74HCT390 Datasheet Dual decade ripple counter

Manufacturer: Nexperia

Download the 74HCT390 datasheet PDF. This datasheet also includes the 74HC390 variant, as both parts are published together in a single manufacturer document.

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74HCT390 dual decade ripple counter by Nexperia - Datasheet Preview — Note: The manufacturer provides a single datasheet file (74HC390-nexperia.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	74HCT390
Manufacturer	Nexperia
File Size	253.04 KB
Description	Dual decade ripple counter
Download	74HCT390 Download (PDF)

General Description

The 74HC390;

74HCT390 is a dual 4-bit decade ripple counter divided into four separately clocked sections.

The counters have two divide-by-2 sections and two divide-by-5 sections.

Overview

74HC390; 74HCT390 Dual decade ripple counter Rev.

5 — 18 October 2021 Product data sheet 1.

Key Features

Input levels:.
For 74HC390: CMOS level.
For 74HCT390: TTL level.
Two BCD decade or bi-quinary counters.
One device can be configured to divide-by-2, 4, 5, 10, 20, 25, 50 or 100.
Two master reset inputs to clear each decade counter individually.
Supply voltage range from 4.5 V to 5.5 V.
High noise immunity.
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
Complies with JEDEC standard JESD7A.

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