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マキシム > ソリューション > コンピュータ：デスクトップ、ワークステーション、およびサーバ

シングル、低電圧監視回路

データシート
表示 タイトル/製品 主な特長
QV    プログラマブルなタンパ応答ヒエラルキおよびRTC付き、8k x 8セキュアメモリ
DS3665

業界初、タンパ応答ヒエラルキ付き、8kBセキュアメモリ
QV    プログラマブルなタンパ検出ヒエラルキおよびRTC付き、1k x 8セキュアメモリ
DS3644

業界初、タンパ検出ヒエラルキ付き、セキュアメモリ
QV  PDF 低電力、精度1%のバッテリモニタ、µDFNおよびSC70パッケージ
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
QV  PDF 超低電圧µPリセット回路および電圧検出器
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845

外付け部品不要で、最低0.9Vまで電源を監視する超低電圧SC70 µP監視回路
QV  PDF 超低電力、電圧検出器およびµP監視回路
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
QV  PDF 超低電圧、SC70、電圧検出器およびµPリセット回路
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840
QV  PDF シングル/デュアル低電圧、低電力µPリセット回路、SC70/µDFNパッケージ
MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390



Key Specifications:   Battery Protectors, Selectors and Monitors
Part Number Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6775  µDFN/6
SC70/5 		2 -40 to +85
See All Battery Protectors, Selectors and Monitors (26)

Key Specifications:   Pushbutton Devices
Part Number Number of Monitored Voltages Manual Reset Feature MR1 Setup Time Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Package
MAX6390  1 Single Soft/Hard Reset Output 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain >1s 1.5 13 µDFN/6
SC70/4
See All Pushbutton Devices (17)

Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
MAX6775  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Push-Pull  -  <1ms No Watchdog Low Battery Detect 1 7
MAX6776  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain  -  <1ms No Watchdog Low Battery Detect 1 7
MAX6777  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Push-Pull  -  <1ms No Watchdog Low Battery Detect 1 7
MAX6778  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain  -  <1ms No Watchdog Low Battery Detect 1 7
MAX6841  0 to 1.2
1.2 to 1.8 		Push-Pull Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 20
MAX6842  0 to 1.2
1.2 to 1.8 		Open Drain Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 20
MAX6843  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  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		2.5 20
MAX6844  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 1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		2.5 20
MAX6845  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  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		2.5 20
MAX6461  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  <1ms No Watchdog  -  1 3.5
MAX6462  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull <1ms No Watchdog  -  1 3.5
MAX6463  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -  1 3.5
MAX6464  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms No Watchdog  -  2.5 3.5
MAX6465  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 85ms to 300ms No Watchdog  -  2.5 3.5
MAX6466  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms No Watchdog  -  2.5 3.5
MAX6832  0 to 1.2
1.2 to 1.8 		Push-Pull  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  1.5 13
MAX6833  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  1.5 13
MAX6834  0 to 1.2
1.2 to 1.8 		Open Drain  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  1.5 13
MAX6835  0 to 1.2
1.2 to 1.8 		Push-Pull  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 13
MAX6836  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 1.5 13
MAX6837  0 to 1.2
1.2 to 1.8 		Open Drain  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 1.5 13
MAX6838  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  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input 1.5 13
MAX6839  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 1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input 2.5 13
MAX6840  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  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s 		No Watchdog Adjustable Reset Input 2.5 13
MAX6381  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog  -  1.5 13
MAX6382  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog  -  1.5 13
MAX6383  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog  -  1.5 13
MAX6384  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog Manual Reset 1.5 13
MAX6385  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog Manual Reset 1.5 13
MAX6386  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog Manual Reset 1.5 13
See All Supervisors (1 Monitored Voltage) (270)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Interface Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
MAX6779  R/C Adjustable 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Push-Pull  -  <1ms No Watchdog Low Battery Detect 1 7
MAX6780  R/C Adjustable 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain  -  <1ms No Watchdog Low Battery Detect 1 7
MAX6781  R/C Adjustable 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain
Push-Pull 		 -  <1ms No Watchdog Low Battery Detect 1 7
MAX6387  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  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog Adjustable Reset Input
Manual Reset 		1.5 13
MAX6388  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 1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog Adjustable Reset Input 1.5 13
MAX6389  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  -  1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s 		No Watchdog Adjustable Reset Input 1.5 13
See All Supervisors (2 Monitored Voltages) (84)
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