HP 1820-1692 custom-designed nanoprocessor gold pin

Specifications

​Type: A custom-designed nanoprocessor. It was a very early example of a single-chip processor, a forerunner to the microprocessors that became common later in the decade.

​Manufacturer: Hewlett-Packard (HP).

​Date of Manufacture: The "7292" date code on the chip likely indicates a production year of 1972.

​Operating Voltage: 5.0V, as marked on the component itself.

​Function: It was designed specifically for use in early HP products, such as sophisticated scientific calculators and test and measurement equipment from the early to mid-1970s.

​Package Type: It appears to be a large, custom-molded package, not a standard DIP (Dual In-line Package).

​Due to its proprietary and obsolete nature,