KM68V257ELI-20 datasheet(6/8 Pages) SAMSUNG

部件名	KM68V257ELI-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

- 6 -

August 1998

NOTES(READ CYCLE)

1. WE is high for read cycle.

2. All read cycle timing is referenced from the last valid address to the first transition address.

3. tHZ and tOHZ are defined as the time at which the outputs achieve the open circuit condition and are not referenced to VOH or VOL

levels.

4. At any given temperature and voltage condition, tHZ(Max.) is less than tLZ(Min.) both for a given device and from device to

device.

5. Transition is measured

±200mV from steady state voltage with Load(B). This parameter is sampled and not 100% tested.

6. Device is continuously selected with CS=VIL.

7. Address valid prior to coincident with CS transition low.

8. For common I/O applications, minimization or elimination of bus contention conditions is necessary during read and write cycle.

TIMING WAVEFORM OF WRITE CYCLE(1) (OE= Clock)

Address

CS

tWP(2)

tDW

tDH

Valid Data

WE

Data in

Data out

tWC

tWR(5)

tAW

tCW(3)

High-Z(8)

High-Z

OE

tOHZ(6)

tAS(4)

TIMING WAVEFORM OF WRITE CYCLE(2) (OE=Low Fixed)

Address

CS

tWP1(2)

tDW

tDH

tOW

tWHZ(6)

Valid Data

WE

Data in

Data out

tWC

tAS(4)

tWR(5)

tAW

tCW(3)

(10)

(9)

High-Z(8)

High-Z

类似零件编号 - KM68V257ELI-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.
	KM68V257C-15	197Kb / 9P	32Kx8 Bit High Speed Static RAM(3.3V Operating), Evolutionary Pin out.
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制造商	部件名	数据表	功能描述
Samsung semiconductor	K6E0808C1C-C	168Kb / 8P	32Kx8 Bit High Speed CMOS Static RAM
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KM68V257ELI-20 数据表(PDF) 6 Page - Samsung semiconductor

KM68V257ELI-20 数据表(HTML) 6 Page - Samsung semiconductor

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KM68V257ELI-20 数据表(PDF) 6 Page - Samsung semiconductor

KM68V257ELI-20 数据表(HTML) 6 Page - Samsung semiconductor

类似零件编号 - KM68V257ELI-20

类似说明 - KM68V257ELI-20

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