27C512 512K 150ns CMOS EPROM

The M27C512 is a 512 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one-time programmable). It is ideally suited for applications where fast turn-around and pattern experimentation are important requirements and is organized as 65,536 by 8 bits.

A new pattern can then be written to the device by following the programming procedure. For applications where the content is programmed only one time and erasure is not required, the M27C512 is offered in PDIP28, PLCC32, and TSOP28 (8 x 13.4 mm) packages.

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27C512 Pinout

27C512 Pin Configuration

Pin Number	Pin No	Description
1	A15	Address Input
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	Q0	Data Output
12	Q1	Data Output
13	Q2	Data Output
14	VSS	Ground
15	Q3	Data Output
16	Q4	Data Output
17	Q5	Data Output
18	Q6	Data Output
19	Q7	Data Output
20	E’	Chip Enable
21	A10	Address Input
22	G’VPP	Output Enable/Program Supply
23	A11	Address Input
24	A9	Address Input
25	A8	Address Input
26	A13	Address Input
27	A14	Address Input
28	VCC	Positive Power Supply