Key facts
- Brand
- ELAN
- Model
- EM459
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2012-03-21
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EM78458/459 Mask ROM Manual
The EM78458 and EM78459 are 8‑bit microprocessors with a built‑in 4 K×13‑bit ROM and a range of integrated peripherals, including ADC, PWM, comparators, and a real‑time clock. The document lists operating voltage and temperature ranges, power consumption, and package options.
Detailed sections cover pin assignments for the 20‑pin DIP, 20‑pin SOP, 24‑pin skinny DIP, and 24‑pin SOP packages, functional block diagrams, register descriptions, and AC electrical characteristics such as timing parameters and reset requirements.
ELAN EM459 specifications
| Operating voltage range | 2.3V~5.5V |
|---|---|
| Operating temperature range (commercial) | 0°C~70°C |
| Operating temperature range (industrial) | -40°C~85°C |
| Power consumption at 5V/4MHz | < 1.5 mA |
| On‑chip ROM size | 4 K × 13 bits |
| On‑chip SRAM registers | 84 × 8 bits |
| Package: EM78458AP | 20‑pin DIP, 300 mil |
| Package: EM78458AM | 20‑pin SOP, 300 mil |
| Package: EM78459AK | 24‑pin skinny DIP, 300 mil |
| Package: EM78459AM | 24‑pin SOP, 300 mil |
Source: EM78458/459 Mask ROM Manual
All ELAN EM459 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating voltage range of the EM78458/459?
The device operates from 2.3 V to 5.5 V.
How many pins does the EM78458AP package have?
The EM78458AP package has 20 pins.
What is the operating voltage range of the EM78P458/459?
The device operates from 2.3 V up to 5.5 V.
How many pins does the EM78P458AP package have?
The EM78P458AP comes in a 20‑pin DIP package.
What is the operating voltage range of the EM78P458/459?
The device operates from 2.3 V up to 5.5 V.
What package types are available for the EM78P458/459?
It is offered in 20‑pin DIP (EM78P458AP), 20‑pin SOP (EM78P458AM), 24‑pin skinny DIP (EM78P459AK) and 24‑pin SOP (EM78P459AM).