27C512 512K 120ns CMOS EPROM – Datasheet

1,949 views

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. The FDIP28W (window ceramic frit-seal package) has a transparent lid that allows the user to expose the chip to ultraviolet light to erase the bit pattern. 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.

27C512 Pinout

27C512 Pin Configuration

Pin NumberPin NoDescription
1A15 Address Input
2A12 Address Input
3A7 Address Input
4A6Address Input
5A5 Address Input
6A4 Address Input
7A3 Address Input
8A2 Address Input
9A1 Address Input
10A0 Address Input
11Q0 Data Output
12Q1 Data Output
13Q2 Data Output
14VSS Ground
15Q3 Data Output
16Q4 Data Output
17Q5 Data Output
18Q6 Data Output
19Q7 Data Output
20E’Chip Enable
21A10 Address Input
22G’VPPOutput Enable/Program Supply
23A11 Address Input
24A9Address Input
25A8 Address Input
26A13 Address Input
27A14 Address Input
32VCCPositive Power Supply

27C512 Key Features

  • 5V ± 10% Supply Voltage in reading Operation
  • Fast Access Time: 45ns
  • Low Power “CMOS” Consumption:
    • Active Current 30mA
    • Standby Current 100µA
  • Programming Voltage: 12.75V ± 0.25V
  • Programming Times of Around 6sec.
  • Electronic Signature
    • Manufacturer Code: 20h
    • Device Code: 3Dh

You can download this datasheet for 27C512 512K 120ns CMOS EPROM – Datasheet from the link given below: