S-1410/1411 Series

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LOW CURRENT CONSUMPTION WATCHDOG TIMER

WITH RESET FUNCTION

© Seiko Instruments Inc., 2015

Seiko Instruments Inc.

1

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:

2.0 V to 5.0 V, selectable in 0.1 V step

• Detection voltage accuracy:

±1.5%

• Input voltage:

• Hysteresis width:

5% typ.

• Current consumption:

3.8

μA typ.

• Reset time-out period:

• Watchdog operation is switchable:

Enable, Disable

• Watchdog operation voltage range:

2.5 V to 6.0 V

• Watchdog mode switching function

Time-out mode, window mode

• Watchdog input edge is selectable:

Rising edge, falling edge, both rising and falling edges

• Product type is selectable:

S-1410 Series

(Product with W

___

/ T pin (Output: WDO

________

pin))

S-1411 Series

(Product without W

___

/ T pin (Output: RST

_______

pin, WDO

________

pin))

• Operation temperature range:

Ta =

−40°C to +105°C

• Lead-free (Sn 100%), halogen-free

*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