Nec B58944 Datasheet Free [patched]
Cross-compiling and ready-to-use applications for the DroboFS and Drobo5N
Cross-compiling and ready-to-use applications for the DroboFS and Drobo5N
You will most commonly encounter the NEC B58944 when repairing, remapping, or diagnosing European and Asian automotive engine control modules.
Use the exact part number in your searches to filter out noise and find the correct memory chip for your repairs, whether in an automotive ECU or another embedded system.
Given that the component is often sold under the Infineon brand, searching through Infineon's portfolio of high-side drivers and automotive relay drivers may help you identify a standard component that matches the B58944's characteristics.
Typically 70ns (indicated by the "-70" suffix). Common Applications
A common alternative for high-side switching. nec b58944 datasheet Free
Safeguards internal logic against incorrect battery connection. 🚗 Target Applications and ECU Compatibility
Use either a drag-soldering method with a mini-hoof iron tip or a reflow profile with high-quality leaded or lead-free solder paste. Check thoroughly under magnification for any hairline solder bridges between adjacent pins.
The NEC B58944 is a simple yet powerful 32K x 8-bit SRAM. It is used in embedded systems for temporary data storage and processing, especially in automotive ECUs, where it manages critical engine parameters.
Since an official NEC datasheet for the B58944 is difficult to find online for free, the following specifications have been compiled from various distributor listings and technical references. Please note that these should be used as a reference guide and may not represent the complete manufacturer specifications. You will most commonly encounter the NEC B58944
Repairing damaged ECU boards where the memory chip has failed.
ME7.4.4, ME7.5, ME7.5.10, ME7.9.6, ME7.9.20 (Widely found in Volkswagen, Audi, Peugeot, Citröen, and Honda platforms).
This article provides a comprehensive overview of the NEC B58944, its core technical specifications, typical applications, and guidance on how to locate the official PDF datasheet for free. 1. Component Overview
If you have a in your ECU, I can try to help you diagnose if the B58944 is the culprit. Just tell me what the car is doing! B58944 NEC Integrated Circuits (ICs) - Jotrin Electronics Typically 70ns (indicated by the "-70" suffix)
Finding this specific datasheet requires advanced search strategies. Here is where to look first:
Note: Always use insulation hardware (mica washers and thermal grease) when mounting the metal tab to a shared chassis or heatsink to prevent short circuits. 5. Where to Download the NEC B58944 Datasheet for Free
Feedback to the MCU to report short circuits or open loads. Alternatives and Similar Components
| Parameter | Symbol | Rating | Unit | | :--- | :---: | :---: | :---: | | Supply Voltage | $V_CC$ | 7.0 | V | | Output Voltage (Peak) | $V_OUT$ | 120 - 180 | V | | Operating Temperature | $T_opr$ | -20 to +70 | °C | | Storage Temperature | $T_stg$ | -40 to +125 | °C |