CD74HC390, CDx4HCT390 High-Speed CMOS Logic Dual Decade Ripple Counter

1 Features • Two BCD decade or bi-quinary counters • One package can be configured to divide-by-2, 4, 5, 10, 20, 25, 50, 100 • Two controller reset inputs to clear each decade counter individually • Fanout (over temperature range) – Standard outputs: 10 LSTTL loads – Bus driver outputs: 15

Dual decade ripple counter

GENERAL DESCRIPTION The 74HC/HCT390 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. FEATURES • Two BCD decade or bi-quinary counters • One package can be configured to divide-

DUAL DECADE RIPPLE COUNTER

DUAL DECADE RIPPLE COUNTER

Dual decade ripple counter

1. 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. These sections share an asynchronous master reset input (nMR) and can be used in a BCD decad

Dual decade ripple counter

GENERAL DESCRIPTION The 74HC/HCT390 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. FEATURES • Two BCD decade or bi-quinary counters • One package can be configured to divide-

High?밣erformance Silicon?밎ate CMOS

文件：268.46 Kbytes Page：9 Pages