EM564166

EtronTech Features Single power supply voltage of 2.3V to 3.6V Power down features using CE# Low power dissipation Data retention supply voltage: 1.0V to 3.6V Direct TTL compatibility for all input and output Wide operating temperature range: -40°C to 85°C Standby current @ VDD = 3.6 V IDDS2 Typical EM564166BC-70/85 EM564166BC-70E/85E 1 µA 5 µA Maximum 10 µA 80 µA D GND DQ11 A17 A7 EM564166 256K x 16 Low Power SRAM Preliminary, Rev 1.0 Pin Configuration 48-Ball BGA (CSP), Top View 1 2 3 4 5 6 05/2001 A LB# OE# A0 A1 A2 NC B DQ8 UB# A3 A4 CE# DQ0 C DQ9 DQ10 A5 A6 DQ1 DQ2 DQ3 VDD E VDD DQ12 NC A16 DQ4 GND F DQ14 DQ13 A14 A15 DQ5 DQ6 G DQ15 NC A12 A13 WE# DQ7 Ordering Information Part Number EM564166BC-70 EM564166BC-85 EM564166BC-70E EM564166BC-85E H NC A8 A9 A10 A11 NC Speed 70 ns 85 ns 70 ns 85 ns IDDS2 10 µA 10 µA 80 µA 80 µA Package 6x8 BGA 6x8 BGA 6x8 BGA 6x8 BGA Pin Description Symbol A0 - A17 DQ0 - DQ15 CE# OE# WE# LB#, UB# GND VDD NC Function Address Inputs Data Inputs / Outputs Chip Enable Inputs Output Enable Read / Write Control Input Data Byte Control Inputs Ground Power Supply No Connection Overview The EM564166 is a 4,194,304-bit SRAM organized as 262,144 words by 16 bits. It is designed with advanced CMOS technology. This Device operates from a single 2.3V to 3.6V power supply. Advanced circuit technology provides both high speed and low power. It is automatically placed in low-power mode wh...