KM641001A-20 datasheet(1/8 Pages) SAMSUNG

Il numero della parte	KM641001A-20

Spiegazioni elettronici	256Kx 4 High Speed Static RAM(5V Operating), Evolutionary Pin Out Operated at Commercial Temperature Range

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Produttore elettronici	SAMSUNG [Samsung semiconductor]

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

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KM641001A

CMOS SRAM

PRELIMINARY

Rev 5.0

- 1 -

February 1998

Document Title

256Kx 4 High Speed Static RAM(5V Operating), Evolutionary Pin Out.

Operated at Commercial Temperature Range.

Revision History

The attached data sheets are prepared and approved by SAMSUNG Electronics. SAMSUNG Electronics CO., LTD. reserve the right to change the

specifications. SAMSUNG Electronics will evaluate and reply to your requests and questions on the parameters of this device. If you have any questions,

please contact the SAMSUNG branch office near your office, call or contact Headquarters.

Rev. No.

Rev. 0.0

Rev. 1.0

Rev. 2.0

Rev. 3.0

Rev. 4.0

Rev. 5.0

Remark

Design Target

Preliminary

Final

History

Initial release with Design Target.

Release to Preliminary Data Sheet.

1.1. Replace Design Target to Preliminary

Release to final Data Sheet.

2.1. Delete Preliminary

Update D.C and A.C parameters.

3.1. Update D.C parameters

3.2. Update A.C parameters

Update D.C and A.C parameters

4.1. Update D.C and A.C parameters.

4.2. Add the test condition for VOH1 with VCC=5V

±5% at 25°C

4.3. Add timing diagram to define tWP as

″(Timing Wave Form of

Write Cycle(CS=Controlled)

″

5.1. Delete 17ns Part

Items

Previous spec.

(15/17/20ns part)

Updated spec.

(15/17/20ns part)

Icc

190/180/170mA

145/145/140mA

Isb

30mA

25mA

Isb1

10mA

8mA

Items

Previous spec.

(15/17/20ns part)

Updated spec.

(15/17/20ns part)

tCW

12/12/13ns

10/11/12ns

tAW

12/12/13ns

10/11/12ns

tWP1(OE=H)

12/12/13ns

10/11/12ns

tDW

8/9/10ns

7/8/9ns

Items

Previous spec.

(15/17/20ns part)

Updated spec.

(15/17/20ns part)

Icc

145/145/140mA

125/125/120mA

tOW

3/4/5ns

3/3/3ns

Draft Data

Jan. 18th, 1995

Apr. 22th, 1995

Feb. 29th, 1996

Jul. 16th, 1996

Jun. 2nd, 1997

Feb. 25th, 1998

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