RDY/BUSY	1  •	28	Vcc
A12	2	27	WE
A7	3	26	NC
A6	4	25	A8
A5	5	24	A9
A4	6	23	A11
A3	7	22	OE
A2	8	21	A10
A1	9	20	CE
A0	10	19	I/O7
I/O0	11	18	I/O6
I/O1	12	17	I/O5
I/O2	13	16	I/O4
GND	14	15	I/O3

Pin	Symbol	Description
1	RDY/BUSY	device status
2	A12	address input
3	A7	address input
4	A6	address input
5	A5	address input
6	A4	address input
7	A3	address input
8	A2	address input
9	A1	address input
10	A0	address input
11	I/O0	data input/output
12	I/O1	data input/output
13	I/O2	data input/output
14	GND	ground
15	I/O3	data input/output
16	I/O4	data input/output
17	I/O5	data input/output
18	I/O6	data input/output
19	I/O7	data input/output
20	CE	chip enable (active low)
21	A10	address input
22	OE	output enable (active low)
23	A11	address input
24	A9	address input
25	A8	address input
26	NC	no connection
27	WE	write enable (active low)
28	Vcc	supply voltage