This document describes the features and characteristics of the EtronTech EM564166 product, including single power supply voltage, low power dissipation, data retention supply voltage range, and direct TTL compatibility.
EtronTech EM639165 is a high-speed synchronous dynamic random access memory (SDRAM) with features including single 3.3V power supply, fast clock rate, 4-bank operation, and programmable mode registers.
