Nec B58944 Datasheet Hot =link= Online

The datasheet may provide guidance on how to use the NEC B58944 in various circuits, thermal considerations, and methods for protecting the device from electrical overstress.

The (equivalent to $\mu$PD43256BGU-70L ) is a 256 Kbit (32K x 8) Parallel SRAM integrated circuit primarily used as a memory chip or driver in automotive Engine Control Units (ECUs). In automotive applications, specifically Bosch ECUs (e.g., ME7.5, EDC16), it is known as an "easily damaged" part due to thermal stress. Technical Specifications

: Found in Honda, Iveco, and Volvo ECUs, including Bosch models ME7.4.4, ME7.5, and EDC16. Thermal Issues ("Hot") & Failure

When an ECU fails to communicate, drops injector pulses, or triggers random sensor reference voltage errors, the NEC B58944 is a prime suspect. Identifying a Damaged Chip nec b58944 datasheet hot

The NEC B58944 datasheet provides detailed information about the component's electrical characteristics, thermal properties, and packaging. Here's a summary of the key points:

Based on its cross-reference to the series, here are the key parameters: Type : Static RAM (SRAM). Organization : 32,768 words 8 bits (256 Kbit). Package : SOP-28 (Small Outline Package, 28 pins).

Open the metal ECU casing carefully to avoid cracking the multi-layer PCB. Locate the SOP-28 chip marked with the NEC B58944 stamp. The datasheet may provide guidance on how to

The best is found by searching for the NEC/Renesas μPD43256B series.

256 Kilobits (Kib), typically organized as 32K x 8 bits. Package Type: SO-28 (Small Outline 28-pin) or SOP28 .

The is a specialized automotive integrated circuit (IC) widely recognized as a critical component in Bosch Engine Control Units (ECUs) , including popular systems like the ME7 and EDC16 . Packaged in a standard SOP-28 (Small Outline Package) , this driver and memory interface chip (often cross-referenced with the D43256BGU-70Y Static RAM family) acts as a backbone for data processing and signal amplification within vehicle computers. Because it directly handles high-duty cycle data streams and power distribution within the harsh, high-temperature environment of an engine bay, search terms like "nec b58944 datasheet hot" have spiked among automotive repair technicians looking to troubleshoot thermal failures. Technical Specifications : Found in Honda, Iveco, and

: Parts are typically available through specialized electronic component distributors like Jotrin Electronics or automotive repair supply sites like Finding the Datasheet

For engineers and technicians working with "hot" or active ECU repairs, the B58944 is a common target for replacement:

The NEC B58944 datasheet provides a wealth of information about this exceptional N-channel power MOSFET. With its high power handling, low on-resistance, and high switching speed, it's an ideal component for a wide range of applications, from power supplies to motor control. As the demand for high-performance electronics continues to grow, the NEC B58944 is sure to remain a popular choice among designers and engineers.

Rated for extended automotive environments (-40°C to +125°C junction temperature)