Datasheet Summary
IS43/46DR81280D, IS43/46DR81280DL IS43/46DR16640D, IS43/46DR16640DL
128Mx8, 64Mx16 DDR2 DRAM
Features
- Standard Voltage: Vdd and Vddq = 1.8V ±0.1V
- Low Voltage (L): Vdd and Vddq = 1.5V ±0.075V
- SSTL_18-patible for Standard Voltage
- SSTL_15-patible for Low Voltage
- Double data rate interface: two data transfers per clock cycle
- Differential data strobe (DQS, DQS)
- 4-bit prefetch architecture
- On chip DLL to align DQ and DQS transitions with CK
- 8 internal banks for concurrent operation
- Programmable CAS latency (CL) 3, 4, 5, 6 and 7 sup- ported
- Programmable CAS latency (CL) 3, 4, 5, 6, 7, 8 and 9 supported
- Posted CAS and programmable additive latency (AL)
0, 1, 2, 3, 4,...