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Altera_Forum
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16 years ago

connecting be_n_to_the_ext_ssram[3:0] to IDT71V416 SRAM

Hello all, I created using SOPC builder a NIOS II based system that includes an SRAM compatible with IDT71V416 listed in SOPC builder, for the SRAM, I added an IDT71V416 from Memories and Memo...
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Altera_Forum
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16 years ago

be_n_to_the_ext_ssram signals is for BHE/BHL of the SRAM device. Since the sram controller in SOPC Builder has 32 bit data width and requires two IDT71V416 devices, it has four bit be_n. You can refer to Altera DSP kit schematic which utilizes IDT71V416:

http://www.altera.com/literature/ds/schem_p06_10217r_03_stratixii_dsp_board_sch_4_6_06.pdf

If you have one IDT71V416 on your board, you need a custom interface for the sram such as attached(custom_memory -> sram_256Kx16bit).