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R
87
Family Descriptor
87 = EPROM27 = EPROM
C
Technology
C = CMOSBlank
64
Density
16 = 2kx832 = 4kx864 = 8kx8
XX
Access Time
25 = 250 ns30 = 300 ns35 = 350 ns
Note: Part number description table describes usual part-numbering system for more chips, therefore this table can contain information, that might not be valid for the actually selected chip. The information here are provided on the best-effort basis and might be either inaccurate or incoplete. Therefore always check the latest datasheet of the chip for part number description detail. If you find some inaccuracy, let us please know.
