ASM1817 datasheet(4/9 Pages) ALSC

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ASM1817

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Notice: The information in this document is subject to change without notice

Low Power, 3.3V/3.0V µP Reset

rev 1.5

February 2005

Absolute Maximum Ratings

Electrical Characteristics

Unless otherwise noted, VCC = 1.2V to 5.5V and specifications are over the operating temperature range of -40°C to +85°C. All voltages are referenced to

ground

Parameter

Min

Max

Unit

Voltage on VCC

-0.5

Voltage on RESET

-0.5

VCC + 0.5

Operating Temperature Range

-40

°C

Soldering Temperature (for 10 sec)

260

°C

Storage Temperature

-55

125

°C

ESD rating

HBM

200

NOTE: These are stress ratings only and functional use is not implied. Exposure to absolute maximum rat-

ings for prolonged periods of time may affect device reliability.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Supply voltage

VCC

1.2

5.5

Output Voltage

VOH

IOUT < 500 µA

VCC - 0.5V

VCC - 0.1V

Output Current

IOH

Output = 2.4V, VCC > 2.7V

350

µA

Output Current

IOL

Output = 0.4V, VCC > 2.7V

+10

Operating Current

ICC

VCC < 5.5V, RESET output open

820

µA

Operating Current

ICC

VCC < 3.6V, RESET output open

615

µA

VCC Trip Point (ASM1817R-5)

VCCTP

2.98

3.06

3.15

VCC Trip Point (ASM1817R-10)

VCCTP

2.80

2.88

2.97

VCC Trip Point (ASM1817R-20)

VCCTP

2.47

2.55

2.64

Output Capacitance

COUT

VCC Detect to RESET Low

tRPD

µs

VCC Slew Rate

(VCCTP (MAX) to VCCTP (MIN)

300

µs

VCC Slew Rate

(VCCTP (MIN) to VCCTP (MAX)

0ns

VCC Detect to RESET High

tRPU

tr = 5µs

100

150

250

Note: The tF value is for reference in defining values for tRPD and should not be considered for proper operation or use.

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