Operating from single +2.5-V (± 0.2 V) power supply, 256 Mb Model AS4C32M8D1, 512 Mb Model AS4C64M8D1, and 1 Gb Model AS4C64M16D1 are internally configured as 4 banks of 32M word x 8 bits, 64M word x 8 bits, and 64M word x 16 bits, respectively. Units feature clock rates of 200 MHz and 166 MHz and provide programmable read or write burst lengths of 2, 4, or 8. Lead-free and halogen-free, products come in commercial temperature range of 0–70°C and industrial range of -40 to +85°C.