P4C1981L-45DI datasheet(7/13 Pages) PYRAMID

Part #	P4C1981L-45DI

Description	ULTRA HIGH SPEED 16K x 4 CMOS STATIC RAMS

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Manufacturer	PYRAMID [Pyramid Semiconductor Corporation]

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P4C1981/1981L, P4C1982/1982L

Page 7 of 13

Document # SRAM114 REV B

WRITE CYCLE NO. 2 (WE

WE

WE CONTROLLED)(13,14)

1520 08

WRITE CYCLE NO. 3 (CE

CE

1, CE

CE

2 CONTROLLED)

(11,12)

Notes:

12. CE (CE

1, CE2) and WE must be LOW for WRITE cycle.

13. OE is LOW for WRITE cycle.

14. If CE

1 or CE2 goes HIGH simultaneously with WE HIGH, the

output remains in a high impedance state.

15. Write Cycle Time is measured from the last valid address to the

first transitioning address.

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