W971GG6JB

8M ??8 BANKS ??16 BIT DDR2 SDRAM

GENERALDESCRIPTION TheW971GG6JBisa1GbitsDDR2SDRAM,organizedas8,388,608words8banks16bits.Thisdeviceachieveshighspeedtransferratesupto1066Mb/sec/pin(DDR2-1066)forvariousapplications.W971GG6JBissortedintothefollowinggradeparts:-18,-25,25L,25I,25A,25K,-3

W971GG6JB

双倍数据传输速率同步动态随机存取内存-2nd generation(第二代); •Power Supply: VDD, VDDQ = 1.8 V ± 0.1 V \n• Double Data Rate architecture: two data transfers per clock cycle\n• CAS Latency: 3, 4, 5, 6 and 7 \n• Burst Length: 4 and 8 \n• Bi-directional, differential data strobes (DQS and /DQS ) are transmitted / received with data\n• Edge-aligned with Read data and center-aligned with Write data\n• DLL aligns DQ and DQS transitions with clock \n• Differential clock inputs (CLK and /CLK)\n• Data masks (DM) for write data \n• Commands entered on each positive CLK edge, data and data mask are referenced to both edges of /DQS\n• Posted /CAS programmable additive latency supported to make command and data bus efficiency\n• Read Latency = Additive Latency plus CAS Latency (RL = AL + CL)\n• Off-Chip-Driver impedance adjustment (OCD) and On-Die-Termination (ODT) for better signal quality \n• Auto-precharge operation for read and write bursts \n• Auto Refresh and Self Refresh modes\n• Precharged Power Down and Active Power Down \n• Write Data Mask\n• Write Latency = Read Latency - 1 (WL = RL - 1)\n• Interface: SSTL_18\n• Package:WBGA 84 Ball(8x12.5mm2), RoHS compliant;

The W971GG6JB is a 1G bits DDR2 SDRAM, and speed involving -18, -25, 25L, 25I, 25A, 25K,-3 and -3A\n

W971GG6JB

8M X 8 BANKS X 16 BIT DDR2 SDRAM

W971GG6JB25I

DLL aligns DQ and DQS transitions with clock, Auto Refresh and Self Refresh modes, Write Data Mask

GENERALDESCRIPTION TheW971GG6JBisa1GbitsDDR2SDRAM,organizedas8,388,608words8banks16bits.Thisdeviceachieveshighspeedtransferratesupto1066Mb/sec/pin(DDR2-1066)forvariousapplications.W971GG6JBissortedintothefollowinggradeparts:-18,-25,25L,25I,25A,25K,-3

W971GG6JB_13

8M X 8 BANKS X 16 BIT DDR2 SDRAM

W971GG6JB-18

8M X 8 BANKS X 16 BIT DDR2 SDRAM

W971GG6JB-25

8M X 8 BANKS X 16 BIT DDR2 SDRAM

W971GG6JB25A

8M X 8 BANKS X 16 BIT DDR2 SDRAM

W971GG6JB25I

8M X 8 BANKS X 16 BIT DDR2 SDRAM

W971GG6JB25K

8M X 8 BANKS X 16 BIT DDR2 SDRAM