Nec B58944 Datasheet (Deluxe)

: SOP-28 (Small Outline Package) or SO-28, a surface-mount design with 28 pins. Memory Density : 256 Kib (32,768 words × 8 bits).

While the NEC could refer to a variety of internal manufacturing codes, in the world of automotive electronics and semiconductor repair, it is most widely recognized as a specialized integrated circuit (IC) used in Bosch Engine Control Units (ECUs) . nec b58944 datasheet

The chip functions as an automotive engine drive or memory-related component within the ECU. It is a critical part of the circuit board responsible for managing engine computer operations. : SOP-28 (Small Outline Package) or SO-28, a

No publicly accessible datasheet for exists in major technical databases as of this report. The part is likely a custom or obsolete component intended for a specific application. Users are advised to trace the circuit, analyze the component’s markings in full, or contact Renesas support with the application context. The chip functions as an automotive engine drive