S-1410.pdf 데이터시트 (총 30 페이지) - 파일 다운로드 S-1410 데이타시트 다운로드

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S-1410/1411 Series
105°C OPERATION,
3.8 μA CURRENT CONSUMPTION WATCHDOG TIMER
WITH RESET FUNCTION
Rev.2.3_00
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
VDD = 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.
Application
Power supply monitoring and system monitoring in microcontroller mounted apparatus
Packages
TMSOP-8
HSNT-8(2030)
1

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105°C OPERATION, 3.8 μA CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
S-1410/1411 Series
Rev.2.3_00
Block Diagrams
1. S-1410 Series A / B / C Type
VDD
CWDT
WEN
WDI
W/T
Noise
filter
Noise
filter
Noise
filter
WDT circuit
VSS
Reference
voltage circuit
Voltage detection
circuit
Figure 1
CPOR
2. S-1410 Series D / E / F Type
VDD
CWDT
WDO
WEN
WDI
W/T
VSS
Noise
filter
Noise
filter
Noise
filter
Reference
voltage circuit
WDT circuit
Voltage detection
circuit
Figure 2
CPOR
WDO
2

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105°C OPERATION, 3.8 μA CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.2.3_00
S-1410/1411 Series
3. S-1410 Series G / H / I Type
VDD
CWDT
WEN
WDI
W/T
Noise
filter
Noise
filter
Noise
filter
WDT circuit
VSS
Reference
voltage circuit
Voltage detection
circuit
CPOR
4. S-1410 Series J / K / L Type
VDD
Figure 3
CWDT
WDO
WEN
WDI
W/T
VSS
Noise
filter
Noise
filter
Noise
filter
Reference
voltage circuit
WDT circuit
Voltage detection
circuit
Figure 4
CPOR
WDO
3

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105°C OPERATION, 3.8 μA CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
S-1410/1411 Series
Rev.2.3_00
5. S-1411 Series A / B / C Type
VDD
CWDT
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
VSS
Reference
voltage circuit
Voltage detection
circuit
CPOR
6. S-1411 Series D / E / F Type
VDD
Figure 5
CWDT
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
VSS
Reference
voltage circuit
Voltage detection
circuit
Figure 6
CPOR
4

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105°C OPERATION, 3.8 μA CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.2.3_00
S-1410/1411 Series
7. S-1411 Series G / H / I Type
VDD
CWDT
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
VSS
Reference
voltage circuit
Voltage detection
circuit
CPOR
8. S-1411 Series J / K / L Type
VDD
Figure 7
CWDT
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
VSS
Reference
voltage circuit
Voltage detection
circuit
Figure 8
CPOR
5