EM640FP16 datasheet(2/11 Pages) EMLSI

2 / 11 page

EM640FP16 Series

Low Power, 256Kx16 SRAM

123456

CS2

I/O9

CS1

I/O1

I/O10 I/O11

I/O2

I/O3

VSS

I/O12

A17

I/O4

VCC

VCC I/O13 DNU

A16

I/O5

VSS

I/O15 I/O14

A14

A15

I/O6

I/O7

I/O16 DNU

A12

A13

I/O8

DNU

A10

A11

DNU

FEATURES

• Process Technology : 0.18

µm Full CMOS

• Organization : 256K x 16 bit

• Power Supply Voltage : 1.65V ~ 2.2V

• Low Data Retention Voltage : 1.0V(Min.)

• Three state outputs

• Package Type : 48-FPBGA 6.0x7.0

GENERAL DESCRIPTION

The EM640FP16 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)

EM640FP16

Industrial (-40 ~ 85oC)

1.65~2.2V

70ns1)

µA

2 mA

48-FPBGA

(6.0x7.0)

Name

Function

Name

Function

CS1,CS2 Chip select inputs

Vcc

Power Supply

Output Enable input

Vss

Ground

Write Enable input

Upper Byte (I/O9~16)

A0~A17

Address Inputs

Lower Byte (I/O1~8)

I/O1~I/O16 Data Inputs/outputs

DNU

Do Not Use

I/O Circuit

Column Select

Data

Cont

Data

Cont

Pre-charge Circuit

Memory Array

2048 x 2048

A11 A12 A13 A14 A15 A16 A17

CS2

I/O1 ~ I/O8

I/O9 ~ I/O16

VCC

Control Logic

FUNCTIONAL BLOCK DIAGRAM

A10

PIN DESCRIPTION

48-FPBGA : Top view (ball down)

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

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