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HD404818 - (HD40L481x Series) 4-Bit Single-Chip Microcomputer

Download the HD404818 datasheet PDF. This datasheet also covers the HD4-0481 variant, as both devices belong to the same (hd40l481x series) 4-bit single-chip microcomputer family and are provided as variant models within a single manufacturer datasheet.

Description

T he H D4 04 81 8 Se ri es of 4-bit single-chip HMCS400 series microcomputers provide high program productivity.

It incorporates a large size memory, LCD controller/driver, voltage comparator, and 32-kHz watch oscillator circuit.

Features

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  • 2048-word × 10-bit ROM (HD404812, HD40L4812) 4096-word × 10-bit ROM (HD404814, HD40L4814) 6144-word × 10-bit ROM (HD404816, HD40L4816) 8192-word × 10-bit ROM (HD404818, HD40L4818, HD4074818, HD407L4818) 1184-digit × 4-bit RAM 30 I/O pins, including 10 high-current output pins, all CMOS and programmable as I/O pull-up MOS LCD controller/driver (32 segments × 4 commons) Three time.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HD4-0481-8.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription

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HD404818 Series 4-Bit Single-Chip Microcomputer Preliminary Rev. 2.0 Sept. 1998 Description T he H D4 04 81 8 Se ri es of 4-bit single-chip HMCS400 series microcomputers provide high program productivity. It incorporates a large size memory, LCD controller/driver, voltage comparator, and 32-kHz watch oscillator circuit. The HD404818 Series has both standard voltage versions and low voltage versions available. The standard voltage versions operate at 4.0 V to 6.0 V (mask ROM version) and 4.0 V to 5.5 V (PROM version), while the low voltage versions operate at 2.7 V to 6.0 V (mask ROM) and 3.0 V to 5.5 V (PROM). Low voltage versions include an L in their product name.
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