[Nanya Technology Corporation]

Description
NT512D64S8HB0G, NT512D64S8HB1G, NT512D64S8HB1GY, NT512D72S8PB0G, NT256D64SH88B0G, NT256D64SH88B1G, NT256D64SH88B1GY, NT256D72S89B0G and NT128D64SH4B1G are unbuffered 184-Pin Double Data Rate (DDR) Synchronous DRAM Dual In-Line Memory Modules (DIMM). NT512D64S8HB1GY and NT256D64SH88B1GY are packaged using lead free technology.

FEATUREs
• 184 Dual In-Line Memory Module (DIMM)
• Unbuffered DDR DIMM based on 256M bit die B device, organized as either 32Mbx8 or 16Mbx16
• Performance:
• Intended for 133, 166 and 200 MHz applications
• Inputs and outputs are SSTL-2 compatible
• VDD = VDDQ = 2.5V ± 0.2V (2.6V ± 0.1V for PC3200)
• SDRAMs have 4 internal banks for concurrent operation
• Differential clock inputs
• Data is read or written on both clock edges
• DRAM DLL aligns DQ and DQS transitions with clock transitions
• Address and control signals are fully synchronous to positive clock edge
• Programmable Operation:
    - DIMM CAS Latency: 2, 2.5, 3
    - Burst Type: Sequential or Interleave
    - Burst Length: 2, 4, 8
    - Operation: Burst Read and Write
• Auto Refresh (CBR) and Self Refresh Modes
• Automatic and controlled precharge commands
• 7.8 µs Max. Average Periodic Refresh Interval
• Serial Presence Detect EEPROM
• Gold contacts
• SDRAMs are packaged in TSOP packages
• “Green” packaging – lead free