ASM1834 datasheet(7/10 Pages) ALSC

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ASM1834/A/D

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

Dual 5V and 3.3V µP Power Supply Supervisor with Manual Reset

rev 1.3

April 2005

DC Electrical Characteristics

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

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Output Current

IOH

Output = 2.4V. Either 3.3VIN or 5.5VIN

>=2.7V

(ASM1834/1834D only)

350

µA

Output Current

IOL

Output = 0.4V. Either 3.3VIN or 5.5VIN

>=2.7V

(ASM1834/1834D only)

Output Voltage

VOH

VIN - 0.1V

Input Leakage

IIL

-1.0

+1.0

µA

5V Operating Current

ICC

3.3VIN and 5VIN<=5.5V, RESET

outputs open.

µA

3.3V Operating Current

ICC

3.3VIN and 5VIN<=3.6V, RESET

outputs open.

µA

5V Trip Point

VINTP

5VTOL = GND

4.50

4.63

4.75

5V Trip Point

VINTP

5VTOL = 5VIN

4.25

4.38

4.49

3.3V Trip Point

VINTP

3.3VTOL = GND

2.80

2.88

2.97

3.3V Trip Point

VINTP

3.3VTOL = 3.3VIN

2.47

2.55

2.64

Output Capacitance

COUT

PBRST Manual Reset

Minimum Low Time

tPB

2ms

PBRST Stable LOW to

reset Active

tPDLY

2ms

Reset Active Time

tRST

200

350

500

VCC Slew Rate

VINTP(MAX) to VINTP(MIN)

300

µs

VCC Slew Rate

VINTP(MIN) to VINTP(MAX)

0ns

VCC Detect to RESET

or RESET

tRPU

trise = 5µs

200

350

500

VCC Detect Noise

Immunity

tRPD

2µs

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