欢迎访问ic37.com |
会员登录 免费注册
发布采购

HYB18TC1G800BF 参数 Datasheet PDF下载

HYB18TC1G800BF图片预览
型号: HYB18TC1G800BF
PDF下载: 下载PDF文件 查看货源
内容描述: 1千兆位双数据速率- SDRAM双 [1-Gbit Double-Data-Rate-Two SDRAM]
分类和应用: 动态存储器
文件页数/大小: 65 页 / 3555 K
品牌: QIMONDA [ QIMONDA AG ]
 浏览型号HYB18TC1G800BF的Datasheet PDF文件第53页浏览型号HYB18TC1G800BF的Datasheet PDF文件第54页浏览型号HYB18TC1G800BF的Datasheet PDF文件第55页浏览型号HYB18TC1G800BF的Datasheet PDF文件第56页浏览型号HYB18TC1G800BF的Datasheet PDF文件第58页浏览型号HYB18TC1G800BF的Datasheet PDF文件第59页浏览型号HYB18TC1G800BF的Datasheet PDF文件第60页浏览型号HYB18TC1G800BF的Datasheet PDF文件第61页  
Internet Data Sheet  
HYB18TC1G[80/16]0BF  
1-Gbit Double-Data-Rate-Two SDRAM  
TABLE 56  
ODT AC Characteristics and Operating Conditions for DDR2-533 & DDR2-400  
Symbol  
Parameter / Condition  
Values  
Unit  
Note  
Min.  
Max.  
tAOND  
tAON  
ODT turn-on delay  
2
2
tCK  
ns  
ns  
tCK  
ns  
ns  
tCK  
tCK  
1)  
2)  
ODT turn-on  
tAC.MIN  
tAC.MAX + 1 ns  
tAONPD  
tAOFD  
tAOF  
ODT turn-on (Power-Down Modes)  
ODT turn-off delay  
t
AC.MIN + 2 ns  
2 tCK + tAC.MAX + 1 ns  
2.5  
2.5  
ODT turn-off  
tAC.MIN  
tAC.MAX + 0.6 ns  
tAOFPD  
tANPD  
tAXPD  
ODT turn-off (Power-Down Modes)  
ODT to Power Down Mode Entry Latency  
ODT Power Down Exit Latency  
t
AC.MIN + 2 ns  
2.5 tCK + tAC.MAX + 1 ns  
3
8
1) ODT turn on time min. is when the device leaves high impedance and ODT resistance begins to turn on. ODT turn on time max is when  
the ODT resistance is fully on. Both are measured from tAOND, which is interpreted differently per speed bin. For DDR2-400/533, tAOND is  
10 ns (= 2 x 5 ns) after the clock edge that registered a first ODT HIGH if tCK = 5 ns.  
2) ODT turn off time min. is when the device starts to turn off ODT resistance. ODT turn off time max is when the bus is in high impedance.  
Both are measured from tAOFD. Both are measured from tAOFD, which is interpreted differently per speed bin. For DDR2-400/533, tAOFD is  
12.5 ns (= 2.5 x 5 ns) after the clock edge that registered a first ODT HIGH if tCK = 5 ns.  
Rev. 1.21, 2007-07  
57  
02282007-F8UP-4HSU