Datasheet > AK584096BS_09

AK584096BS_09

更新时间： 2024-11-09 12:55:55

品牌	Logo	应用领域
ACCUTEK		存储
页数	文件大小	规格书
2页	72K
描述
Dynamic Random Access Memory

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中文翻译

获取价格

数据手册

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AK584096BS_09 数据手册

AK584096BS / AK584096BG

4,194,304 Word by 8 Bit CMOS

Dynamic Random Access Memory

ACCUTEK

DESCRIPTION

Front View

30-Pin SIM

The Accutek AK584096 high density memory module is a CMOS

dynamic RAM organized in 4 Meg x 8 bit words. The assembly con-

sists of two 4 Meg x 4 DRAMS, mounted on the front side of a printed

circuit board in 30 pad SIM (leadless) or 30 pin SIP (leaded) configu-

ration with JEDEC-standard pinouts. Designed especially for

low-height applications such as VMEbus boards, this low profile

module is 0.550 inch high.

30-Pin SIP

The operation is identical to eight 4 Meg x 1 DRAMs. The data in-

put/output is brought out separatelyfor each bit, with common RAS ,

CAS and WE control. This common I/O feature dictates the use of

early-write cycles to prevent contention of Data In and Data Out.

Since the Write-Enable (WE) signal must alwaysgo low before CAS

in a write cycle, Read-Write and Read-Modify-Write operation is not

possible.

FEATURES

· 4,194,304 x 8 bit organization

· Power

· Low Profile 30 pad (SIM) Single In-Line Memory

· Low Profile 30 pin (SIP) Single In-Line package

· JEDEC standard pinout

0.095 Watt Max Active, 70 nSEC

1.060 Watt Max Active, 60 nSEC

11.0 mWatt Max Standy

· Operating free air temperature 0⁰C to 70⁰C

· Common CAS and RAS control for eight common DQ Lines

· CAS-before-RAS refresh

· Downward compatible with AK581024 and AK58256

· Upward compatible with AK5816384

· Refresh cycle 2048 cycles in 32 mSEC

· Fast Page Mode and Static Column Mode versions available,

nibble mode is not possible

PIN NOMENCLATURE

PIN ASSIGNMENT

FUNCTIONAL DIAGRAM

n #

A₀- A₁₀

RAS₀

CAS

Address Inputs

Symbol

n #

Row Address Strobe

Column Address Strobe

Write Enable

Vcc

CAS

DQ1

DQ5

A10

DQ6

Vss

DQ7

Output Enable

Data In/Data Out

5v Supply

DQ2

DQ₁- DQ₈

Vcc

Vss

DQ3

Vss

Ground

DQ8

No Connect

RAS₀

DQ4

MODULE OPTIONS

Vcc

Leadless SIM: AK584096BS

Leaded SIP: AK584096BG

中文翻译

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