According to technical databases like Elparts and Jotrin Electronics , the B58944 has the following features: : Static Random Access Memory (SRAM). Memory Density : 256 Kibit (Kilobits). Interface : Parallel. Package Type : SO-28 (Small Outline 28-pin).
: Most units sold for repair are "empty" chips, meaning they do not contain pre-programmed data or software and are intended to replace physically damaged components on the circuit board . nec b58944 datasheet 2021
NEC B58944 (often associated with the part number D43256BGU-70Y According to technical databases like Elparts and Jotrin
The NEC B58944 datasheet for 2021 provides detailed specifications that help designers and engineers evaluate the device's performance and suitability for their applications. Some of the key specifications include: Package Type : SO-28 (Small Outline 28-pin)
If you are performing a repair, ensure you are referencing the specific variant if your board uses the combined NEC/BOSCH chip architecture. If you'd like, let me know: The specific vehicle or ECU model you are working on. The fault symptoms (e.g., no start, specific error codes).