Table of Contents

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Microchip PIC12F683.

Map (am40x, some stitching artifacts)

Package

Metal 3

Size is approximately 2020 x 2240 μm (4.52 mm2)

Mask rev marks

EEPROM

SRAM

Flash

Fuses

FIXME

Metal 2

Need to take an overview pic

EEPROM

SRAM

Flash

Fuses

Metal 1

Overetched, need to decap another chip to see

Poly

EEPROM

SRAM

6T cell size is 5.25 μm x 7.35 μm (38.6 μm^2).

Flash

Fuses

Random logic

Random notes

Flash

24 + 32 horizontal = 56 on bottom x 32 on side = 1792 unit cells
Actual flash capacity is 2048 14-bit words = 28672 bits so each unit cell = 16 bits. 4x4?

SRAM

4 columns of 8 bits each
32 rows
Horizontal WLs
Vertical BLs

5 bit row address bus
2 bit col address bus

EEPROM

256 bytes
16 horizontal x 16 vertical = 256 unit cells
Seems to be some dummy bits?

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poly_mit100x

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poly_mit20x

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m3_mit20x

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mz_mit20x

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m3_mit100x

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dlyr21b_mit100x-sm

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dlyr1_mit20x

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dlyr2_mit20x

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dlyr2b_mit20x

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dlyr3_mit20x

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dlyr4_mit20x

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dlyr4b_mit20x

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dlyr5_mit20x

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dlyr6_mit20x

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dlyr6b_mit20x

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dlyr5b_mit20x

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dlyr7_mit20x

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dlyr8_mit20x

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dlyr8b_mit20x

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dlyr9_mit20x

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dlyr12_mit20x

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dlyr10_mit20x

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dlyr14b_mit20x

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dlyr17b_mit20x

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dlyr14_mit20x

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dlyr15b_mit20x

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dlyr13_mit20x

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dlyr11_mit20x

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dlyr17_mit20x

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dlyr13b_mit20x

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dlyr11b_mit20x

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dlyr15_mit20x

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dlyr10b_mit20x

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dlyr16_mit20x

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dlyr27b_mit20x

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dlyr21_mit20x

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dlyr19b_mit20x

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dlyr27_mit20x

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dlyr18_mit20x

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dlyr21b_mit20x

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dlyr26_mit20x

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dlyr27b_mit20x-stack

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dlyr24_mit20x

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dlyr20_mit20x

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dlyr19_mit20x

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dlyr25_mit20x

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dlyr23_mit20x

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dlyr22_mit20x

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dlyr14b_mit100x-sm

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dlyr15_mit100x-sm

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dlyr13b_mit100x-sm

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dlyr2b_mit100x-sm

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dlyr6b_mit100x-sm

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dlyr10b_mit100x

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dlyr11b_mit100x-sm

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dlyr18_mit100x-sm

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dlyr19_mit100x-sm

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dlyr17b_mit100x-sm

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dlyr16_mit100x-sm

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dlyr20_mit100x-sm

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dlyr19b_mit100x-sm

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dlyr21_mit100x-sm

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dlyr26_mit100x-sm

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dlyr22_mit100x-sm

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dlyr25_mit100x-sm

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dlyr27b_mit100x-sm

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dlyr27_mit100x-sm

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dlyr24_mit100x-sm

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dlyr23_mit100x-sm