74HC5555 - Programmable delay timer

Nexperia

Datasheet Details

Part number	74HC5555
Manufacturer	Nexperia
File Size	301.16 KB
Description	Programmable delay timer
Datasheet	74HC5555 Datasheet

General Description

The 74HC5555 is a precision programmable delay timer which consist of: • 24-stage binary counter • integrated oscillator (using external timing components) • retriggerable/non-retriggerable monostable • automatic power-ON reset • output control logic • oscillator control logic • overriding asynchronous master reset (MR).

The 74HC5555 inputs include clamp diodes.

This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Overview

74HC5555 Programmable delay timer with oscillator Rev.

4 — 5 July 2018 Product data sheet 1.

Key Features

Supply voltage range from 2.0 V to 6.0 V.
CMOS input levels.
Positive and negative edge triggered.
Retriggerable or non-retriggerable.
Programmable delay:.
minimum: 100 ns.
maximum: depends on input frequency and division ratio.
Divide-by range of 2 to 224.
Direct reset terminates output pulse.
Very low power consumption in triggered start mode.
3 oscillator operating modes:.
RC oscillato.

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