T14L256A datasheet(4/9 Pages) TMT

Part #	T14L256A

Description	32K X 8 HIGH SPEED CMOS STATIC RAM?

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Manufacturer	TMT [Taiwan Memory Technology]

Direct Link	http://www.tmtech.com.tw

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4 / 9 page

TE

CH

tm

T14L256A

Taiwan Memory Technology, Inc. reserves the right

P. 4

Publication Date: APR. 2001

to change products or specifications without notice.

Revision: E

AC CHARACTERISTICS

(Vcc =3.3V ± 5%, Vss = 0V, Ta = 0 to 70°C)

(1) READ CYCLE

T14L256A-8 T14L256A-10 T14L256A-12 T14L256A-1

5

PARAMETER

SYM.

MIN. MAX.

MIN.

MAX.

MIN.

MAX.

MIN. MAX.

UNIT

Read Cycle Time

tRC

8

-

10

-

12

-

15

-

ns

Address Access Time

tAA

-

8

-

10

-

12

-

15

ns

Chip Select Access Time

tACS

-

8

-

10

-

12

-

15

ns

Output Enable to Output Valid

tAOE

-

5

-

6

-

7

-

7

ns

Chip Selection to Output in Low Z

tCLZ*

3

-

3

-

3

-

3

-

ns

Output Enable to Output in Low Z

tOLZ

0

-

0

-

0

-

0

-

ns

Chip Deselection to Output in High Z

tCHZ*

-

4

-

5

-

6

0

7

ns

Output Disable to Output in High Z

tOHZ

-

4

-

5

-

6

0

7

ns

Output Hold from Address Change

tOH

2.5

-

3

-

3

-

3

-

ns

* These parameters are sampled but not 100% tested.

(2)WRITE CYCLE

T14L256A-8 T14L256A-10 T14L256A-12 T14L256A-15

PARAMETER

SYM.

MIN. MAX.

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

UNIT

Write Cycle Time

tWC

8

-

10

-

12

-

15

-

ns

Chip Selection to End of Write

tCW

6

-

8

-

10

-

11

-

ns

Address Valid to End of Write

tAW

6

-

8

-

10

-

11

-

ns

Address Setup Time

tAS

0

-

0

-

0

-

0

-

ns

Write Pulse Width

tWP

6

-

8

-

10

-

11

-

ns

Write Recovery Time

tWR

0

-

0

-

0

-

0

-

ns

Data Valid to End of Write

tDW

5

-

6

-

8

-

8

-

ns

Data Hold from End of Write

tDH

0

-

0

-

0

-

0

-

ns

Write to Output in High Z

tWHZ

-

4

-

5

-

6

-

6

ns

Output Disable to Output in High Z

tOHZ

-

4

-

5

-

6

-

7

ns

Output Active from End of Write

tOW

0

-

0

-

0

-

0

-

ns

* These parameters are sampled but not 100% tested.

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