...es six chips: the HD404339 with 16-kword ROM; the HD4043312 with 12kword ROM; the HD404338 with 8-kword ROM; the HD404336 with 6-kword ROM; ...32.768-kHz crystal oscillator
HD404339 Series
* Seven interrupt sources Two by external sources...
Description
4-bit HMCS400-Series microcomputer with large-capacity memory