Nec B58944 Datasheet 'link' Jun 2026

: It switches the high-current grounding path for fuel injectors, idle air control valves, and emissions solenoids.

The is a specialized integrated circuit (IC) primarily used in automotive Engine Control Units (ECUs) , such as those manufactured by Bosch . It functions as a 256 Kbit Parallel SRAM (Static Random-Access Memory). Technical Specifications Equivalent Part Number : $\mu$PD43256BGU-70L. Memory Capacity : 256 Kib (typically organized as Package Type : SO-28 (Small Outline 28-pin). nec b58944 datasheet