HEF4047B 查看數據表（PDF） - Philips Electronics

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HEF4047B

Monostable/astable multivibrator

Philips Electronics 

Philips Semiconductors

Monostable/astable multivibrator

DESCRIPTION

The HEF4047B consists of a gatable astable multivibrator

with logic techniques incorporated to permit positive or

negative edge-triggered monostable multivibrator action

with retriggering and external counting options.

Inputs include + TRIGGER, − TRIGGER, ASTABLE,

ASTABLE, RETRIGGER and MR (Master Reset).

Buffered outputs are O, O and OSCILLATOR OUTPUT. In

all modes of operation an external capacitor (Ct) must be

connected between CTC and RCTC, and an external

resistor (Rt) must be connected between RTC and

RCTC (continued on next page).

Product specification

HEF4047B

MSI

Fig.1 Functional diagram.

FAMILY DATA, IDD LIMITS category MSI

See Family Specifications

January 1995

2

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