24C EEPROM, looks like Microchip's standard 350 nm 3-metal process.

IBIS model: “Manufactured on Microchip's 160K process”

Package

8-pin SOIC.

Markings:

  24LC256I
  SN (e3) 1115
  (Microchip logo) K7U
  

Die

Size is approximately 1760 x 1830 μm (3.22 mm2)

Mask revision markings. Interestingly, not all in the same spot on the die.

Logo and die ID.

 
azonenberg/microchip/24lc256.txt · Last modified: 2015/01/04 17:50 (external edit)
 
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