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NT5TU64M8EE Datasheet(PDF) 8 Page - Nanya Technology Corporation. |
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NT5TU64M8EE Datasheet(HTML) 8 Page - Nanya Technology Corporation. |
8 / 96 page ![]() DDR2 512Mb SDRAM NT5TU64M8EE / NT5TU32M16EG 8 Version 1.0 Nanya Technology Corp.© 09/2014 All Rights Reserved Symbol Type Function DQS, ( DQS) (UDQS), ( UDQS) (LDQS), ( LDQS) (RDQS), ( RDQS) Input/output Data Strobe: output with read data, input with write data. Edge aligned with read data, centered with write data. For the x16, LDQS corresponds to the data on DQ0 - DQ7; UDQS corresponds to the data on DQ8-DQ15. For the x8, an RDQS option using DM pin can be enable via the EMR(1) to simplify read timing. The data strobes DQS, LDQS, UDQS and RDQS may be used in single ended mode or paired with the optional complementary signals DQS, LDQS, UDQS, RDQS to provide differential pair signaling to the system during both reads and writes. An EMRS(1) control bit enables or disables the complementary data strobe signals. ODT Input On Die Termination: ODT (registered HIGH) enables termination resistance internal to the DDR2 SDRAM. For x16 configuration ODT is applied to each DQ, UDQS, UDQS, LDQS, LDQS, RDQS, RDQS, UDM and LDM signal. The ODT pin will be ignored if the EMRS (1) is programmed to disable ODT. NC - No Connect: No internal electrical connection is present. VDDQ Supply DQ Power Supply: 1.8V ± 0.1V VSSQ Supply DQ Ground VDDL Supply DLL Power Supply: 1.8V ± 0.1V VSSDL Supply DLL Ground VDD Supply Power Supply: 1.8V ± 0.1V VSS Supply Ground VREF Supply SSTL_1.8 reference voltage Note 1: The signal may show up in a different symbol but it indicates the same thing. e.g., /CK = CK# = CK= CKb, /DQS = DQS# = DQS= DQSb, /CS= CS# = CS= CSb. |
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