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PDF S-1410 Data sheet ( Hoja de datos )

Número de pieza S-1410
Descripción LOW CURRENT CONSUMPTION WATCHDOG TIMER
Fabricantes Seiko Instruments 
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No Preview Available ! S-1410 Hoja de datos, Descripción, Manual

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

1 page




S-1410 pdf
LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.1.0_01
S-1410/1411 Series
Pin Configuration
1. TMSOP-8
Top view
18
27
36
45
Figure 3
___
Table 3 S-1410 Series (Product with W / T pin)
Pin No.
1
Symbol
___
W
/ T*1
Description
Watchdog mode switching pin
2
CPOR
Reset time-out period adjustment pin
3
CWDT
Watchdog time adjustment pin
4
VSS
GND pin
5
WEN
Watchdog enable pin
________
6
WDO
Watchdog output pin
7 WDI Watchdog input pin
8
VDD
Voltage input pin
___
*1. W___ / T pin = "H": Time-out mode
W / T pin = "L": Window mode
Table 4
Pin No.
1
2
3
4
5
6
7
8
___
S-1411 Series (Product without W / T pin)
Symbol
_______
RST
Description
Reset output pin
CPOR
Reset time-out period adjustment pin
CWDT
Watchdog time adjustment pin
VSS
GND pin
WEN
________
WDO
Watchdog enable pin
Watchdog output pin
WDI Watchdog input pin
VDD
Voltage input pin
Seiko Instruments Inc.
5

5 Page





S-1410 arduino
LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.1.0_01
S-1410/1411 Series
VDD
CPOR
CWDT WDO
WDI
WEN
RST
VSS
A
VDD
CPOR
CWDT WDO
WDI
WEN
RST
A
VSS
Figure 12 Test Circuit 7
VDD
CPOR
CWDT WDO
WDI
WEN
RST
A
VSS
Figure 13 Test Circuit 8
VDD
CPOR
CWDT
WDO
WDI
WEN
W/T
VSS
+
V
Figure 14 Test Circuit 9
VDD
CPOR
CWDT
WDO
WDI
WEN
W/T
VSS
+
V
Figure 15 Test Circuit 10
VDD
CPOR
CWDT
WDO
WDI
WEN
W/T
VSS
A
Figure 16 Test Circuit 11
Figure 17 Test Circuit 12
Seiko Instruments Inc.
11

11 Page







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