Output: RST pin, WDO pin)) Ta = −40°C to +105°C *1. The S-1411 Series is fixed to the window mode.  Applications • Power supply monitoring of microcontroller mounted apparatus and system monitoring  Package • TMSOP-8 Seiko Instruments Inc. 1 LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION S-1410/1411 Series Rev.1.0_01  Block Diagrams ____ 1. S-1410 Series (Product with W / T pin) VDD WEN WDI W/T Noise filter Noise filter Noise filter CWDT WDT circuit VSS Reference voltage circuit Voltage detection circuit CPOR Figure 1 ____ 2. S-1411 Series (Product without W / T pin) CWDT VDD WDO WEN WDI Noise filter Noise filter WDT circuit RST WDO VSS Reference voltage circuit Voltage detection circuit CPOR Figure 2 2 Seiko Instruments Inc. LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION Rev.1.0_01 S-1410/1411 Series  Product Name Structure Users can select the product types, detection voltage for the S-1410/1411 Series. Refer to "1. Product name" regarding the contents of product name, "2. Product type list" regarding the product types, "3. Package" regarding the package drawings. 1. Product name S-141 x x xx - K8T2 U 4 Environmental code U: Lead-free (Sn 100%), halogen-free Package abbreviation and IC packing specifications*1 K8T2: TMSOP-8, Tape Detection voltage 20 to 50 (e.g., when the detection voltage is 2.0 V, it is expressed as 20.) Product type 1*2 A to L Product type 2*3 0, 1 *1. Refer to the tape drawing. *2. Refer to "2. Product type list"_.__ *3. 0: S-14_1__0___S__eries (Product with W / T pin) The WDO pin outputs the signals which are from the watchdog timer circuit and the voltage detection circuit. ___ 1: S-14_1__1__S__e_ ries (Product without W / T pin) The WDO pin outputs the signals which are from the watchdog timer circuit and the voltage detection circui_t_._____ The RST .


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