M13S32321A - Elite Semiconductor Memory Technology

M13S32321A 256K x 32 Bit x 4 Banks Double Data Rate SDRAM

(M13S32321A) Pin Name Function Address inputs - Row address A0~A9 - Column address A0~A7 A8/AP : AUTO Precharge BA0, BA1 : Bank selects (4 Banks) Data-in/Data-out Row address strobe Column address strobe Write enable Ground Power Bi- directional Data Strolle. Pin Name M13S32321A Function A0~A9, BA0,BA1 DQ0~3 DQ Mask enable in write cycle. DQ0~DQ31 RAS .

Features

z z z z z z z z z z z z z z z z z z z M13S32321A 256K x 32 Bit x 4 Banks Double Data Rate SDRAM JEDEC Standard Internal pipelined double-data-rate architecture, two data access per clock cycle Bi-directional data strobe (DQS) On-chip DLL Differential clock inputs (CLK and CLK ) DLL aligns DQ and DQS transition with CLK transition Quad bank operation CAS Latency : 3; 4 Burst Type : Sequential and Interleave Burst Length : 2, 4, 8 All inputs except data & DM are sampled at the rising edge of the system clock(CLK) Data I/O transitions on both edges of data strobe (DQS) DQS is edge-aligned with .