MAX6862UK225(2004) データシートの表示（PDF） - Maxim Integrated

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MAX6862UK225
(Rev.:2004)

Nanopower µP Supervisory Circuits with Manual Reset and Watchdog Timer

Maxim Integrated 

Nanopower µP Supervisory Circuits with

Manual Reset and Watchdog Timer

PIN

MAX6854/

MAX6856

MAX6855

1

—

2, 4

2, 4

3

3

5

5

—

1

MAX6854/MAX6855/MAX6856 Pin Description

NAME

FUNCTION

RESET

GND

MR

VCC

RESET

Active-Low Open-Drain or Push-Pull Reset Output. RESET transitions from high to

low when VCC drops below the selected reset threshold or MR is pulled low.

RESET remains low for the reset timeout period after VCC exceeds the device

reset threshold and MR deasserts. Push-pull RESET outputs are referenced to

VCC. Open-drain RESET outputs require an external pullup resistor.

Ground. Connect all GND inputs to the same potential.

Active-Low Manual Reset Input. Drive MR low to initiate a reset. The reset output

remains asserted while MR is held low and for the reset timeout period after MR

transitions high. Leave MR unconnected or connect to VCC if unused. MR is

internally pulled up to VCC through 10kΩ.

Supply Voltage. Input for VCC reset monitor. For noisy systems, bypass VCC with

a 0.1µF capacitor to GND.

Active-High Push-Pull Reset Output. RESET transitions from low to high when

VCC drops below the selected reset threshold or MR is pulled low. RESET

remains high for the reset timeout period after VCC exceeds the device reset

threshold and MR deasserts. RESET is referenced to VCC.

PIN

MAX6858/

MAX6860

1, 2

3

4

5

MAX6858/MAX6860 Pin Description

NAME

FUNCTION

I.C.

GND

RESET

VCC

Internally Connected. For increased noise immunity, connect I.C. to GND.

Ground

Active-Low Open-Drain or Push-Pull Reset Output. RESET transitions from high to low when VCC

drops below the selected reset threshold. RESET remains low for the reset timeout period after

VCC exceeds the device reset threshold. Push-pull RESET outputs are referenced to VCC. Open-

drain RESET outputs require an external pullup resistor.

Supply Voltage. Input for VCC reset monitor. For noisy systems, bypass VCC with a 0.1µF

capacitor to GND.

6 _______________________________________________________________________________________

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