HD404654 Series 4-Bit Single-Chip Microcomputer

The HD404654 Series is a member of the HMCS400-series of microcomputers designed to increase program productivity with large-capacity memory. Each microcomputer has a high-precision dual-tone multi-frequency (DTMF) generator, three Timers serial Interface voltage Comparator and input capture circuit. The HD404654 Series includes three chips: the HD404652 with 2 k-word ROM; the HD404654 with 4 k- word ROM; and the HD4074654 with 4 k-word PROM (ZTAT, version). The HD4074654 is a PROM version (ZTAT, microcomputer). A program CAN be written to the PROM by a PROM writer, which CAN dramatically shorten system development periods and smooth the process from debugging to mass production. (The ZTAT, version is 27256-compatible.) ZTAT, : Zero Turn Around Time. ZTAT is a trademark of Hitachi Ltd. By Renesas Technology
HD404654 's PackagesHD404654 's pdf datasheet

HD404654 Pinout, Pinouts
HD404654 pinout,Pin out
This is one package pinout of HD404654,If you need more pinouts please download HD404654's pdf datasheet.

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