TC1270AMVRCTR datasheet(15/40 Pages) MICROCHIP

부품명	TC1270AMVRCTR

상세설명	Voltage Supervisor with Manual Reset Input

PDF	40 Pages

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제조업체	MICROCHIP [Microchip Technology]

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15 / 40 page

DS22035B-page 15

TC1270A/70AN/71A

—

IST (1)

Manual Reset input pin

This input allows a push button switch to be

directly connected to the

TC1270A/70AN/71A’s MR pin, which can then

be used to force a system Reset. The input fil-

ter (ignores) noise pulses that occur on the

MR pin.

H = Switch is open (internal pull-up resistor

pulls signal high). State of the RST/RST

pin determined by other system condi-

tions.

L = Switch is depressed (shorted to ground).

This forces the RST/RST pin Active.

—

VDD

—

Power

Supply Voltage

——

—

No Connection

TABLE 3-1:

PINOUT DESCRIPTION (CONTINUED)

Pin Number

Sym

Standard Function

TC1270A

(Push-Pull,

active low)

TC1270AN

(Open-Drain,

active low)

TC1271A

(Push-Pull,

active high)

Type

Buffer

Driver

Note 1:

The MR pin has an internal weak pull-up (18.5 k

Ω typical).

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