S-1410 PDF даташит
Спецификация S-1410 изготовлена «Seiko Instruments» и имеет функцию, называемую «LOW CURRENT CONSUMPTION WATCHDOG TIMER». |
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Детали детали
Номер произв | S-1410 |
Описание | LOW CURRENT CONSUMPTION WATCHDOG TIMER |
Производители | Seiko Instruments |
логотип |
29 Pages
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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
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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.
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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 pin outputs the signal which is from the voltage detection circuit.
The watchdog mode is fixed to the window mode.
Seiko Instruments Inc.
3
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Номер в каталоге | Описание | Производители |
S-1410 | LOW CURRENT CONSUMPTION WATCHDOG TIMER | Seiko Instruments |
S-1411 | LOW CURRENT CONSUMPTION WATCHDOG TIMER | Seiko Instruments |
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