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Device: 87C521 [PLCC44]

Manufacturer: AMD

Part number description for this device:

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Am AMD product  
X Temperature Range Blank = Commercial
I = Industrial
X Package Type D = Windowed CerDIP
R = Windowed PLCC
P = Plastic DIP
N = PLCC
87C    
XXX Program Memory Size 51 = 128x8 RAM / 4kx8 EPROM
52T2 = 256x8 RAM / 8kx8 EPROM
521 = 256x8 RAM / 8kx8 EPROM
541 = 256x8 RAM / 16kx8 EPROM
X Speed Option Blank = 3.5 MHz to 12 MHz
1 = 3.5 MHz to 16 MHz
X Optional Processing Blank = Standard processing

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.

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Supported by programmers and programming adapters/modules:

SmartProg2 (discontinued) adapter/module: DIL40/PLCC44 ZIF W-EPROM / MCS51 (70-0067)
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