Datasheet > AK594096BSP-70

AK594096BSP-70

更新时间： 2024-09-17 23:28:23

品牌	Logo	应用领域
其他 - ETC		动态存储器
页数	文件大小	规格书
2页	79K
描述
x(8+1) Fast Page Mode DRAM Module

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中文翻译

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数据手册

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AK594096BSP-70 数据手册

Accutek

Microcircuit

Corporation

AK594096BS / AK594096BG

4,194,304 Word by 9 Bit CMOS

Dynamic Random Access Memory

Front View

30-Pin SIM

DESCRIPTION

The Accutek AK594096 high density memory module is a CMOS

random access memory organized in 4 Meg x 9 bit words. The as-

sembly consists of two 4 Meg x 4 and one 4 Meg x 1 DRAMs,

mounted on the front side of a printed circuit board in 30 pad SIM

(leadless) or 30 pin SIP (leaded) configuration with

JEDEC-standard pinouts. Designed especially for low-height appli-

cations such as VMEbus boards, this low profile module is 0.550

inch high.

30-Pin SIP

The operation is identical to nine 4 Meg x 1 DRAMs. For the lower

eight bits, data input is tied to data output and brought out sepa-

rately for each bit, with common RAS and CAS control. This com-

mon I/O feature dictates the use of early-write cycles to prevent

contention of data In and data out. Since the Write-Enable (WE)i

signal must always go low before CAS in a write cycle, Read-Write

and Read-Modify-Write operation is not possible. For the ninth bit,

data in (D₉) and data out (Q₉) pins are brought our separately and

controlled by a separate PCAS for that bit

· Power

1.450 Watt Max Active, 70 nSEC

1.610 Watt Max Active, 60 nSEC

16.5 mWatt Max Standy

FEATURES

· 4,194,304 x 9 bit organization

· Operating free air temperature 0⁰C to 70⁰C

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

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

· JEDEC standard pinout

· Downward compatible with AK591024 and AK59256

· Upward compatible with AK5916384

· Common CAS, RAS and WE for the lower eight bits

· CAS-before-RAS refresh

· Fast Page Mode and Static Column Mode versions available,

nibble mode is not possible

· Refresh cycle 2048 cycles in 32 mSEC

PIN NOMENCLATURE

PIN ASSIGNMENT

FUNCTIONAL DIAGRAM

A₀- A₁₀

RAS₀

CAS

Address Inputs

A₀- A₁₀

RAS

CAS

DQ1

DQ2

DQ3

DQ4

RAS

CAS

Vcc

CAS

DQ1

DQ5

Row Address Strobe

Column Address Strobe

Write Enable

Output Enable

Data In/Data Out

Data In

DQ1 +

DQ2

DQ3

DQ4

A10

DQ6

Vss

DQ7

DQ2

DQ₁- DQ₈

D₉

A₀- A₉

RAS

CAS

DQ1

DQ2

DQ3

DQ4

Vss

DQ3

DQ8

Q₉

Data Out

DQ5 +

DQ6

DQ7

DQ8

Vcc

5v Supply

RAS₀

DQ4

Vss

Ground

No Connect

Vcc

A₀- A₁₁

RAS

CAS

PCAS

MODULE OPTIONS

* WE

Leadless SIM: AK594096BS

Leaded SIP: AK594096BG

中文翻译

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与AK594096BSP-70相关器件

型号	品牌	获取价格	描述	数据表
AK594096D	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK594096G	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK594096S	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK594096W	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK594096Z	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK5964D	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK5964G	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK5964S	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK5964W	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory
AK5964Z	ACCUTEK	获取价格	262,144 X 8 Bit MOS Dynamic Random Access Memory

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