Kc89c72 Datasheet 2021 Access

The is a 40-pin DIP (Dual In-line Package) integrated circuit that functions as a Programmable Sound Generator (PSG) . It is widely recognized as a clone of the classic General Instrument AY-3-8910 and is commonly found in retrocomputing systems like the MSX, ZX Spectrum, and various arcade machines. Core Technical Specifications

In the world of vintage electronics and retro computing, few things are as frustrating—or as rewarding—as the search for a rare datasheet. One part number that has surfaced in recent years among hobbyist communities is the .

If you are repairing a vintage machine, the KC89C72 serves as a reliable equivalent, often running at an extended temperature range of -40∘Cnegative 40 raised to the composed with power C 105∘C105 raised to the composed with power C

The pinout is generally equivalent to the AY-3-8910. Here is a general breakdown: kc89c72 datasheet

For engineers attempting to repair hardware utilizing the KC89C72, the following electrical parameters are critical reference points.

Capable of producing percussive or environmental sounds (like explosions or wind). I/O Ports:

: Used as a replacement part for ZX Spectrum, MSX, and Amstrad CPC systems. The is a 40-pin DIP (Dual In-line Package)

Channel A, B, and C analog outputs. Typical Applications

This article provides a detailed technical overview based on typical datasheet information for this 40-pin CMOS IC. What is the KC89C72?

Produce high-precision square waves with a wide frequency range. One part number that has surfaced in recent

Because the original General Instrument and Yamaha variants are no longer in production, the KC89C72 via UTSOURCE serves as an essential component for hardware preservation and custom audio synthesizers. Key Technical Specifications DIP-40 (40-pin dual in-line package). Supply Voltage ( VCCcap V sub cap C cap C end-sub ): Standard 5V TTL level.

: Three internal DACs convert the digital amplitude parameters of each channel into raw analog audio signals.

: 3 independent programmable tone generators and 1 noise generator.

: 3 mixers that combine tone and noise into separate output channels.

. It is frequently found in industrial applications and older consumer electronics that require reliable data storage and analog signal management. Key Technical Specifications