HD404638R Datasheet - Renesas Technology

HD404638R 4-Bit Single-Chip Microcomputer

The HD404639R Series is a member of the HMCS400-series microcomputers designed to increase program productivity with large-capacity memory. The HD404639R Series, completely compatible with the HD404639 Series, reduces current dissipation in half and includes a high-speed version. Each microcomputer .

To all our customers Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.) Accordingly, although Hitachi, Hitachi, Ltd., Hitachi Semiconductors, and other H.

HD404638R Features

* 8,192-word × 10-bit ROM (HD404638R, HD40A4638R)

* 16,384-word × 10-bit ROM (HD404639R, HD40A4639R, HD407A4639R)

* 1,152-digit × 4-bit RAM

* 61 I/O pins and 7 dedicated input pins  12 high-current output pins: Eight 15-mA sinks (a maximum of 7 pins can be used at th

HD404638R Datasheet (612.26 KB)