This listing is for a lot of nine (nine) genuine Zilog Z8430A PS (Z80A-CTC) integrated circuits — a classic four-channel Counter/Timer Controller used in Z80-based systems.
Condition: NOS / New Old Stock. All ICs are unused, with clean, straight pins and no signs of soldering.
Date code 8342 indicates early nineteen eighty-three Zilog production.
Country of origin: Philippines (authentic Zilog factory).
These CTC controllers were widely used in vintage Z80 microcomputer systems, CP/M machines, arcade boards, telecom hardware, and industrial controllers. Excellent for repair, restoration, and retro-computing projects.
Key Features:
Four independent timer or event-counter channels
Each channel includes its own down-counter and prescaler (sixteen× or two hundred fifty-six×)
Supports timer mode, counter mode, and interrupt generation
Reload-on-zero capability for repetitive timing applications
Zero-count/timeout outputs can drive transistors, relays, or external logic
Package: DIP-28, through-hole
Fully compatible with Z80 CPU systems
Not a China remark / Not refurbished / Genuine vintage Zilog parts
Included in this lot:
Condition:
New Old Stock (NOS)
Unused parts from long-term industrial storage. Clean pins, no flux, no prior installation.
