HANBit

HMD8M32M16

URL:www.hbe.co.kr

HANBit Electronics Co.,Ltd.

REV.1.0 (August.2002)

5

Row address set-up time

0

0

ns

Row address hold time

10

10

ns

Column address set-up time

0

0

ns

Column address hold time

15

15

ns

Column address hold referenced to /RAS

50

55

ns

Column Address to /RAS lead time

30

35

ns

Read command set-up time

0

0

ns

Read command hold referenced to /CAS

0

0

ns

Read command hold referenced to /RAS

0

0

ns

Write command hold time

15

15

ns

Write command hold referenced to /RAS

50

55

ns

Write command pulse width

15

15

ns

Write command to /RAS lead time

15

20

ns

Write command to /CAS lead time

15

20

ns

Data-in set-up time

0

0

ns

Data-in hold time

15

15

ns

Data-in hold referenced to /RAS

50

55

ns

Refresh period

16

16

ns

Write command set-up time

0

0

ns

/CAS setup time (C-B-R refresh)

10

10

ns

/CAS hold time (C-B-R refresh)

15

15

ns

/RAS precharge to /CAS hold time

5

5

ns

Access time from /CAS precharge

35

40

ns

Fast page mode cycle time

40

45

ns

/CAS precharge time (Fast page)

10

10

ns

/RAS pulse width (Fast page )

60

100K

70

100K

ns

/W to /RAS precharge time (C-B-R refresh)

10

10

ns

/W to /RAS hold time (C-B-R refresh)

10

10

ns

/CAS precharge(C-B-R counter test)

20

30

ns

NOTES

µs is required after power-up followed by any 8 /RAS-only or /CAS-before-/RAS refresh cycles

before proper device operation is achieved.