IS43DR16320E-25DBL

容量 512M
規格 32Mx16
電壓 1.8V
類型 DDR2
刷新 8K
速度 25 = 400MHz
狀態 Prod
評注
腳位數 BGA(84)
温度等级 blank = Commercial Grade (0°C to +70°C)
焊料類型 L = SnAgCu
Generation E = E
字數 320 = 32M
CL(CAS延遲) D = 5
工作電壓範圍 DR = 1.8V DDR2
總線寬度 16 = x16
腳位/封裝 B = BGA
產品系列 43 = DDR/DDR2/DDR3/DDR4 Commercial/Industrial grade

IS43DR16320E-25DBL 特徵

  • Vdd = 1.8V ±0.1V, Vddq = 1.8V ±0.1V
  • JEDEC standard 1.8V I/O (SSTL_18-compatible)
  • 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
  • 4 internal banks for concurrent operation
  • Programmable CAS latency (CL) 3, 4, 5, and 6 supported
  • Posted CAS and programmable additive latency (AL) 0, 1, 2, 3, 4, and 5 supported
  • WRITE latency = READ latency - 1 tCK
  • Programmable burst lengths: 4 or 8
  • Adjustable data-output drive strength, full and reduced strength options
  • On-die termination (ODT) OPTIONS
  • Configuration(s): 64Mx8 (16Mx8x4 banks) IS43/46DR86400E 32Mx16 (8Mx16x4 banks) IS43/46DR16320E
  • Package: x8: 60-ball BGA (8mm x 10.5mm) x16: 84-ball BGA (8mm x 12.5mm)
  • Timing
    • Cycle time 2.5ns @CL=5 DDR2-800D 2.5ns @CL=6 DDR2-800E 3.0ns @CL=5 DDR2-667D 3.75ns @CL=4 DDR2-533C 5ns @CL=3 DDR2-400B

概觀

ISSI's 512Mb DDR2 SDRAM uses a double-data-rate architecture to achieve high-speed operation. The double-data rate architecture is essentially a 4n-prefetch architecture, with an interface designed to transfer two data words per clock cycle at the I/O balls.

 

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IS43DR16320E-25DBL-TR 80,000 IS43DR16320E-3DBI-TR
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IS43DR16320E-25DBI-TR IS43DR16320E-3DBL-TR
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