27E040 4096K 120ns PLCC EPROM

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The W27E040 is a high-speed, low-power Electrically Erasable and Programmable Read-Only Memory organized as 524288 ´ 8 bits that operate on a single 5-volt power supply. The W27E040 provides an electrical chip erase function

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27E040 Pinout

27E040 Pin Configuration

Pin Number	Pin Name	Description
1	VPP	Programming Supply
2	A16	Address Input 16
3	A15	Address Input 15
4	A12	Address Input 12
5	A7	Address Input 7
6	A6	Address Input 6
7	A5	Address Input 5
8	A4	Address Input 4
9	A3	Address Input 3
10	A2	Address Input 2
11	A1	Address Input 1
12	A0	Address Input 0
13	Q0	Data Input 0
14	Q1	Data Input 1
15	Q2	Data Input 2
16	VSS	Ground Pin
17	Q3	Data Input 3
18	Q4	Data Input 4
19	Q5	Data Input 5
20	Q6	Data Input 6
21	Q7	Data Input 7
22	CE’	Chip Enable
23	A10	Address Input 10
24	OE’	Output Enable
25	A11	Address Input 11
26	A9	Address Input 9
27	A8	Address Input 8
28	A13	Address Input 13
29	A14	Address Input 14
30	A17	Address Input A17
31	A18	Address Input A18
32	Vcc	Positive Power Supply