Nec B58944 Datasheet Free |best| Jun 2026

. While often labeled with this Bosch-specific part number, it is functionally equivalent to the NEC μPD43256BGU-70L Technical Overview The chip is a high-speed, low-power CMOS Static RAM (SRAM)

This IC is known to be a "damaged-prone" part during ECU repairs; always ensure proper ESD precautions and heat management when soldering. nec b58944 datasheet Free

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