KM68V257E-20 datasheet(4/8 Pages) SAMSUNG

部件名	KM68V257E-20

功能描述	32Kx8 Bit High-Speed CMOS Static RAM (3.3V Operating)

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制造商	SAMSUNG [Samsung semiconductor]

网页	http://www.samsung.com/Products/Semiconductor

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KM68V257E/EL, KM68V257EI/ELI

CMOS SRAM

Revision 0.0

- 4 -

August 1998

TEST CONDITIONS

NOTE : The above test conditions are also applied at industrial temperature range.

Parameter

Value

Input Pulse Levels

0V to 3V

Input Rise and Fall Times

3ns

Input and Output timing Reference Levels

1.5V

Output Loads

See below

AC CHARACTERISTICS(TA=0 to 70

°C, VCC=3.3±0.3V, unless otherwise noted.)

Output Loads(B)

DOUT

5pF*

319

Ω

353

Ω

for tHZ, tLZ, tWHZ, tOW, tOLZ & tOHZ

+3.3V

* Including Scope and Jig Capacitance

Output Loads(A)

DOUT

RL = 50

Ω

ZO = 50

Ω

VL = 1.5V

30pF*

* Capacitive Load consists of all components of the

test environment.

READ CYCLE

NOTE : The above parameters are also guaranteed at industrial temperature range

.

Parameter

Symbol

KM68V257E-12

KM68V257E-15

KM68V257E-20

Unit

Min

Max

Min

Max

Min

Max

Read Cycle Time

tRC

12

-

15

-

20

-

ns

Address Access Time

tAA

-

12

-

15

-

20

ns

Chip Select to Output

tCO

-

12

-

15

-

20

ns

Output Enable to Valid Output

tOE

-

6

-

7

-

8

ns

Chip Enable to Low-Z Output

tLZ

3

-

3

-

3

-

ns

Output Enable to Low-Z Output

tOLZ

0

-

0

-

0

-

ns

Chip Disable to High-Z Output

tHZ

0

6

0

7

0

8

ns

Output Disable to High-Z Output

tOHZ

0

6

0

7

0

8

ns

Output Hold from Address Change

tOH

3

-

3

-

3

-

ns

Chip Selection to Power Up Time

tPU

0

-

0

-

0

-

ns

Chip Selection to Power DownTime

tPD

-

12

-

15

-

20

ns

类似零件编号 - KM68V257E-20

制造商	部件名	数据表	功能描述
Samsung semiconductor	KM68V257C	197Kb / 9P	32Kx8 Bit High Speed Static RAM(3.3V Operating), Evolutionary Pin out.
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	KM68V257C-17	197Kb / 9P	32Kx8 Bit High Speed Static RAM(3.3V Operating), Evolutionary Pin out.

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类似说明 - KM68V257E-20

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More results

KM68V257E-20 数据表(PDF) 4 Page - Samsung semiconductor

KM68V257E-20 数据表(HTML) 4 Page - Samsung semiconductor

类似零件编号 - KM68V257E-20

类似说明 - KM68V257E-20

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1 2 3 4 5 6 7 8

数据表下载

链接网址

KM68V257E-20 数据表(PDF) 4 Page - Samsung semiconductor

KM68V257E-20 数据表(HTML) 4 Page - Samsung semiconductor

类似零件编号 - KM68V257E-20

类似说明 - KM68V257E-20

Html Pages

1 2 3 4 5 6 7 8

数据表 下载

链接网址

数据表下载