Nec B58944 Datasheet 2021

: Originally crafted by NEC, a titan of the semiconductor world before the industry consolidated.

| Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | | $V_DSS$ | 60 | V | | Gate-Source Voltage | $V_GSS$ | $\pm 20$ | V | | Drain Current (DC) | $I_D$ | 50 - 80 (variant dependent) | A | | Drain Current (Pulse) | $I_DP$ | Up to 200 | A | | Channel Temperature | $T_ch$ | 150 | $^\circ C$ | | Storage Temperature | $T_stg$ | -55 to 150 | $^\circ C$ | nec b58944 datasheet 2021

Based on its equivalency to the μPD43256BGU series, the core specifications are as follows: Component Type : Parallel SRAM memory. Memory Density : 256 Kib (32K x 8 bits). Package Type (SOP-28) surface-mount package. Access Time : Approximately : Originally crafted by NEC, a titan of

: Because these chips are situated in harsh automotive environments, they are considered "easily damaged parts." Specialists often source the B58944 to repair faulty ECU boards rather than replacing the entire unit. Availability and Sourcing Package Type (SOP-28) surface-mount package

The B58944 is a critical component for repairing damaged automotive ECU boards, specifically for engine drive functions. It is compatible with a wide range of Bosch and Honda control units, including: ME7.4.4, ME7.5, ME7.5.10, ME7.9.6, ME7.9.20.