Datasheet > EM564166

EM564166

更新时间： 2024-11-19 22:40:47

品牌	Logo	应用领域
钰创 - ETRON		静态存储器
页数	文件大小	规格书
11页	161K
描述
256K x 16 Low Power SRAM

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EM564166 数据手册

EtronTech

EM564166

256K x 16 Low Power SRAM

Preliminary, Rev 1.0 05/2001

Features

Pin Configuration

48-Ball BGA (CSP), Top View

Single power supply voltage of 2.3V to 3.6V

Power down features using CE#

Low power dissipation

LB#

OE#

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

I_DDS2

DQ8

DQ9

UB#

CE#

DQ1

DQ3

DQ4

DQ5

WE#

A11

DQ0

DQ2

VDD

GND

DQ6

DQ7

DQ10

GND DQ11

A17

A14

A12

Typical

1 mA

Maximum

10 mA

EM564166BC-70/85

VDD

DQ12

A16

A15

A13

A10

EM564166BC-70E/85E

5 mA

80 mA

DQ14 DQ13

DQ15

Ordering Information

Part Number

Speed I_DDS2

Package

6x8 BGA

EM564166BC-70

EM564166BC-85

70 ns

85 ns

10 mA

80 mA

Pin Description

Symbol

A0 - A17

DQ0 - DQ15

CE#

Function

Address Inputs

Data Inputs / Outputs

Chip Enable Inputs

Output Enable

EM564166BC-70E 70 ns

EM564166BC-85E 85 ns

OE#

WE#

LB#, UB#

GND

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 when chip

enable (CE#) is asserted high. There are two control inputs. CE# are used to select the device and for data

retention control, and output enable (OE#) provides fast memory access. Data byte control pin (LB#,UB#)

provides lower and upper byte access. This device is well suited to various microprocessor system applications

where high speed, low power and battery backup are required. And, with a guaranteed operating range from -

40°C to 85°C, the EM564166 can be used in environments exhibiting extreme temperature conditions.

Etron Technology, Inc.

No. 6, Technology Rd. V, Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C.

TEL: (886)-3-5782345

FAX: (886)-3-5778671

Etron Technology, Inc., reserves the right to make changes to its products and specifications without notice.

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