74LS190 Synchronous Up/Down Decade Counter IC DIP-16 (74LS190 Counter IC)

The 74LS190 is a synchronous up/down decade counter IC designed for counting, timing, frequency division, and digital control applications. Built using Low Power Schottky TTL technology, this counter can count in both ascending and descending directions while providing synchronous operation for improved speed and reliability. Its presettable design makes it ideal for programmable counting systems and digital instrumentation.

Key Features -

• Synchronous up/down decade counter

• Counts from 0 to 9 in BCD format

• Presettable count capability

• Low Power Schottky TTL technology

• High-speed synchronous operation

• Up and down counting modes

• DIP-16 through hole package

Specifications -

• Product type - Counter IC

• Model - 74LS190

• Counter type - Synchronous Up/Down Decade Counter

• Logic family - LS TTL

• Package type - DIP-16

• Mounting type - Through Hole Mount

• Counting range - 0 to 9 (BCD Decade)

• Counting direction - Up or Down selectable

• Preset function - Parallel load capability

• Additional features - Ripple carry output, synchronous clocking, and reliable operation

Applications -

• Digital counters

• Frequency division circuits

• Programmable timers

• Industrial automation systems

• Digital clocks and displays

• Measurement instruments

• Educational electronics projects