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IS43R83200F IS43/46R16160F, IS43/46R32800F
8Mx32, 16Mx16, 32Mx8 PRELIMINARY INFORMATION
256Mb DDR SDRAM
MARCH 2014
FEATURES
DEVICE OVERVIEW
• VDD and VDDQ: 2.5V ± 0.2V • 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.