Artifact Details

Title

8 Unbuffered Flip Flops 4227B system building block

Catalog Number

102716731

Type

Physical object

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass.

Identifying Numbers

Model number 4227B Printed on the solder side of the board
Other number 4227 Stamped into the front of the aluminum frame

Dimensions

overall: 1/2 in x 4 1/2 in x 7 in

Description

The module is covered in various active and passive components, which are surrounded by an aluminum frame and blue plastic 22 pin male plastic connector. On the component side there are three round inspection stamps. The solder side has a grid lettered A-Z.

Category

Component/module