EtronTech

EM562161

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.

128K x 16 Low Power SRAM

Preliminary, Rev 1.0

07/2001

Features

• Single power supply voltage of 2.7V to 3.6V

• Power down features using CE1# and CE2

• Low operating current : 30mA(max for 55 ns)

• 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: 48-ball TFBGA, 6x8mm

Ordering Information

Part Number

Speed

Package

EM562161BC-55

55 ns

10

µA

6x8 BGA

EM562161BC-70

70 ns

10

µA

6x8 BGA

Pin Description

Symbol

Function

A0 - A16

Address Inputs

DQ0 - DQ15

Data Inputs / Outputs

CE1#, CE2

Chip Enable Inputs

OE#

Output Enable

WE#

Read / Write Control Input

LB#, UB#

Data Byte Control Inputs

GND

Ground

Power Supply

NC

No Connection

Overview

The EM562161 is a 2,097,152-bit SRAM organized as

131,072 words by 16 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

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 EM562161 can be used

in

environments

exhibiting

extreme

temperature

conditions.

Pin Configuration

48-Ball BGA (CSP), Top View

1

2

3

4

5

6

A

B

C

D

E

F

G

H

LB #

O E#

A 0

A1

A2

C E 2

N C

A 8

A 9

A 10

A1 1

N C

D Q 1 5

N C

A 12

A 13

W E #

D Q 7

D Q 1 4

D Q 1 3

A 14

A 15

D Q 5

D Q 6

V D D

D Q 1 2

N C

A 16

D Q 4

G N D

D Q 8

U B #

A 3

A4

C E1 #

D Q 0

D Q 9

D Q 1 0

A 5

A6

D Q 1

D Q 2

GN D

D Q 1 1

A 7

D Q 3

VD D

N C