Nec B58944 Datasheet [new] Jun 2026

NEC B58944 a specialised integrated circuit (IC) primarily used as a memory component in automotive Engine Control Units (ECUs) , specifically those manufactured by

This component is a critical driver or memory chip in several automotive computer systems, specifically: : ME7.4.4, ME7.5, ME7.9.6, EDC7, and EDC16. nec b58944 datasheet

Have you encountered the NEC B58944 in a device? Contribute your findings to the comments section or contact the author for inclusion in future updates to this datasheet guide. NEC B58944 a specialised integrated circuit (IC) primarily

Due to its role in high-stress automotive environments, it is categorized as an "easily damaged part" on ECU circuit boards. Repairing a faulty unit often involves desoldering the damaged B58944 and replacing it with a new IC to restore engine computer functionality. Due to its role in high-stress automotive environments,

Since NEC spun off its semiconductor division into , older NEC documents can be hard to locate.

These values define the stress limits of the device. Exceeding these ratings may cause permanent damage.