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Maxim > 方案 > 打印机与传真机

看门狗

数据资料
显示 标题/型号 关键优势
QV  PDF 单/双/三电压微处理器监控电路,带有独立的看门狗输出
MAX6730A, MAX6731A, MAX6732A, MAX6733A, MAX6734A, MAX6735A

单/双/三电压µP监控电路,具有独立的看门狗输出,可监视低至0.63V的电压
QV  PDF 单/双/三电压微处理器监控电路,带有独立的看门狗输出
MAX6730, MAX6731, MAX6732, MAX6733, MAX6734, MAX6735

单/双/三电压µP监控电路,具有独立的看门狗输出,可监视低至0.63V的电压
QV  PDF 微处理器复位电路,提供电容可调的复位/看门狗延迟时间
MAX6746, MAX6747, MAX6748, MAX6749, MAX6750, MAX6751, MAX6752, MAX6753




Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Industry Qualified Package Operating Temp. Range (°C)
MAX6730  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s
Input (WDI)
Input/Output (WDI/WDO)
Extended Setup Period
1s to 2s
>2s
Manual Reset 2.5 37  -  SOT-23/6 -40 to +85
0 to +70
MAX6731  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s
Input (WDI)
Input/Output (WDI/WDO)
Extended Setup Period
1s to 2s
>2s
Manual Reset 2.5 37  -  SOT-23/6 -40 to +85
0 to +70
MAX6746  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
1s to 2s
<1s
>2s
Adjustable
Manual Reset 2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
MAX6747  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
1s to 2s
<1s
>2s
Adjustable
Manual Reset 2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
MAX6748  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
1s to 2s
<1s
>2s
Adjustable
Adjustable Reset Input 2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
MAX6749  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
1s to 2s
<1s
>2s
Adjustable
Adjustable Reset Input 2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
MAX6752  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
Windowed
1s to 2s
<1s
>2s
Adjustable
 -  2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
MAX6753  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
Windowed
1s to 2s
<1s
>2s
Adjustable
 -  2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
See All Supervisors (1 Monitored Voltage) (268)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Industry Qualified Package Operating Temp. Range (°C)
MAX6732  Factory Fixed 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s
Input (WDI)
Input/Output (WDI/WDO)
Extended Setup Period
1s to 2s
>2s
 -  2.5 37  -  SOT-23/6 -40 to +85
0 to +70
MAX6733  Factory Fixed 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s
Input (WDI)
Input/Output (WDI/WDO)
Extended Setup Period
1s to 2s
>2s
 -  2.5 37  -  SOT-23/6 -40 to +85
0 to +70
MAX6750  Factory Fixed
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
1s to 2s
<1s
>2s
Adjustable
Adjustable Reset Input 2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
MAX6751  Factory Fixed
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
<1ms
>1s
Adjustable
Input (WDI)
Cap Adjustable
1s to 2s
<1s
>2s
Adjustable
Adjustable Reset Input 2 10 Automotive - General SOT-23/8 -40 to +125
-40 to +85
0 to +70
See All Supervisors (2 Monitored Voltages) (70)

Key Specifications:   Supervisors (3 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Package Operating Temp. Range (°C)
MAX6734  Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain 15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s
Input (WDI)
Input/Output (WDI/WDO)
Extended Setup Period
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
2.5 37 SOT-23/8 -40 to +85
0 to +70
MAX6735  Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s
Input (WDI)
Input/Output (WDI/WDO)
Extended Setup Period
1s to 2s
>2s
Adjustable Reset Input
Manual Reset
2.5 37 SOT-23/8 -40 to +85
0 to +70
See All Supervisors (3 Monitored Voltages) (21)




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