EM78P257 Overview
Key Specifications
Package: SOP
Operating Voltage: 5 V
Max Frequency: 20 MHz
Max Operating Temp: 70 °C
Description
EM78P257A/B is an 8-bit microprocessors with low-power, high speed CMOS technology. It features a 2K*13 bits Electrical One Time Programmable Read Only Memory (OTP -ROM) and provides a protect bit to prevent from intruding on code, as well as 12 Option bits to accommodate user’s requirements.
Key Features
- Operating voltage range: 2.3V~5.5V
- Operating temperature range: 0°C~70°C
- Low power consumption: * less then 1.5 mA at 5V/4MHz * typical of 15 µ A, at 3V/32KHz * typical of 1 µ A, during the sleep mode
- Built-in RC oscillator(4MHz,1MHz,455KHz,32.768KHz)
- RC oscillator mode with Internal Capacitor
