EM641FV8FS datasheet(2/10 Pages) EMLSI

2 / 10 page

EM641FV8FS Series

Low Power, 512Kx8 SRAM

merging Memory & Logic Solutions Inc.

FEATURES

• Process Technology : 0.18

µm Full CMOS

• Organization : 512K x 8 bit

• Power Supply Voltage : 2.7V ~ 3.6V

• Low Data Retention Voltage : 1.5V(Min)

• Three state output and TTL Compatible

• Package Type : 32-sTSOP1

GENERAL DESCRIPTION

The EM641FV8FS families are fabricated by EMLSI’s

advanced full CMOS process technology. The families

support industrial temperature range and Chip Scale

Package for user flexibility of system design. The fami-

lies also supports low data retention voltage for battery

back-up operation with low data retention current.

PRODUCT FAMILY

Product

Family

Operating

Temperature

Vcc

Range

Speed

Power Dissipation

PKG Type

Standby

(ISB1, Typ)

Operating

(ICC1.Max)

EM641FV8FS

Industrial (-40 ~ 85

oC)

2.7V~3.6V

1) / 70ns

µA2)

3 mA

32- sTSOP1

Name

Function

Name

Function

Chip select inputs

Write Enable input

Output Enable input

Vcc

Power Supply

A0~A18

Address Inputs

Vss

Ground

I/O1~I/O 8 Data Inputs/outputs

No Connection

I/O Circuit

Column Select

Data

Cont

Data

Cont

Pre-charge Circuit

Memory Array

2048 x 2048

A11 A12 A13 A14 A15 A16

A18

I/O1 ~ I/O4

I/O5 ~ I/O8

VCC

VSS

Control Logic

FUNCTIONAL BLOCK DIAGRAM

1. The parameter is measured with 30pF test load.

A10

A17

PIN DESCRIPTION

A11

A13

A17

A15

VCC

A18

A16

A14

A12

A10

IO8

IO7

IO6

IO5

IO4

VSS

I/O3

I/O2

I/O1

32 - sTSOP

Type1 - Forward

2. Typical values are measured at Vcc=3.3V, T A=25

o C and not 100% tested.

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