NT256S72V89A0G

NT256S72V89A0G 256MB : 32M x 72 Unbuffered SDRAM Module 32Mx72 bit One Bank Unbuffered SDRAM Module based on 32Mx8, 4Banks, 8K Refresh, 3.3V Synchronous DRAMs with SPD Features l l 168-Pin Unbuffered 8-Byte Dual In-Line Memory Module l l w l l l l l l w at .D w Intended for PC133 applications - Clock Frequency: 133MHz - Clock Assess Time: 5.4ns Inputs and outputs are LVTTL (3.3V) compatible Single 3.3V ± 0.3V Power Supply Single Pulsed RAS interface SDRAMs have 4 internal banks Module has 1 physical bank Fully Synchronous to positive Clock Edge l l l l l aS e e h U 4 t m o .c l l Automatic and controlled Precharge commands Programmable Operation: - CAS Latency: 2, 3 - Burst Type: Sequential or Interleave - Burst Length: 1, 2, 4, 8 - Operation: Burst Read and Write or Multiple Burst Read with Single Write Suspend Mode and Power Down Mode 8192 Refresh cycles distributed across 64ms Gold contacts SDRAMs in TSOP Type II Package - Clock Cycle: 7.5ns Data Mask for Byte Read/Write control Auto Refresh (CBR) and Self Refresh Serial Presence Detect with Write Protect Description NT256S72V89A0G is unbuffered 168-pin Synchronous DRAM Dual In-Line Memory Modules (DIMM) which is organized as 32Mx72 high-speed memory arrays and is configured as one 32M x 72 physical bank. The DIMM uses nine 32Mx8 SDRAMs in 400mil TSOP II packages. The DIMM achieves high-speed data transfer rates of up to 133MHz by employing a prefetch / pipeline hybrid architecture that supports the JE...