HM5264165F-75/A60/B60 HM5264805F-75/A60/B60 HM5264.
Hitachi Semiconductor
HM5264805F-75 - 64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264165F-75/A60/B60 HM5264805F-75/A60/B60 HM5264405F-75/A60/B60 64M LVTTL interface SDRAM 133 MHz/100 MHz 1-Mword × 16-bit × 4-bank/2-Mword × 8-bit .