Nec B58944 Datasheet (2025)

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

• Frequently sold as “ECU driver” or “ECU memory” replacement for Bosch engine control units (ME7.x, EDC7/EDC16 families listed by aftermarket sellers).
• Appears commonly in automotive ECU repairs as a socketed or surface-mounted SRAM used to store runtime data, maps, or as a buffer in older ECUs. Some listings indicate “empty chip — no program/data” (sold as replacement hardware).

Procurement

: These parts can be sourced through electronics component distributors like Jotrin Electronics or Elparts . nec b58944 datasheet

Step 1: Decode the Label – What is "B58944"?

* VOLVO XC70 2.4 D 185CV EDC16C31 0281012103 1037375898 1037400254 Cks_7D2A. * VOLVO XC90 2.4D 163CV EDC15C11 3067014741 Cks_B157. Inovauto.com B58944 NEC Integrated Circuits (ICs) - Jotrin Electronics NEC B58944 a specialised integrated circuit (IC) primarily