IS43R32800B
IS43R32800B is 256Mb DDR Synchronous DRAM PRELIMINARY INFORMATION manufactured by ISSI.
8Mx32 256Mb DDR Synchronous DRAM
PRELIMINARY INFORMATION MAY 2008
Features
- Vdd/Vddq=2.5V+0.2V (-5, -6, -75)
- Double data rate architecture; two data transfers per clock cycle
- Bidirectional, data strobe (DQS) is transmitted/ received with data
- Differential clock input (CLK and /CLK)
- DLL aligns DQ and DQS transitions with CLK transitions edges of DQS
- mands entered on each positive CLK edge;
- Data and data mask referenced to both edges of DQS
- 4 bank operation controlled by BA0, BA1 (Bank Address)
- /CAS latency
- 2.0/2.5/3.0 (programmable)
- Burst length
- 2/4/8 (programmable)
- Burst type
- Sequential/ Interleave (programmable)
- Auto precharge /...
