深圳市轩成微电子有限公司

Clock frequency: 166, 143, 133 MHz • Fully synchronous; all signals referenced to a positive clock edge • Internal bank for hiding row access/precharge • Single Power supply: 3.3V + 0.3V • LVTTL interface • Programmable burst length – (1, 2, 4, 8, full page) • Programmable burst sequence: Sequential/Interleave • Auto Refresh (CBR) • Self Refresh • 8K refresh cycles every 32 ms (A2 grade) or 64 ms (commercial, industrial, A1 grade) • Random column address every clock cycle • Programmable CAS latency (2, 3 clocks) • Burst read/write and burst read/single write operations capability • Burst termination by burst stop and precharge