Nec B58944 Datasheet [verified] Jun 2026

NEC Corporation (now part of Renesas Electronics). Package Type: SOP-28 (Small Outline Package with 28 pins). Compliance: Lead-free and RoHS compliant.

: Typically 70ns access time (indicated by the "-70" in the equivalent part number). nec b58944 datasheet

While the NEC could refer to a variety of internal manufacturing codes, in the world of automotive electronics and semiconductor repair, it is most widely recognized as a specialized integrated circuit (IC) used in Bosch Engine Control Units (ECUs) . NEC Corporation (now part of Renesas Electronics)

| Parameter | Symbol | Typical NEC Value | Meaning | | :--- | :--- | :--- | :--- | | Supply Voltage | VCC | e.g., 7V | Max voltage before damage | | Power Dissipation | PD | e.g., 500mW | Use heatsink if exceeded | | Junction Temp | Tj | 150°C | Max internal temp | : Typically 70ns access time (indicated by the