CY62256VNLL(2011) 查看數據表（PDF） - Cypress Semiconductor

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CY62256VNLL
(Rev.:2011)

256K (32K × 8) Static RAM

Cypress Semiconductor 

CY62256VN

Typical DC and AC Characteristics (continued)

TYPICAL ACCESS TIME CHANGE

vs. OUTPUT LOADING

30.0

25.0 TA = 25C

VCC = 3V

20.0

15.0

10.0

5.0

0.0

0

200 400 600 800 1000

CAPACITANCE (pF)

NORMALIZED ICC vs. CYCLE TIME

1.25

VCC = 3.0V

1.00

0.75

TA = 25C

VIN = 0.5V

0.50

1

10

20

30

CYCLE FREQUENCY (MHz)

Truth Table

CE

WE

H

X

L

H

L

L

L

H

OE

Inputs/Outputs

X High Z

L Data Out

X Data In

H High Z

Mode

Deselect/power down

Read

Write

Deselect, output disabled

Power

Standby (ISB)

Active (ICC)

Active (ICC)

Active (ICC)

Document Number: 001-06512 Rev. *D

Page 10 of 14

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