Nec B58944 Datasheet

[Apply Flux to Pins] ──> [Apply Hot Air (350°C)] ──> [Lift Chip Safely] │ [Inspect/Align New IC] <── [Clean PCB Pads with Wick] <──────┘ │ └──> [Drag Solder Pins] ──> [Clean with IPA] ──> [Bench Test]

The chip's robust architecture made it a staple in broad European, Asian, and American automotive platforms. According to component application logs from Inovauto , the NEC B58944 is deployed across these prominent ECU platforms:

When buying replacement parts, look for listings that contain both identification numbers: and D43256BGU-70Y . Specialized component distributors like Jotrin Electronics or Worldway Electronics maintain stock profiles for legacy automotive ICs.

Based on its classification and industry cross-references, the following specifications apply: Device Type : CMOS Static RAM (SRAM) Memory Density : 256 Kib (32K x 8 bits) Package Type : SO-28 (Small Outline Package, 28-pin) Common Applications

Disclaimer: This paper is a synthesis of available technical data for the B58944 component class. Variations in firmware and hardware revisions exist. Always consult the specific manufacturer datasheet for your exact batch before production.

While specific revisions may vary, these are the standard parameters associated with the B58944 series: 40V to 60V (Standard for automotive 12V/24V systems) Continuous Drain Current ( IDcap I sub cap D ): Up to 50A - 80A (depending on ambient temperature) Static Drain-Source On-State Resistance (

The B58944 is housed in a , a surface-mount design featuring 28 pins intended for efficient PCB integration. Technically, it is closely related to the D43256BGU series, which is a 256K-bit (32K x 8) CMOS static RAM. Its primary role in an ECU environment is to handle data storage or engine-driving functions that are essential for real-time vehicle management. Package Type: SOP-28 Manufacturer: NEC (often branded or used in Bosch modules)

When choosing a substitute, ensure it supports the wide temperature profiles required for automotive applications to avoid premature component degradation. [Apply Flux to Pins] ──> [Apply Hot Air

: Low-power CMOS technology ensuring minimal current draw during battery-backed standby modes.

* VOLVO XC70 2.4 D 185CV EDC16C31 0281012103 1037375898 1037400254 Cks_7D2A. * VOLVO XC90 2.4D 163CV EDC15C11 3067014741 Cks_B157. Inovauto.com B58944 NEC Integrated Circuits (ICs) - Jotrin Electronics

Temperature control in white goods such as refrigerators, washing machines, and ovens.

: Used extensively in common-rail diesel injection engines (e.g., Iveco, Volkswagen, BMW). Always consult the specific manufacturer datasheet for your

70 ns (indicated by the "-70L" suffix in its equivalent part number). Supply Voltage: Typically 5V (standard for the $\mu$PD43256 series). Current Consumption:

In the automotive repair sector, the NEC B58944 is a frequent point of interest for engineers working with older generation vehicle modules. It is commonly found in:

If you can tell me the (e.g., TDK, EPCOS, NEC) or the full part number (often printed on the packet or component), I can help you find the precise data sheet or equivalent components . Arduino code for temperature conversion? A comparison of this part to another thermistor?