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azonenberg:microchip:24lc256

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—azonenberg:microchip:24lc256 [2025/08/04 21:24] (current) – external edit 127.0.0.1
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 +{{tag>collection_az vendor_microchip year_unknown type_memory type_memory/eeprom foundry_microchip tech_350nm}}
  
 +24C EEPROM, looks like Microchip's standard 350 nm 3-metal process.
 +
 +IBIS model: "Manufactured on Microchip's 160K process"
 +
 +====== Package ======
 +
 +8-pin SOIC.
 +
 +{{:azonenberg:microchip:dscf4969_cropped.jpg?300|}}
 +
 +Markings:
 +
 +    24LC256I
 +    SN (e3) 1115
 +    (Microchip logo) K7U
 +    
 +====== Die ======
 +
 +Size is approximately 1760 x 1830 μm (3.22 mm<sup>2</sup>)
 +
 +{{:azonenberg:microchip:24lc256_bf_neo10x_3k.jpg?600|}}
 +
 +Mask revision markings. Interestingly, not all in the same spot on the die.
 +
 +{{:azonenberg:microchip:24lc256_07_bf_neo40x_annotated.jpg?600|}}
 +
 +{{:azonenberg:microchip:24lc256_08_bf_neo40x_annotated.jpg?600|}}
 +
 +Logo and die ID.
 +
 +{{:azonenberg:microchip:24lc256_09_bf_neo40x_annotated.jpg?600|}}