DS1705, DS1706 3.3V 및 5.0V 마이크로모니터

데이터 시트

전체 데이터 시트 (PDF, 216kB)
English

제품 설명

The DS1705/DS1706 3.3- or 5.0-Volt MicroMonitor monitors three vital conditions for a microprocessor: power supply, software execution, and external override. A precision temperature compensated reference and comparator circuit monitor the status of V_CC at the device and at an upstream point for maximum protection. When the sense input detects an out-of-tolerance condition a non-maskable interrupt is generated. As the voltage at the device degrades, an internal power fail signal is generated which forces the reset to an active state. When V_CC returns to an in-tolerance condition, the reset signal is kept in the active state for a minimum of 130ms to allow the power supply and processor to stabilize.

The second function the DS1705/DS1706 performs is pushbutton reset control. The DS1705/DS1706 debounces the pushbutton input and guarantees an active reset pulse width of 130ms minimum.

The third function is a watchdog timer. The DS1705/DS1706 has an internal timer that forces the WDO signal to the active state if the strobe input is not driven low prior to time-out.

주요기능

Halts and restarts an out-of-control microprocessor
Holds microprocessor in check during power transients
Automatically restarts microprocessor after power failure
Monitors pushbutton for external override
Accurate 5%, 10% or 20% resets for 3.3V systems and 5% or 10% resets for 5.0V systems
Eliminates the need for discrete components
3.3V 20% tolerance for use with 3.0V systems
Pin-compatible with the MAXIM MAX705/MAX706 in 8-pin DIP, 8-pin SO, and µSOP
8-pin DIP, 8-pin SO and 8-pin µSOP packages
Industrial temperature range -40°C to +85°C

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)

Price

Active Low

Active High

min

@ +25°C

max

See Notes

DS1705

3.3 to 5.5

Push-Pull

85ms to 300ms

Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input

Manual Reset

Power Fail Comparator/Low Battery Detect

2.5

$1.17 @1k

DS1706

3.3 to 5.5

Push-Pull

$1.17 @1k

DS1706L

3.3 to 5.5

Push-Pull

$1.17 @1k

DS1706P

2.5 to 3.3

Push-Pull

$1.17 @1k

DS1706R

2.5 to 3.3

Push-Pull

$1.17 @1k

DS1706S

2.5 to 3.3

Push-Pull

$1.17 @1k

DS1706T

2.5 to 3.3

Push-Pull

$1.17 @1k

모두 보기Supervisors (1 Monitored Voltage) (274)

주문 정보

참고:

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부품번호 suffix: T 또는 T&R = 테잎 앤 릴, + = RoHS/lead-free, # = RoHS/lead 예외.추가 정보: 전체 데이터 시트 또는 부품번호 규칙
*일부 패키지는 크기 편차(variation)를 가지며 이 값은 도면 상에 제시되어 있습니다. “패키지 코드/편차”는 해당 제품이 사용하고 있는 편차를 보여줍니다. 부품번호 suffix에 "+", "#", "-"는 RoHS 준수 상태를 나타냅니다. 패키지 도면에 suffix 문자는 다를 수 있습니다.

소자: 1-71 / 71

DS1705

참고

무료 샘플

구매

상태

패키지:	타입 핀 풋프린트
	도면 코드/편차 *

온도

RoHS/Lead-Free?
재료 분석

DS1705EPA

5V-5% 모니터

구매 가능

PDIP(N),8 핀,79.7 mm²
도면: 21-0043 (PDF)
랜드 패턴: Not Applicable
패키지 코드/편차 이용: P8-2*

-40°C ~ +85°C