One (1) R220 module with green substrate and a red plastic extraction handle attached by two rivets. The handle reads "DIGITAL EQUIPMENT CORPORATION MAYNARD, MASSACHUSETTS" in raised letters on the solder-side. The substrate on the solder-side reads "3 BIT SHIFT REG. R220J" along the left-edge. "FLIP CHIP" is printed in solder on the substrate, between the rivets on the component-side. There are three inspection stamps on the component-side; one red circle, and one black triangle. The original DEC FLIP CHIP module "test specs" is extant and available as related item in the archival collection.
Date
1964 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass., U.S.
Identifying Numbers
Model number
R220
Printed in white on the face of the extraction handle
