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74HCT390 Datasheet PDF

Part Series:
74HCT390 Series
Category:
Counters
Description:
NXP 74HCT390D,652 Decade Ripple Counter, HCT Family, 61MHz, 4.5V to 5.5V, SOIC-16
Updated Time: 2023/01/13 03:18:45 (UTC + 8)

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74HCT390D,652 - NXP Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
16 Pin
Supply Voltage (DC)
4.50V (min)
Case/Package
SOIC-16
Number of Outputs
4 Output
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74HCT390D,652 - NXP Function Overview

The 74HCT390D is a dual Decade Ripple Counter pin compatible with low power Schottky TTL (LSTTL). This dual 4-bit decade ripple counter divided into four separately clocked sections. The counter has two divide-by-2 sections and two divide-by-5 sections. These sections are normally used in a BCD decade or bi-quinary configuration, since they share a common master reset input (nMR). If the two master reset inputs (1MR and 2MR) are used to simultaneously clear all 8-bit of the counter, a number of counting configurations are possible within one package. Each section is triggered by the high-to-low transition of the clock inputs (nCP0\ and nCP1\\). For BCD decade operation, the nQ0 output is connected to the nCP1\ input of, the divide-by-5 section. For bi-quinary decade operation, the nQ3 output is connected to the nCP0\ input and nQ0 becomes the decade output.
Two master reset inputs to clear each decade counter individually
Standard output capability
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