This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.
HD404019/HD4074019 t^
-Preliminary-
Description
The HD404019, HD4074019 are CMOS 4-bit single-chip microcomputers in the HMCS400 series, Each device incorporates ROM, RAM, I/O, serial interface,