MC-45D32CC721
Description
The MC-45D32CC721 is a 33,554,432 words by 72 bits DDR synchronous dynamic RAM module on which 18 pieces of 128M DDR SDRAM: µPD45D128842 are assembled.
Key Features
- Fully Synchronous Dynamic RAM with all signals except DM, DQS and DQ referenced to a positive clock edge
- Quad internal banks operation
- Possible to assert random column address in every clock cycle
- Programmable Mode register set /CAS latency (2, 2.5) Burst length (2, 4
- Wrap sequence (Sequential / Interleave)
- Automatic precharge and controlled precharge
- CBR (Auto) refresh and self refresh
- 2.5 V ± 0.2 V Power supply for VDD
- 2.5 V ± 0.2 V Power supply for VDDQ
- Burst termination by Precharge mand and Burst stop mand
