Nec B58944 Datasheet __full__ May 2026

Older NEC parts sometimes have documentation on Yahoo Auctions Japan or Akizukidenshi. Search for “B58944 NEC データシート” (datasheet in Japanese).

Since no official NEC B58944 datasheet is publicly archived, the following parameters are derived from NEC’s standard hybrid regulator family (e.g., µPC7800 series and µPC2930 series). Use these values only as a reference for testing or substitution: nec b58944 datasheet

NEC parts are often discontinued. Go to Renesas Electronics (they bought NEC) and search their legacy products section. Older NEC parts sometimes have documentation on Yahoo

It functions as an automotive engine drive chip or memory interface within the ECU. nec b58944 datasheet

In this post, we’ll break down why this specific chip is vital for vehicle performance and what you need to know from its datasheet. What is the NEC B58944?