HM628128ALT-8L datasheet(9/13 Pages) HITACHI

Part #	HM628128ALT-8L

Description	131,072-word X 8-bit High Speed CMOS Static RAM

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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9 / 13 page

Write Cycle

HM628128A

-5

-7

-8

-10

Parameter

Symbol

Min

Max

Min

Max

Min

Max

Min

Max

Unit

Notes

Write cycle time

tWC

55

—

70

—

85

—

100

—

ns

Chip selection to

tCW

50

—

60

—

75

—

80

—

ns

end of write

Address setup time

tAS

0—

ns

Address valid to

tAW

50

—

60

—

75

—

80

—

ns

end of write

Write pulse width

tWP

40

—

50

—

55

—

60

—

ns

Write recovery time

tWR

0—

ns

Write to output in

tWHZ

0

20

0

25

0

30

0

35

ns

10

high-Z

Data to write time

tDW

25

—

30

—

35

—

40

—

ns

overlap

Data hold from

tDH

0—

ns

write time

Output active from

tOW

5—

ns

10

end of write

9

HM628128A Series

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HM628128ALT-8L Datasheet(PDF) 9 Page - Hitachi Semiconductor

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