LP62S16256EU-55LLT datasheet(2/15 Pages) AMICC

Part #	LP62S16256EU-55LLT

Description	256K X 16 BIT LOW VOLTAGE CMOS SRAM

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Manufacturer	AMICC [AMIC Technology]

Direct Link	http://www.amictechnology.com

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LP62S16256E-T Series

256K X 16 BIT LOW VOLTAGE CMOS SRAM

(January, 2002, Version 2.0)

2

AMIC Technology, Inc.

Features

n Operating voltage: 2.7V to 3.6V

n Access times: 55ns / 70ns (max.)

n Current:

Very low power version: Operating: 40mA (max.)

Standby:

10

µA (max.)

n Full static operation, no clock or refreshing required

n All inputs and outputs are directly TTL-compatible

n Common I/O using three-state output

n Data retention voltage: 2.0V (min.)

n Available in 44-pin TSOP and 48-ball CSP (6 ×8mm)

packages

General Description

The LP62S16256E-T is a low operating current 4,194,304-

bit static random access memory organized as 262,144

words by 16 bits and operates on low power voltage from

2.7V to 3.3V. It is built using AMIC's high performance

CMOS process.

Inputs and three-state outputs are TTL compatible and

allow for direct interfacing with common system bus

structures.

The chip enable input is provided for POWER-DOWN,

device enable. Two byte enable inputs and an output

enable input are included for easy interfacing.

Data retention is guaranteed at a power supply voltage as

low as 2.0V.

Product Family

Power Dissipation

Product Family

Operating

Temperature

VCC

Range

Speed

Data Retention

(ICCDR, Typ.)

Standby

(ISB1, Typ.)

Operating

(ICC2, Typ.)

Package

Type

LP62S16256E-T

-25

°C ~ +85°C

2.7V~3.6V

55ns / 70ns

0.08

µA

0.3

µA

5mA

44L TSOP

48B CSP

1. Typical values are measured at VCC = 3.0V, TA = 25

°C and not 100% tested.

2. Data retention current VCC = 2.0V.

Pin Configurations

n

n TSOP

n

n CSP (Chip Size Package)

48-pin Top View

I/O9

I/O10

GND

VCC

I/O15

I/O16

NC

A8

NC

A9

A12

A10

A11

NC

A13

A14

A15

I/O8

I/O7

I/O3

I/O1

GND

VCC

A0

A3

A5

A6

A4

A1

A2

NC

6

5

4

3

2

1

A

B

C

D

E

F

G

H

I/O14

I/O13

I/O12

I/O11

A17

NC

A7

A16

I/O2

I/O4

I/O5

I/O6

LB

HB

WE

OE

CE

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

A3

A2

A1

A0

CE

I/O1

I/O2

I/O3

I/O4

VCC

GND

I/O5

I/O6

I/O7

I/O8

WE

A17

A16

A15

A14

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

A11

A10

A9

A8

NC

I/O9

I/O10

I/O11

I/O12

VCC

GND

I/O13

I/O14

I/O15

I/O16

LB

HB

OE

A7

A6

A13

A5

A4

A12

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