NT5TU256M4GE

NT5TU256M4GE / NT5TU128M8GE / NT5TU64M16GG 1Gb DDR2 SDRAM Feature CAS Latency Frequency DDR2-667 Speed Sorts (CL-tRCD-tRP) Parameter Max. Clock Frequency min 125 15 15 60 45 5 3.75 3 -3C 5-5-5 max 333 70K 8 8 8 min 125 12.5 12.5 57.5 45 5 3.75 2.5 2.5   DDR2-800 -AD 6-6-6 max 400 70K 8 8 8 8 tCK(Avg.) MHz ns ns ns ns ns ns ns ns ns Units tRCD tRP tRC tRAS tCK(Avg.)@CL3 tCK(Avg.)@CL4 tCK(Avg.)@CL5 tCK(Avg.)@CL6 tCK(Avg.)@CL7    1.8V ± 0.1V Power Supply Voltage 8 internal memory banks Programmable CAS Latency: 5 (DDR2-3C) 6 (DDR2-AD) Data-Strobes: Bidirectional, Differential 1KB page size for x4 and x8 2KB page size for x16         Strong and Weak Strength Data-Output Driver Auto-Refresh and Self-Refresh Power Saving Power-Down modes 7.8 µs max. Average Periodic Refresh Interval RoHS Compliance Packages: 60-Ball BGA for x4 / x8 components 84-Ball BGA for x16 components        Programmable Additive Latency: 0, 1, 2, 3, 4 5 Write Latency = Read Latency -1 Programmable Burst Length: 4 and 8 Programmable Sequential / Interleave Burst OCD (Off-Chip Driver Impedance Adjustment) ODT (On-Die Termination) 4 bit prefetch architecture 1 REV 1.0 06 / 2010 NT5TU256M4GE / NT5TU128M8GE / NT5TU64M16GG 1Gb DDR2 SDRAM Description The 1giga-bit (1Gb) Double-Data-Rate-2 (DDR2) DRAMs is a high-speed CMOS Double Data Rate 2 SDRAM containing 1,073,741,824 bits. It is internally configured as an octal-bank DRAM. The 1Gb chip is organized as 32Mbit x 4 I/O x 8 bank, 16...