現金自動預入支払機(ATM)システム



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マキシム > ソリューション > 現金自動預入支払機(ATM)システム

ウォッチドッグタイマ

データシート

表示

タイトル/製品

主な特長

設定可能なタンパー検出ヒエラルキおよびRTC内蔵、1k x 8セキュアメモリ
MAX36025B, MAX36025B+TRL

業界初、デュアル暗号化エンジン、認証、およびタンパー検出ヒエラルキ内蔵、セキュリティマネージャ

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

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

コンデンサ可変リセット/ウォッチドッグタイムアウト遅延付き、µPリセット回路
MAX6746, MAX6747, MAX6748, MAX6749, MAX6750, MAX6751, MAX6752, MAX6753

QV PDF

ウィンドウ型(Min/Max)ウォッチドッグおよびマニュアルリセット付き、µP監視回路
MAX6323, MAX6324

業界初、ウィンドウ型ウォッチドックおよびマニュアルリセット付き、µP監視回路

QV PDF

ピン選択可能なウォッチドッグタイマ
MAX6369, MAX6370, MAX6371, MAX6372, MAX6373, MAX6374

Key Specifications: Supervisors (1 Monitored Voltage)

Part Number

Reset Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Watchdog Timeout

Supervisor Features

Reset Thresh. Accur.
(%)

I_CC
(µA)

Active Low

min

@ +25°C

max

MAX6746

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

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

1s to 2s

<1s

>2s

Adjustable

Manual Reset

MAX6747

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

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

Manual Reset

MAX6748

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

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

Adjustable Reset Input

MAX6749

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

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

Adjustable Reset Input

MAX6752

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

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

Windowed

MAX6753

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

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

Windowed

MAX6323

2.5 to 3.3

3.3 to 5.5

Push-Pull

85ms to 300ms

Input/Output (WDI/WDO)

Windowed

Manual Reset

1.5

MAX6324

2.5 to 3.3

3.3 to 5.5

Open Drain

85ms to 300ms

Input/Output (WDI/WDO)

Windowed

Manual Reset

1.5

See All Supervisors (1 Monitored Voltage) (274)

Key Specifications: Supervisors (2 Monitored Voltages)

Part Number

Interface

Reset Thresh.
(V)

Reset Out

t_RESET

Watchdog Feature

Watchdog Timeout

Supervisor Features

Reset Thresh. Accur.
(%)

I_CC
(µA)

Active Low

min

@ +25°C

max

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

1ms to 15ms

15ms to 85ms

85ms to 300ms

300ms to 1s

<1ms

>1s

Adjustable

Cap Adjustable

Input (WDI)

1s to 2s

<1s

>2s

Adjustable

Adjustable Reset Input

MAX6751

Open Drain

See All Supervisors (2 Monitored Voltages) (84)

Key Specifications: Watchdog Timers

Part Number

Watchdog Feature

Watchdog Timeout

Watchdog Startup Delay

Watchdog Output

I_CC
(µA)

RoHS Available

Industry Qualified

Package/Pins

Smallest Available Pckg.
(mm²)

Oper. Temp.
(°C)

min

max

max w/pins

MAX6369

Input (WDI)

Input/Output (WDI/WDO)

Pin Selectable

Watchdog Only

1s to 2s

<1s

>2s

Adjustable

<60s

Open-Drain

Yes

Automotive - General

SOT/8

-40 to +85

0 to +70

MAX6370

<60s

Push-Pull

SOT/8

MAX6371

60s

Open-Drain

SOT/8

MAX6372

60s

Push-Pull

SOT/8

MAX6373

>60s

Open-Drain

SOT/8

MAX6374

>60s

Push-Pull

SOT/8

See All Watchdog Timers (7)