King Billion Electronics Co., Ltd

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SF23C4000

August 27, 2003

Page 5 of 6

V1.1

This specification is subject to change without notice. Please contact sales person for the latest version before use.

Pad No.

Pad Name X Coord.

Y Coord.

Pad No.

Pad Name X Coord.

Y Coord.

1

A7

108.33

2431.75

21

Q5

2058.62

109.14

2

A6

108.33

2244.31

22

Q6

2245.78

109.14

3

A5

108.33

2057.03

23

Q7

2745.87

105.79

4

A4

108.33

1869.59

24

CEN

2745.87

229.55

5

NC

108.33

1682.36

25

A10

2745.87

355.17

6

NC

108.33

1494.92

26

OEN

2745.87

480.32

7

NC

108.33

1307.74

27

A11

2759.48

1365.83

8

NC

108.33

1119.34

28

A9

2759.48

1491.74

9

A3

108.33

932.17

29

A8

2759.48

1617.63

10

A2

108.33

744.73

30

A13

2748.87

2427.92

11

A1

108.33

557.45

31

A14

2748.87

2555.13

12

A0

108.33

370.01

32

A17

2107.66

2566.92

13

Q0

108.33

182.72

33

A18

1920.22

2566.92

14

Q1

395.97

109.14

34

VDD

1578.76

2513.72

15

Q2

583.13

109.14

35

VDD

1404.34

2513.72

16

VSS

997.39

220.71

36

VDD

1229.92

2513.72

17

VSS

1242.34

140.91

37

NC

1029.23

2552.3

18

VSS

1521.38

108.09

38

A16

841.19

2552.3

19

Q3

1684.02

109.14

39

A15

495.57

2552.3

20

Q4

1871.18

109.14

40

A12

308.13

2552.3

6 Absolute Maximum Rating

Items

Symbol

Rating

Condition

Supply Voltage

-0.3 to 6 V

Input Voltage

-0.3 to Vdd+0.3 V

Operating Temperature

-0 to 70

°C

Storage Temperature

-55 to 125

°C

7 AC Electrical Characteristics

READ CYCLE

There are two ways of accessing the ROM data. The first one is to assert the valid address on the Address

The advantage of this access mode is that power consumption can be lowered. The second access mode

keeps the CEn “low” while changes the addresses to access the contents of ROM data. The access time in