HM62W16255H Series 4M High Speed SRAM (256-kword .
HM62W16255HC - 4M High Speed SRAM (256-kword x 16-bit)
HM62W16255HI - 4M High Speed SRAM (256-kword x 16-bit)
HM62W16255H - 4M High Speed SRAM (256-kword x 16-bit)
