Datasheet > AK63264AW-30

AK63264AW-30

更新时间： 2024-01-22 07:46:15

品牌	Logo	应用领域
ACCUTEK		静态存储器
页数	文件大小	规格书
2页	68K
描述
SRAM

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AK63264AW-30 数据手册

AK63264AW

65,536 x 32 Bit CMOS/BiCMOS

Static Random Access Memory

ACCUTEK

MICROCIRCUIT CORPORATION

DESCRIPTION

The Accutek AK63264A SRAM Module consists of fast high

performance SRAMs mounted on a low height, 64 pin SIM or ZIP

Board. The module utilizes four 32 pin 64K x 8 SRAMs in 300 mil

SOJ packages and four decoupling capacitors mounted on the front

side of a printed circuit board.

Front View

The SRAMs used have common I/O functions and single output en-

able functions. Also, four separate chip select (CE) connections are

used to independently enable the four bytes. The modules can be

supplied in a variety of access time values from 12nSEC to 35nSEC

in CMOS or BiCMOS technology.

The Accutek module is designed to have a maximum seated height

of 0.600 inch to provide for the lowest height off the board. Each

conforms to JEDEC-standard sizes and pin-out configurations.

Using two pins for module density identification, PD₀and PD₁, mini-

mizes interchangeability and design considerations when changing

from one module size to the other in customer applications.

· Upward compatible with 128K x 32 (AK632128), 256K x 32

(AK632256),512K x 32 ( AK632512) and 1 Meg x 32

(AK6321024)

· TTL-compatible inputs and outputs

FEATURES

· Single 5 volt power supply - AK63264AW

· Single 3.3 volt power supply - AK63264AW/3.3

· Operating temperature range in free air, 0⁰to 70⁰C

· 65,536 x 32 bit organization

· JEDEC Standard 64 pin SIM or ZIP format

· Common I/O, single OE fucntions with four separate chip se-

lects (CE)

ELECTRICAL SPECIFICATIONS

Timing Diagrams and basic electrical characteristics are those of

the standard 64K x 8 SRAMs used to construct these modules.

Accutek’s module design allows the flexibility of selecting indus-

try-compatible 64K x 8 SRAMs from several semiconductor manu-

facturers.

· Low height, 0.600 inch maximum

· Presence Detect, PD₀and PD₁for identifying module density

· Downard compatible with 32K x 32 (AK63232W)

· Fast access to,es frp, 12nSEC

PIN NOMENCLATURE

PIN ASSIGNMENT

FUNCTIONAL DIAGRAM

PIN #

SYMBOL

Vss

PIN #

SYMBOL

PIN #

SYMBOL

CE4

PIN #

SYMBOL

A₀- A₁₅

CE₁- CE₄

DQ₁- DQ₃₂

Address Inputs

Chip Enable

Data In/Data Out

Output Enable

Presence Detect

Power Supply

Ground

PD0

PD1

DQ1

DQ9

DQ2

DQ10

DQ3

DQ11

DQ4

DQ12

Vcc

CE3

A11

DQ13

DQ5

DQ14

DQ6

DQ15

DQ7

DQ16

DQ8

Vss

A12

Vcc

PD₀- PD₁

Vcc

Vss

A13

DQ25

DQ17

DQ26

DQ18

DQ27

DQ19

DQ28

DQ20

DQ21

DQ29

DQ22

DQ30

DQ23

DQ31

DQ24

DQ32

Vss

Write Enable

No Connect

A15

MODULE OPTIONS

A14

CE2

CE1

Leadless SIM: AK63264AW

A10

PD₀= Open

PD₁= Vss

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