1

A18

Address bus (bit 18)

2

A16

Address bus (bit 16)

3

A15

Address bus (bit 15)

4

A12

Address bus (bit 12)

5

A7

Address bus (bit 7)

6

A6

Address bus (bit 6)

7

A5

Address bus (bit 5)

8

A4

Address bus (bit 4)

9

A3

Address bus (bit 3)

10

A2

Address bus (bit 2)

11

A1

Address bus (bit 1)

12

A0

Address bus (bit 0)

13

DQ0

Data I/O (bit 0)

14

DQ1

Data I/O (bit 1)

15

DQ2

Data I/O (bit 2)

16

GND

Ground

17

DQ3

Data I/O (bit 3)

18

DQ4

Data I/O (bit 4)

19

DQ5

Data I/O (bit 5)

20

DQ6

Data I/O (bit 6)

21

DQ7

Data I/O (bit 7)

22

CS*

Chip select

23

A10

Address bus (bit 10)

24

OE*

Output enable

25

A11

Address bus (bit 11)

26

A9

Address bus (bit 9)

27

A8

Address bus (bit 8)

28

A13

Address bus (bit 13)

29

A14

Address bus (bit 14)

30

A17

Address bus (bit 17)

31

WE*/PGM*

Write enable/program

32

+5V DC

+5 volts DC