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