Description
DATA SHEET MOS INTEGRATED CIRCUIT µPD44164085, 44164185, 44164365 18M-BIT DDRII SRAM SEPARATE I/O 2-WORD BURST OPERATION .
The µPD44164085 is a 2,097,152-word by 8-bit, the µPD44164185 is a 1,048,576-word by 18-bit and the
µPD44164365 is a 524,288-word by 36-bit synchrono.
Features
* 1.8 ± 0.1 V power supply and HSTL I/O
* DLL circuitry for wide output data valid window and future frequency scaling
* Separate independent read and write data ports
* DDR read or write operation initiated each cycle
* Pipelined double data rate operation
