Datasheet > K4E660811D-JC500

K4E660811D-JC500

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
三星 - SAMSUNG		动态存储器光电二极管
页数	文件大小	规格书
21页	413K
描述
EDO DRAM, 8MX8, 50ns, CMOS, PDSO32, SOJ-32

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K4E660811D-JC500 数据手册

K4E660811D,K4E640811D

CMOS DRAM

8M x 8bit CMOS Dynamic RAM with Extended Data Out

DESCRIPTION

This is a family of 8,388,608 x 8 bit Extended Data Out Mode CMOS DRAMs. Extended Data Out Mode offers high speed random

access of memory cells within the same row. Refresh cycle(4K Ref. or 8K Ref.), access time (-50 or -60), package type (SOJ or TSOP-

II) are optional features of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities.

This 8Mx8 EDO Mode DRAM family is fabricated using Samsung¢s advanced CMOS process to realize high band-width, low power con-

sumption and high reliability.

FEATURES

• Extended Data Out Mode operation

• Part Identification

- K4E660811D-JC(5.0V, 8K Ref., SOJ)

- K4E640811D-JC(5.0V, 4K Ref., SOJ)

- K4E660811D-TC(5.0V, 8K Ref., TSOP)

- K4E640811D-TC(5.0V, 4K Ref., TSOP)

• CAS-before-RAS refresh capability

• RAS-only and Hidden refresh capability

• Fast parallel test mode capability

• TTL(5.0V) compatible inputs and outputs

• Early Write or output enable controlled write

• JEDEC Standard pinout

• Active Power Dissipation

• Available in Plastic SOJ and TSOP(II) packages

• +5.0V±10% power supply

Unit : mW

Speed

-50

495

440

660

605

-60

• Refresh Cycles

FUNCTIONAL BLOCK DIAGRAM

Part

NO.

Refresh

cycle

Refresh time

Normal

RAS

CAS

Vcc

Vss

K4E660811D*

K4E640811D

64ms

Control

Clocks

VBB Generator

* Access mode & RAS only refresh mode

: 8K cycle/64ms

CAS-before-RAS & Hidden refresh mode

: 4K cycle/64ms

Row Decoder

Refresh Timer

Refresh Control

Data in

Buffer

Memory Array

8,388,608 x 8

Cells

DQ0

DQ7

Refresh Counter

Row Address Buffer

Col. Address Buffer

• Performance Range

Speed

Data out

Buffer

tRAC

50ns

60ns

tCAC

13ns

15ns

tRC

tHPC

20ns

25ns

A0~A12

(A0~A11)*1

-50

-60

84ns

104ns

A0~A9

(A0~A10)*1

Column Decoder

Note) *1 : 4K Refresh

SAMSUNG ELECTRONICS CO., LTD. reserves the right to

change products and specifications without notice.

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