HYB3164805BJ/BT(L)-40/-50/-60 8M x 8-Bit Dynamic RAM (4k & 8k Refresh, EDO-version) is a 64 MBit dynamic RAM organized 8 388 608 by 8 bits. The chip supports EDO mode and operates in the temperature range of 0 to 70 °C. It has a single + 3.3 V (± 0.3V) power supply and low power dissipation.