Datasheet > IS41C44002-50JI

IS41C44002-50JI

更新时间： 2024-02-11 05:02:51

品牌	Logo	应用领域
美国芯成 - ISSI		/
页数	文件大小	规格书
19页	159K
描述
4M x 4 (16-MBIT) DYNAMIC RAM WITH EDO PAGE MODE

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IS41C44002-50JI 数据手册

IS41C4400X

IS41LV4400X SERIES

4M x 4 (16-MBIT) DYNAMIC RAM

WITH EDO PAGE MODE

ISSI

JUNE, 2001

FEATURES

DESCRIPTION

•

Extended Data-Out (EDO) Page Mode access cycle

The ISSI 4400 Series is a 4,194,304 x 4-bit high-performance

CMOS Dynamic Random Access Memory. These

devices offer an accelerated cycle access called EDO

Page Mode. EDO Page Mode allows 2,048 or 4096

random accesses within a single row with access cycle

time as short as 20 ns per 4-bit word.

• TTL compatible inputs and outputs

• Refresh Interval:

– 2,048 cycles/32 ms

– 4,096 cycles/64 ms

• Refresh Mode: RAS-Only,

These features make the 4400 Series ideally suited for

high-bandwidth graphics, digital signal processing,

high-performance computing systems, and peripheral

applications.

CAS-before-RAS (CBR), and Hidden

• Single power supply:

– 5V 10ꢀ or 3.3V 10ꢀ

• Byte Write and Byte Read operation via two CAS

• Industrial temperature range -40°C to 85°C

The 4400 Series is packaged in a 24-pin 300-mil SOJ with

JEDEC standard pinouts.

KEY TIMING PARAMETERS

PRODUCT SERIES OVERVIEW

Parameter

RASAccessTime(tRAC

-50

-60

Unit

Part No.

Refresh

Voltage

5V 10ꢀ

3.3V 10ꢀ

)

IS41C44002

IS41C44004

IS41LV44002

IS41LV44004

CASAccessTime(tCAC

ColumnAddressAccessTime(tAA

)

EDO Page Mode Cycle Time (tPC

)

Read/WriteCycleTime(tRC

)

104

PIN CONFIGURATION

24 Pin SOJ

PIN DESCRIPTIONS

A0-A11

A0-A10

I/O0-3

Address Inputs (4K Refresh)

Address Inputs (2K Refresh)

Data Inputs/Outputs

Write Enable

VCC

I/O0

GND

I/O3

I/O2

CAS

I/O1

RAS

Output Enable

*A11(NC)

RAS

CAS

Vcc

Row Address Strobe

Column Address Strobe

Power

A10

GND

Ground

VCC

GND

No Connection

* A11 is NC for 2K Refresh devices.

ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any

Integrated Silicon Solution, Inc. — 1-800-379-4774

Rev. D

06/24/01

12 3 4 5 6 7...19

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