PRODUCT DESCRIPTION
The Hitachi HD509A-5 is a vintage integrated circuit manufactured in the late 1970s. It comes in the distinctive white ceramic DIP package with gold lid and gold pins, a hallmark of high-quality semiconductor production during that era. The date code 7716 (16th week of 1977) indicates its early manufacturing period, making it highly collectible today.
Hitachi was one of Japan’s leading semiconductor manufacturers, and their early TTL chips are prized by collectors and enthusiasts for their durability, build quality, and unique aesthetic. This component is an excellent example of 1970s semiconductor technology, perfect for display, collection, or research.
👉 Please note: This IC is not tested, but it is in good physical condition.
SPECIFICATIONS
Manufacturer: Hitachi
Model: HD509A-5
Package: White ceramic DIP with gold lid
Date Code: 7716 (1977)
Technology: TTL Integrated Circuit
Condition: Used, not tested, collectible
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