S-1410/1411 Series
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© ABLIC Inc., 2015-2018
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:
*1
•
Watchdog mode switching function :
•
Watchdog input edge is selectable:
•
Product type is selectable:
2.0 V to 5.0 V, selectable in 0.1 V step
±1.5%
V
DD
= 0.9 V to 6.0 V
5% typ.
3.8
μA
typ.
14.5 ms typ. (C
POR
= 2200 pF)
Enable, Disable
V
DD
= 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
•
Operation temperature range:
•
Lead-free (Sn 100%), halogen-free
*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
105°C OPERATION, 3.8
μA
CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.2.3
_00
S-1410/1411 Series
Block Diagrams
1.
S-1410 Series A / B / C Type
CWDT
VDD
WEN
WDI
W/T
Noise
filter
Noise
filter
Noise
filter
Voltage detection
circuit
WDT circuit
WDO
Reference
voltage circuit
VSS
CPOR
Figure 1
2.
S-1410 Series D / E / F Type
CWDT
VDD
WEN
WDI
W/T
Noise
filter
Noise
filter
Noise
filter
Voltage detection
circuit
WDT circuit
WDO
Reference
voltage circuit
VSS
CPOR
Figure 2
2
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
CWDT
VDD
WEN
WDI
W/T
Noise
filter
Noise
filter
Noise
filter
Voltage detection
circuit
WDT circuit
WDO
Reference
voltage circuit
VSS
CPOR
Figure 3
4.
S-1410 Series J / K / L Type
CWDT
VDD
WEN
WDI
W/T
Noise
filter
Noise
filter
Noise
filter
Voltage detection
circuit
WDT circuit
WDO
Reference
voltage circuit
VSS
CPOR
Figure 4
3
105°C OPERATION, 3.8
μA
CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.2.3
_00
S-1410/1411 Series
5.
S-1411 Series A / B / C Type
CWDT
VDD
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
Reference
voltage circuit
VSS
Voltage detection
circuit
CPOR
Figure 5
6.
S-1411 Series D / E / F Type
CWDT
VDD
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
Reference
voltage circuit
VSS
Voltage detection
circuit
CPOR
Figure 6
4
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
CWDT
VDD
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
Reference
voltage circuit
VSS
Voltage detection
circuit
CPOR
Figure 7
8.
S-1411 Series J / K / L Type
CWDT
VDD
WEN
WDI
Noise
filter
Noise
filter
WDT circuit
RST
WDO
Reference
voltage circuit
VSS
Voltage detection
circuit
CPOR
Figure 8
5
