Description
Sharp LH53476G 4-Mbit Mask ROM Firmware IC
The Sharp LH53476G is a 4-Mbit mask-programmed read-only memory (Mask ROM) used to store firmware for a compatible printer logic system. Its full label marking is C2642-80129 REV C/VERS.140 LH53476G 9546 D.
Identification and specifications
- Manufacturer: Sharp
- Device: LH53476G
- Part / firmware reference: C2642-80129
- Full marking: C2642-80129 REV C/VERS.140 LH53476G 9546 D
- Memory capacity: 4 Mbit
- Memory type: Mask ROM
- Package: DIP-32
- Firmware version marking: 1.40
- Era: 1995
Application
Firmware storage IC associated with the HP DeskJet 850C/855C main logic board. The C2642-80129 REV C / VERS.140 reference identifies the relevant firmware version. Match the device marking and version required by the target board before ordering.

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