Kc89c72 Datasheet Jun 2026

A: Tie both directly to GND for normal operation. Leaving them floating may cause erratic behavior.

A standard circuit from the KC89C72 datasheet connects the chip to a Z80 or 6502 microprocessor using the following scheme: kc89c72 datasheet

: It is a go-to replacement for repairing old arcade boards or MSX systems. A: Tie both directly to GND for normal operation