Datasheet > AK5321024BWP-60

AK5321024BWP-60

更新时间： 2024-01-25 23:48:08

品牌	Logo	应用领域
ACCUTEK		动态存储器
页数	文件大小	规格书
2页	71K
描述
DRAM Module, 1MX32, 60ns, CMOS, SIMM-72

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AK5321024BWP-60 数据手册

Accutek

Microcircuit

Corporation

AK5321024BW

1,048,576 Word by 32 Bit CMOS

Dynamic Random Access Memory

DESCRIPTION

The Accutek AK5321024BW high density memory module is a

CMOS dynamic RAM organized in 1024K x 32 bit words. The mod-

ule consists of two standard 1 Meg x 16 bits DRAMs in plastic SOJ

packages mounted on the front side of a printed circuit board in a 72

pad leadless SIM configuration.

This configuration allows socket-mounting of large quantities of

memory in applications where high density and ease of inserting ad-

ditional memory are important.

The operation of the AK5321024BW is identical to eight 1 Meg x 4

Drams. There are four CAS lines and two RAS lines. On each bank

of 1M x 32, independent byte control is accomplished by four CAS

lines. Each seperate CAS line controls one byte of the 1 Meg x 16

Dram.

FEATURES

· Power:

2.0 Watt Max Active (50nS)

1.7 Watt Max Active (60 nS)

1.6 Watt Max Active (70 nS)

20 mW Max Standby

· 1,048,576 x 32 bit organization

· 72 pad Single In-Line Module

· Standard with gold fingers, solder or tin plating optional

· CAS-before-RAS, RAS-only or hidden refresh

· Operating free air temperature 0⁰C to 70⁰C

· Single 5 Volt Power Supply

· Downward compatible with AK532512W and AK532256W

· Upward compatible with AK5322048W, AK5324096W and

AK5328192W

ADDITIONAL OPTIONS AVAILABLE

· 1024 Refresh Cycles, 16 mSEC

· 1 Meg x 36 version, AK5361024BW

· 2 Meg x 32 version, AK5322048BW

· 2 Meg x 36 version, AK5362048BW

· Available in Fast Page Mode or EDO

PIN NOMENCLATURE

PIN ASSIGNMENT

A₀- A₉

Address Inputs

PIN #

SYMBOL

Vss

PIN #

SYMBOL

PIN #

SYMBOL

PIN #

SYMBOL

DQ12

DQ30

DQ13

DQ31

Vcc

DQ₀- DQ₃₄

Data In/Data Out

Write Enable

DQ0

DQ18

DQ1

DQ19

DQ2

DQ20

DQ3

DQ21

Vcc

DQ4

DQ22

DQ5

DQ23

DQ6

DQ24

DQ7

DQ25

Vss

CAS0

CAS2

CAS3

CAS1

RAS0

RAS₀, RAS₂

CAS₀- CAS₃

PD₁- PD₄

Vss

Row Address Strobe

Column Address Strobe

Presence Detect

Ground

DQ32

DQ14

DQ33

DQ15

DQ34

DQ16

Vcc

5v Supply

Vcc

DQ9

DQ27

DQ10

DQ28

DQ11

DQ29

PD1

No Connect

PD2

PD3

RAS2

PD4

MODULE OPTIONS

Vss

Leadless SIM: AK5321024BW

Leades ZIP: AK5321024BZ

Presence Detect

-50

-60

-70

PD1

PD2

PD3

PD4

Vss

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