WCMA2008U1B Datasheet, PDF(7/11 Page) List of Unclassifed Manufacturers

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WCMA2008U1B Datasheet, PDF (7/11 Pages) List of Unclassifed Manufacturers – 256K x 8 Static RAM

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Switching Waveforms (continued)

Write Cycle No. 1 (WE Controlled)[8, 12, 14]

ADDRESS

CE1

tWC

tS C E

CE2

tAW

tSA

tPWE

DATA I/O

NOTE 13

tHZOE

tSD

DATAIN VALID

WCMA2008U1B

tHA

tH D

[8, 12, 14]

Write Cycle No. 2 (CE1 or CE2 Controlled)

tWC

ADDRESS

CE1

tS C E

tS A

CE2

tAW

tH A

tPWE

DATA I/O

tSD

tHD

DATAIN VALID

Notes:

12. Data I/O is high impedance if OE = VIH .

13. During this period, the I/Os are in output state and input signals should not be applied.

14. If CE1 goes HIGH or CE2 goes LOW simultaneously with WE HIGH, the output remains in a high-impedance state.

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