AVR201628

DDR2 SDRAM AVR201628 (128M X 16 ) AVR200856 (256M X 8 ) AVR200412 (512M X 4 ) Features • VDD = +1.8V ±0.1V, VDDQ = +1.8V ±0.1V • JEDEC-standard 1.8V I/O (SSTL_18-compatible) • Differential data strobe (DQS, DQS#) option • 4n-bit prefetch architecture • Duplicate output strobe (RDQS) option for x8 • DLL to align DQ and DQS transitions with CK • 8 internal ba...