: It is functionally equivalent to the $\mu$PD43256BGU-70L .

Typically available in a SOP28 (Small Outline Package with 28 pins).

SOP-28 (Small Outline Package with 28 pins), a standard surface-mount format for high-density automotive circuits.

The is a specialized integrated circuit (IC) primarily utilized as an ECU driver within automotive engine management systems. It is technically equivalent to the $\mu$PD43256BGU-70Y , a 256 Kib Parallel SRAM. Technical Overview and Specifications

Nec: B58944 Datasheet 2021

: It is functionally equivalent to the $\mu$PD43256BGU-70L .

Typically available in a SOP28 (Small Outline Package with 28 pins). nec b58944 datasheet 2021

SOP-28 (Small Outline Package with 28 pins), a standard surface-mount format for high-density automotive circuits. : It is functionally equivalent to the $\mu$PD43256BGU-70L

The is a specialized integrated circuit (IC) primarily utilized as an ECU driver within automotive engine management systems. It is technically equivalent to the $\mu$PD43256BGU-70Y , a 256 Kib Parallel SRAM. Technical Overview and Specifications nec b58944 datasheet 2021