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Partname:CY7C1523AV18-278BZI
Description: 72-Mbit DDR-II SIO SRAM 2-Word Burst Architecture
Manufacturer:Cypress Semiconductor
Datasheet:PDF (686K).
Click here to download *)

The CY7C1522AV18, CY7C1529AV18, CY7C1523AV18, and CY7C1524AV18 are 1.8V Synchronous Pipelined SRAMs, equipped with Double Data Rate Separate IO (DDR-II SIO) architecture. The DDR-II SIO consists of two separate ports: the read port and the write port to access the memory array. The read port has data outputs to support read operations and the write port has data inputs to support write operations. The DDR-II SIO has separate data inputs and data outputs to completely eliminate the need to "turn-around" the data bus required with common IO devices. Access to each port is accomplished through a common address bus. Addresses for read and write are latched on alternate rising edges of the input (K) clock. Write data is registered on the rising edges of both K and K. Read data is driven on the rising edges of C and C if provided, or on the rising edge of K and K if C/C are not provided. Each address location is associated with two 8-bit words in the case of CY7C1522AV18, two 9-bit words in the case of CY7C1529AV18, two 18-bit words in the case of CY7C1523AV18, and two 36-bit words in the case of CY7C1524AV18 that burst sequentially into or out of the device.

Click here to download CY7C1523AV18-278BZI Datasheet
Click here to download CY7C1523AV18-278BZI Datasheet
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