Alliance Semiconductor AS4C512M16D3LB
The 8Gb Double-Data-Rate-3L DRAMs is double data rate architecture to achieve high-speed operation. It is internally configured as an eight bank DRAM.FEATURES
● JEDEC Standard Compliant● Power supplies: VDD & VDDQ = +1.35V
● Backward compatible to VDD & VDDQ = +1.5V ±0.075V
●Operating temperature: Commercial: TC = 0~95°C Industrial: TC = -40~95°C
● Supports JEDEC clock jitter specification
● Fully synchronous operation
● Fast clock rate: 800MHz
● Differential Clock, CK & CK#
● Bidirectional differential data strobe - DQS & DQS#
● 8 internal banks for concurrent operation
● 8n-bit prefetch architecture
● Pipelined internal architecture
● Precharge & active power down
● Programmable Mode & Extended Mode registers
● Additive Latency (AL): 0, CL-1, CL-2
● Programmable Burst lengths: 4, 8
● Burst type: Sequential / Interleave
● Output Driver Impedance Control
● Average refresh period - 8192 cycles/64ms (7.8us at -40°C ≦ TC ≦ +85 °C) - 8192 cycles/32ms (3.9us at +85°C ≦ TC ≦ +95°C)
● Write Leveling
● ZQ Calibration
● Dynamic ODT (Rtt_Nom & Rtt_WR)
● RoHS compliant
● Auto Refresh and Self Refresh
● Package:
● Two 512Mbit x 8 dies stacked...