Description
Motorola XC79185FN System Timing Logic IC
The Motorola XC79185FN, marked “XC79185FN CKD09536”, is a microcontroller and system-timing logic device for low-level timing and power-sequencing functions in legacy electronic control systems.
Identification and specifications
- Brand: Motorola
- Part number: XC79185FN
- Top marking: XC79185FN CKD09536
- Function: Microcontroller / system timing logic for timing and power-sequencing functions
- Package: PLCC-44
- Era: 1995
Application
This logic IC is intended for low-level timing and power-sequencing roles in legacy electronic control circuitry. When identifying a replacement, match the exact marking and verify the PLCC-44 pin layout, pinout and electrical requirements against the target circuit.

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