Description
M2S28D20ATP is a 4-bank x 8388608-word x 4-bit, M2S28D30ATP is a 4-bank x 4194304-word x 8-bit, M2S28D40ATP is a 4-bank x 2097152-word x 16-bit, double data rate synchronous DRAM, with SSTL_2 interface.
Features
- - Vdd=Vddq=2.5V+0.2V - Double data rate architecture; two data transfers per clock cycle - Bidirectional, data strobe (DQS) is transmitted/received with data - Differential clock inputs (CLK and /CLK) - DLL aligns DQ and DQS transitions with CLK transitions edges of DQS - Commands 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 (programmable) - Burst length- 2/4/8 (programmabl.