The EM4450/4550 is a 1KBit read/write contactless identification device from EM Microelectronic-Marin SA. The difference between EM4450 and EM4550 is that EM4550 are bumped and has megapads for the two coils.
This document describes the absolute maximum ratings, operating conditions, and electrical characteristics of the EM6415 product. The product has built-in protection against high static voltages and is suitable for various applications.
The EM6325 is an ultra-low current reset circuit from EM Microelectronic-Marin SA. It features a manual reset function and can be configured with a reset timeout period of 200ms, 1.6ms, 25ms, or 1600ms. The circuit can operate in temperatures ranging from -40°C to +125°C and supports power supply voltages between 1.5V and 5.5V. The EM6325 has an operating current of 2.9μA, making it ideal for portable and battery-operated devices.
