Datasheet > EM562081

EM562081

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
钰创 - ETRON		静态存储器
页数	文件大小	规格书
12页	115K
描述
256K x 8 Low Power SRAM

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EM562081 数据手册

EtronTech

EM562081

256K x 8 Low Power SRAM

Preliminary, Rev 1.0 7/2001

Features

Single power supply voltage of 2.7V to 3.6V

Power down features using CE1# and CE2

Low operating current : 25mA(max. for 70 ns)

Maximum Standby current : 10mA at 3.6 V

Data retention supply voltage: 1.5V to 3.6V

Direct TTL compatibility for all input and output

Wide operating temperature range: -40°C to 85°C

Package type: 36-ball TFBGA, 6x8mm

asserted low. There are three control inputs. CE1# and

CE2 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 EM562081 can be used in environments exhibiting

extreme temperature conditions.

Pin Assignment

Ordering Information

1. 36-Ball BGA (CSP), Top View

Part Number

Speed IDDS2

Package

70 ns

85 ns

10 mA

6x8 BGA

EM562081BC-70

EM562081BC-85

6x8 BGA

A 1

A 3

A 6

A 8

CE 2

DQ 4

DQ 5

G ND

V DD

DQ 6

DQ 7

A 2

W E #

A 4

A 5

A 7

DQ 0

DQ 1

V DD

G ND

DQ 2

DQ 3

A 1 4

Pin Names

Symbol

A0 - A17

DQ0-DQ7

CE1#,CE2

OE#

Function

Address Inputs

Data Inputs/Outputs

Chip Enable Inputs

Output Enable

A1 7

A 1 6

A 1 2

WE#

Read/Write Control Input

Ground

GND

A 1 5

A 1 3

CE 1#

A1 1

O E#

A1 0

VDD

Power Supply

No Connection

Overview

The EM562081 is a 2,097,152-bit SRAM organized as

262,144 words by 8 bits. It is designed with advanced

CMOS technology. This Device operates from a single

2.7V 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 (CE1#) is asserted high or (CE2) is

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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