royalk 发表于 2012-6-18 15:18
DDR2不会有那么小的颗粒的啦
刚才查了一下nanya ddr的命名规则,如下:
NANYA (南亚) DDR命名规则
NT 5D S 16M16 C S - 5T
1 2 3 4 5 6 7
<1> NANYA Memory
<2> PRODUCT FAMILY
5S: SDRAM
5D: DDR SDRAM
5T: DDR2 SDRAM
<3> INTERFACE
V: LVTTL(3.3V, 3.3V) E: LVTTL(2.5V, 2.5V)
S: SSTL-2(2.5V, 2.5V) M: LVTTL(1.8V, 1.8V)
U: SSTL-18(1.8V, 1.8V)
<4> Organization
G – Gigabits, M: Megabits
256M: 64M4、32M8、16M16
512M: 128M4、64M8、32M16
1G:256M4、128M8、64M16<5> PROCESS&POWER SUPPLY
V: VDD=3.3V&VDDQ=2.5V U: VDD=2.5V&VDDQ=2.5V
W: VDD=2.5V&VDDQ=1.8V S: VDD=1.8V&VDDQ=1.8V
<6> Density/Bank
64: 64MB 4k Refresh; 66: 64MB 2k Refresh
28: 128MB 4k Refresh; 56: 156MB 8k Refresh
57: 256MB 4k Refresh 12: 512MB 8k Refresh
1G: 1G 4k Refresh
<7> VERSION
A: 1st Version B: 2nd Version C: 3rd Version
D: 4th Version E: 5th Version
<8> Package Type
T: TSOP
S: TSOP(GREEN)
F: DDR1BGA, DDR2 84-ball BGA(Green)
G: DDR1BGA(Green), DDR2 84-ball BGA(Green)
B: 60-ball BGA E: 60-ball BGA(Green)
H: 68-ball BGA J: 68-ball BGA(Green)
L: 92-ball BGA M: 92-ball BGA(Green)
<9> Speed
SDRAM
75B: PC - 133 - 3- 3- 3
6K: PC - 166 - 3 - 3- 3
DDR SDRAM
75B: DDR - 266B
6/6K: DDR - 333
5T/5: DDR - 400
对于《4》红色部分的命名规则部分还是不太懂哦,那是什么意思啊? |