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Watchdogs and Timers
PART
NUMBER
Manual
Reset
N
Y
Y
Y
N
Y
1.60000
1.00000
1.10000
1.00000
1.10000
1.80000
6.50000
5.50000
5.50000
5.50000
5.50000
5.50000
1.20000
0.64000
0.60000
0.50000
0.50000
0.03500
Reset Voltage
Threshold
(V)
4.8, 4.65, 3.168, 3.069, 2.88, 2.79, 2.4, 2.325, 1
2.195, 1.675, 1.585
4.63,4.38,4.0,3.08,2.93,2.63
4.63, 3.08, 2.93, 2.63
4.63, 3.08, 2.93, 2.63
VCC to Reset
Delay
(μs)
90
90
84
84
Reset Active
Timeout Period
(ms)
200
200
200
200
200
Package
TDFN-3×3-8L TDFN-2×2-8L
SOT-23-5
UTDFN-1.5×1.5-8L SOIC-8 MSOP-8
SOT-23-5
SOT-23-5
SOT-23-6 TDFN-2×2-6AL
ManualReset
Y N
Reset Voltage
Threshold
(V)
VCC to Reset
Delay
(μs)
84 90
Reset Active
Timeout Period
(ms)
200
Package
SGM820
SGM820
High-Accuracy Supervisory Circuit with Programmable Watchdog Timer
SGM823A
SGM823A
Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
SGM706B
SGM706B
8-Pin Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
SGM823
SGM823
5-Pin Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
SGM824
SGM824
Microprocessor Supervisory Circuit with Watchdog Timer
SGM821
SGM821
Nano-Power System Timer with Watchdog Function
N
Y
Y
Y
N
Y
1.6
1
1.1
1
1.1
1.8
6.5
5.5
5.5
5.5
5.5
5.5
1.2
0.64
0.6
0.5
0.5
0.035
4.8, 4.65, 3.168, 3.069, 2.88, 2.79, 2.4, 2.325, 1
2.195, 1.675, 1.585
4.63,4.38,4.0,3.08,2.93,2.63
4.63, 3.08, 2.93, 2.63
4.63, 3.08, 2.93, 2.63
90
90
84
84
200
200
200
200
200
TDFN-3×3-8L TDFN-2×2-8L
SOT-23-5
UTDFN-1.5×1.5-8L SOIC-8 MSOP-8
SOT-23-5
SOT-23-5
SOT-23-6 TDFN-2×2-6AL
全选
Manual
Reset
Y N
VCC (Min)(V)
VCC (Max)(V)
SupplyCurrent (μA)
Reset Voltage
Threshold
(V)
VCC to Reset
Delay
(μs)
84 90
Reset Active
Timeout Period
(ms)
200
Package