Key facts
- Brand
- ELAN
- Model
- EM78P257
- Documents
- 3
- Languages
- EN
- Last added
- 2012-03-21
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ELAN EM78P257 OTP ROM Datasheet
The EM78P257 is an 8‑bit microcontroller built with low‑power, high‑speed CMOS technology. It includes a 2 K×13‑bit one‑time programmable ROM, multiple option bits, and a range of built‑in peripherals such as timers, comparators, and an RC oscillator.
The device is offered in 18‑lead and 20‑lead DIP and SOP packages, with detailed pin‑assignment tables, functional block diagrams, and electrical characteristic tables covering voltage, current, timing, and temperature ranges.
ELAN EM78P257 specifications
| Operating voltage range | 2.3 V ~ 5.5 V |
|---|---|
| Operating temperature range (commercial) | 0 °C ~ 70 °C |
| Operating temperature range (industrial) | -40 °C ~ 85 °C |
| Low power consumption at 5 V/4 MHz | < 1.5 mA |
| Typical standby current at 3 V/32 kHz | 15 pA |
| On‑chip ROM size | 2 K × 13 bits |
| General‑purpose registers | 80 × 8 bits (SRAM) |
| Stack depth | 8 levels |
| Watchdog timer | Programmable free‑running |
Source: ELAN EM78P257 OTP ROM Datasheet
All ELAN EM78P257 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 EM78P257?
The EM78P257 operates from 2.3 V to 5.5 V.
How many pins does the EM78P257AP package have?
The EM78P257AP DIP package has 18 pins.
What is the operating voltage range of the EM78P257?
The device operates from 2.3 V to 5.5 V.
How many pins are in the EM78P257A DIP package?
The EM78P257A DIP package has 18 pins.
What is the operating voltage range of the EM78P257?
The microcontroller operates from 2.3 V to 5.5 V.
From: Elan EM78P257 8‑Bit Microcontroller OTP ROM Product Specification
Which package types are available for the EM78P257?
Available packages include 18‑pin DIP (300 mil), 20‑pin DIP (300 mil), 18‑pin SOP (300 mil), 20‑pin SOP (300 mil) and 20‑pin SSOP (209 mil).
From: Elan EM78P257 8‑Bit Microcontroller OTP ROM Product Specification