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IS43/46R86400D IS43/46R16320D, IS43/46R32160D
NOVEMBER 2012 16Mx32, 32Mx16, 64Mx8 512Mb DDR SDRAM
FEATURES
• • • • • • • • • • • • • • • • • VDD and VDDQ: 2.5V ± 0.2V (-6) VDD and VDDQ: 2.6V ± 0.1V (-5) SSTL_2 compatible I/O Double-data rate architecture; two data transfers per clock cycle Bidirectional, data strobe (DQS) is transmitted/ received with data, to be used in capturing data at the receiver DQS is edge-aligned with data for READs and centre-aligned with data for WRITEs Differential clock inputs (CK and CK) DLL aligns DQ and DQS transitions with CK transitions Commands entered on each positive CK edge; data and data mask referenced to both edges of DQS Four internal banks for concurrent operation Data Mask for write data.