Advance Information

The specifications of this device are subject to change without notice. For latest documentation see http://www.emlsi.com.

22

RMS132AW

Table13: AC Characteristic (AC operation conditions unless otherwise noted)

1.2

0.5

1.2

0.5

1.2

0.5

tT

Transition time

5

70

67.5

66

tXSR

Exit SELF REFRESH to ACTIVE command

5

ns

70

67.5

66

tRFC

AUTO REFRESH period

ms

64

64

64

tREF

Refresh period (4,096 rows)

9

1

1

1

tPED

CKE to clock enable or power-down exit

setup mode

9

CLK

1

1

1

tCKED

CKE to clock disable or power-down entry

mode

1

1

2

3

2

0

2

37.5

15

0

1

22.5

15

67.5

22.5

45

1.8

2.5

1.0

1.0

2.0

1.0

2.0

1.0

2.0

1.0

2.0

2.5

2.5

10

7.5

Min

-75

100K

8

6

8

6

1000

Max

40

6

1

1

tBDL

Last data-in to burst STOP command

6

1

1

tCDL

Last data-in to new READ/WRITE command

CL = 2

CL = 3

2

2

tROH2

8

2

2

tMRD

LOAD MODE REGISTER command to ACTIVE

or REFRESH command

6

0

0

tDQM

DQM to data mask during WRITEs

6

CLK

2

2

tDQZ

DQM to data high-impedance during READs

7

ns

20

12

tDPL

Data-in to PRECHARGE command

7

30

tDAL

Data-in to ACTIVE command

6

0

0

tDWD

WRITE command to input data delay

6

CLK

1

1

tCCD

READ/WRITE command to READ/WRITE

command

20

12

tRRD

ACTIVE bank a to ACTIVE bank b command

24

18

tRP

PRECHARGE command period

2.0

1.5

tDS

Data-In Setup Time

2.0

1.5

tAS

Address Setup Time

2.0

1.5

tCMS

/CS, /RAS, /CAS, /WE, DQM Setup Time

2.0

1.5

tCKS

CKE Setup Time

1.0

1.0

tCMH

/CS, /RAS, /CAS, /WE, DQM Hold Time

1.0

1.0

tCKH

CKE Hold Time

3

2.5

2.5

tCH

CLK High-Level Width

3

2.5

2.5

tCL

CLK Low-Level Width

3

18

60

42

1.8

2.5

1.0

1.0

1.0

10

6.0

Min

-60

100K

8

5.5

8

5.5

1000

Max

Max

Min

1

ns

1000

10

tCK3

CL = 3

CLK Cycle Time

10

tCK2

CL = 2

20

tRCD

ACTIVE to READ or WRITE delay

6

3

tROH3

Data-out to high-impedance from

PRECHARGE command

5

64

tRC

ACTIVE bank a to ACTIVE bank a command

8

CL = 2

CL = 3

4

8

tHZ3

Data-Out High-Impedance Time

from CLK (pos.edge)

tHZ2

1.0

tLZ

Data-Out Low-Impedance Time

2.5

tOH

Data-Out Hold Time (load)

1.8

tOHN

Data-Out Hold Time (no load)

1.0

tDH

Data-In Hold Time

100K

40

tRAS

ACTIVE to PRECHARGE command

1.0

tAH

Address Hold Time

8

tAC2

CL = 2

CL = 3

2

8

tAC3

Access time from CLK (pos. edge)

-10

Note

Unit

Sym

Parameter