LY61L2568UV datasheet(3/11 Pages) LYONTEK

Part #	LY61L2568UV

Description	256K X 8 BIT HIGH SPEED CMOS SRAM

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Manufacturer	LYONTEK [Lyontek Inc.]

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

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LY61L2568

Rev. 0.4

256K X 8 BIT HIGH SPEED CMOS SRAM

Lyontek Inc. reserves the rights to change the specifications and products without notice.

5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.

TEL: 886-3-6668838

FAX: 886-3-6668836

2

®

FUNCTIONAL BLOCK DIAGRAM

DECODER

I/O DATA

CIRCUIT

CONTROL

CIRCUIT

256Kx8

MEMORY ARRAY

COLUMN I/O

A0-A17

Vcc

Vss

DQ0-DQ7

CE#

WE#

OE#

PIN DESCRIPTION

SYMBOL

DESCRIPTION

A0 - A17

Address Inputs

DQ0 – DQ7

Data Inputs/Outputs

CE#

Chip Enable Inputs

WE#

Write Enable Input

OE#

Output Enable Input

VCC

Power Supply

VSS

Ground

NC

No Connection

PIN CONFIGURATION

A3

A4

NC

A8

A0

CE#

DQ0

Vcc

Vss

NC

A15

OE#

DQ6

DQ7

DQ5

Vss

Vcc

DQ4

A9

DQ1

DQ2

TSOP-II

28

14

13

12

11

10

9

8

7

6

5

4

3

2

1

17

16

15

20

19

18

22

23

24

25

26

27

21

A14

A2

WE#

A17

NC

A12

NC

DQ3

A10

A13

NC

A11

34

29

30

31

32

33

44

39

40

41

42

43

35

36

37

38

NC

A1

A16

A7

A6

A5

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