Nec B58944 Datasheet 2021 !new! -

Available via Worldway Electronics or Jotrin Electronics, which provide factory excess stock for repair workshops.

In many automotive repair scenarios, the B58944 is replaced alongside other memory or processor chips like the D43256BGU to restore full ECU functionality. Design and Integration Tips If you are integrating or replacing this part: nec b58944 datasheet 2021

NEC Corporation (now under the Renesas umbrella) and Bosch. SOP-28 (Small Outline Package with 28 pins), a

SOP-28 (Small Outline Package with 28 pins), a standard surface-mount format for high-density automotive circuits. Double-check the suffix on the part number, as

As of 2021 and moving into 2026, the B58944 remains a "legacy yet essential" part. Because these chips are often custom-made for Tier 1 automotive suppliers like Bosch, they are typically sourced through specialized distributors rather than general consumer electronics retailers.

Double-check the suffix on the part number, as variations may exist for different voltage tolerances or temperature grades.