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27C64 64K (8kb x 8) 120ns CMOS EPROM Datasheet

Photograph
27C64-120 - 27C64 64K 120ns CMOS EPROM

Product Details

Standard 27C64 64kB EPROM IC, as produced by National Semiconductor, STMicroelectonics and AMD. Commonly used in vehicle management systems and microprocessor systems. This IC includes a UV erasable window for erasing the memory and re-programming the EPROM. The production of these parts have been discontinued for a number of years and only limited stocks are available.


Features

  • Standard 27C64 EPROM Memory IC with UV Erasable Window
  • Reconditioned Unit, Erased and Ready to Program
  • Access Time 120ns
  • Limited Stock Available - End of Life Product

Pin Layout
27C64 Pin Layout

Pin Description
Pin Number Description
1 Vpp - Programming Supply
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 Input
12 Q1 - Data Input
13 Q2 - Data Input
14 Vss - Ground
15 Q3 - Data Input
16 Q4 - Data Input
17 Q5 - Data Input
18 Q6 - Data Input
19 Q7 - Data Input
20 E - Chip Enable
21 A10 - Address Input
22 G - Output Enable
23 A11 - Address Input
24 A9 - Address Input
25 A8 - Address Input
26 NC - Not Connected
27 P - Program Pin
28 Vcc - Positive Power Supply
Dimensional Drawing
27C64 IC Dimensional Drawing
27C64 IC Dimensional Drawing

Technical Data

Datasheet

STMicroelectronics - Datasheet for 27C64 27C64 Datasheet

Application Notes