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71V3556SA150BGG is listed in the Memory IC range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC SRAM 4.5MBIT PAR 119PBGA. Review the specifications below when checking this part for your BOM.
The 71V3556SA150BGG is a 4.5 Mbit synchronous static random-access memory (SRAM) manufactured by Renesas Electronics Corporation. It features a memory organization of 128K x 36 bits and operates with a maximum clock frequency of 150 MHz. The device utilizes a parallel interface and supports a supply voltage range of 3.135 V to 3.465 V. Access time is specified at 3.8 ns. It is housed in a 119-pin PBGA package measuring 14x22 mm, designed for surface mount installation.
Verify component authenticity due to potential obsolescence status. Confirm moisture sensitivity level (MSL 3) handling requirements before assembly. Check for RoHS compliance variations as some sources indicate non-compliance. Ensure the specific suffix matches the required package and speed grade. Validate supplier authorization given the discontinuation notices associated with this product family.
Select this component when a 36-bit wide synchronous SRAM interface is required for high-performance buffering. Compare access times and clock frequencies against system timing constraints. Consider the 119-pin PBGA footprint for PCB layout compatibility. Evaluate alternative packages if lead-free soldering processes are mandatory, verifying pinout compatibility with existing designs.
This part belongs to the 71V3556 series of synchronous SRAMs. The 'SA' suffix typically denotes specific speed grades and package types within the Renesas portfolio. The series is designed for applications requiring fast memory access with minimal wait states. It represents a transition from asynchronous to synchronous memory solutions in embedded systems.
IDT71V3556SA150BG is a confirmed substitute part number.
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