AS4C1M16F5 Ver la hoja de datos (PDF) - Alliance Semiconductor

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AS4C1M16F5

5V 1M×16 CMOS DRAM (fast-page mode)

Alliance Semiconductor 

AS4C1M16F5

Fast page mode cycle

Symbol

tCPA

tRASP

tPC

tCP

tPCM

tCRW

Parameter

Access time from CAS precharge

RAS pulse width

Read-write cycle time

CAS precharge time (fast page)

Fast page mode RMW cycle

Page mode CAS pulse width (RMW)

Output enable

Symbol

tCLZ

tROH

tOEA

tOED

tOEZ

tOEH

tOLZ

tOFF

Parameter

CAS to output in Low Z

RAS hold time referenced to OE

OE access time

OE to data delay

Output buffer turnoff delay from OE

OE command hold time

OE to output in Low Z

Output buffer turn-off time

®

-50

Min Max

–

28

50 100K

30

–

10

–

80

–

54

–

-60

Min Max

–

35

60 100K

35

–

10

–

85

–

60

–

Unit Notes

ns 13

ns

ns

ns

ns

ns

-50

Min Max

0

–

8

–

–

13

13

–

0

13

10

–

0

–

0

13

-60

Min Max

0

–

10

–

–

15

15

–

0

15

10

–

0

–

0

15

Unit Notes

ns 8

ns

ns

ns

ns 8

ns

ns

ns 8,10

4/11/01; v.0.9.1

Alliance Semiconductor

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