P4C1048L

Page 6 of 12

Document # SRAM129 REV D

-70

Notes:

6.

CE and WE are LOW for WRITE cycle.

7.

OE is LOW for this WRITE cycle to show t

8. If

CE goes HIGH simultaneously with WE HIGH, the output remains in a high impedance state.

9. Write Cycle Time is measured from the last valid address to the first transitioning address.

AC CHARACTERISTICS - WRITE CYCLE

(Over Recommended Operating Temperature & Supply Voltage)

WRITE CYCLE NO. 1 (

WE

WE

WE

WE

Symbol

Parameter

Max

-100

Max

Unit

Min

Min

t

WC

t

CW

t

AS

t

WP

t

AH

t

DH

t

WZ

t

OW

Write Cycle Time

70

100

ns

Chip Enable Time

to End of Write

60

75

ns

Address Valid to

End of Write

60

75

ns

Address Set-up

Time

00

ns

Write Pulse Width

50

60

ns

Address Hold

Time

00

ns

Data Valid to End

of Write

35

45

ns

Data Hold Time

0

0

ns

Write Enable to

Output in High Z

25

35

ns

Output Active from

End of Write

55

ns

t

AW

t

DW

-55

Max

Min

55

40

40

0

40

0

30

0

20

5

-45

Max

Min

45

35

35

0

35

0

25

0

18

5