Datasheet > ISL736BEH

ISL736BEH

更新时间： 2023-12-20 18:44:06

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
23页	984K
描述
Rad-Hard, 5.0V/3.3V Microprocessor Supervisory Circuits

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ISL736BEH 数据手册

DATASHEET

ISL705xRH, ISL705xEH, ISL706xRH, ISL706xEH, ISL735xEH, ISL736xEH

Radiation Hardened, 5.0V/3.3V µ-Processor Supervisory Circuits

FN7662

Rev.6.01

Mar 2, 2022

The devices in this family (ISL705AEH, ISL705BEH,

Features

ISL705CEH, ISL705ARH, ISL705BRH, ISL705CRH,

• Electrically screened to SMD 5962-11213

ISL706AEH, ISL706BEH, ISL706CEH, ISL706ARH, ISL706BRH,

ISL706CRH, ISL735AEH, ISL735BEH, ISL735CEH, ISL736AEH,

ISL736BEH, ISL736CEH) are radiation hardened 5.0V/3.3V

supervisory circuits that reduce the complexity required to

monitor supply voltages in microprocessor systems. These

devices significantly improve accuracy and reliability relative to

discrete solutions. Each IC provides four key functions.

• QML qualified per MIL-PRF-38535 requirements

• Radiation acceptance testing - ISL705xRH, ISL706xRH

- High dose rate . . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)

• Radiation acceptance testing - ISL705xEH, ISL706xEH

- High dose rate . . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)

- Low dose rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . .50krad(Si)

• Radiation acceptance testing - ISL735xEH, ISL736xEH

- Low dose rate (EH) . . . . . . . . . . . . . . . . . . . . . . . .50krad(Si)

• A reset output during power-up, power-down, and brownout

conditions.

• An independent watchdog output that goes low if the

watchdog input has not been toggled within 1.6s.

• SEE hardness (see SEE report for details)

- SEL/SEB LET . . . . . . . . . . . . . . . . . . . . . 86MeV•cm mg

• A precision threshold detector for monitoring a power supply

other than V

• Precision supply voltage monitor

• An active-low, manual-reset input.

- 4.65V threshold in the ISL7x5AxH/BxH/CxH

- 3.08V threshold in the ISL7x6AxH/BxH/CxH

Applications

• Supervisor for µ-processors, µ-controllers, FPGAs, and DSPs

• 200ms (typical) reset pulse width

- Active high, active low, and open-drain options

• Critical power supply monitoring

• Independent watchdog timer with 1.6s (typical) timeout

• Reliable replacement of discrete solutions

• Precision threshold detector

- 1.25V threshold in the ISL7x5AxH/BxH/CxH

- 0.6V threshold in the ISL7x6AxH/BxH/CxH

• Debounced TTL/CMOS compatible manual-reset input

• Reset output valid at V = 1.2V

1.4

1.2

5V POWER SUPPLY

ISL7x5xxH

ISL7x6xxH

1.0

0.8

0.6

0.4

0.2

V_CC

V_DD

GND

PFI

WDO

RST

WDI

PFO

NMI

RST

I/O

µP

165k

49.9k



ISL7X5AxH

-80 -60 -40 -20

40 60 80 100 120 140

TEMPERATURE (°C)

5V SUPERVISOR APPLICATION WITH OVERVOLTAGE PROTECTION

FIGURE 1. TYPICAL APPLICATION

FIGURE 2. PRECISION THRESHOLD DETECTOR TEMPERATURE

CHARACTERISTICS CURVE

FN7662 Rev.6.01

Mar 2, 2022

Page 1 of 22

12 3 4 5 6 7...23

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