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参数资料
| 型号： | NT5TU64M16DG-3C |
| 厂商： | NANYA TECHNOLOGY CORP |
| 元件分类： | DRAM |
| 英文描述： | 64M X 16 DDR DRAM, 0.45 ns, PBGA84 |
| 封装： | GREEN, BGA-84 |
| 文件页数： | 13/85页 |
| 文件大小： | 2622K |
| 代理商： | NT5TU64M16DG-3C |
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NT5TU256M4GE / NT5TU128M8GE / NT5TU64M16GG
1Gb DDR2 SDRAM
20
REV 1.0
06 / 2010
Extended Mode Register Set for OCD impedance adjustment
OCD impedance adjustment can be done using the following EMRS (1) mode. In drive mode all outputs are driven out by
DDR2 SDRAM and drive of RDQS is dependent on EMRS (1) bit enabling RDQS operation. In Drive (1) mode, all DQ, DQS
(and RDQS) signals are driven high and all
(and ) signals are driven low. In Drive (0) mode, all DQ, DQS (and
RDQS) signals are driven low and all
(and ) signals are driven high. In adjust mode, BL = 4 of operation code
data must be used. In case of OCD calibration default, output driver characteristics have a nominal impedance value of 18
Ohms during nominal temperature and voltage conditions. Output driver characteristics for OCD calibration default are
specified in the following table. OCD applies only to normal full strength output drive setting defined by EMRS (1) and if half
strength is set, OCD default driver characteristics are not applicable. When OCD calibration adjust mode is used, OCD
default output driver characteristics are not applicable. After OCD calibration is completed or driver strength is set to default,
subsequent EMRS(1) commands not intended to adjust OCD characteristics must specify A7~A9 as 000 in order to
maintain the default or calibrated value.
Off- Chip-Driver program
A9
A8
A7
Operation
0
OCD calibration mode exit
0
1
Drive(1) DQ, DQS, (RDQS) high and
low
0
1
0
Drive(0) DQ, DQS, (RDQS) low and
high
1
0
Adjust mode
1
OCD calibration default
相关PDF资料 |
PDF描述 |
|---|---|
| NTA2425E | |
| NTA2425F | |
| NTA2410-10 | |
| NTD2410F | |
| NTA2425-10 | |
相关代理商/技术参数 |
参数描述 |
|---|---|
| NT5TU64M16GG-AC | 制造商:Nanya Technology Corporation 功能描述:DRAM |
| NT5TU64M16GG-ACI | 制造商:Nanya Technology Corporation 功能描述:DRAM |
| NT5TU64M16HG-AC | 制造商:Nanya Technology Corporation 功能描述:MEMORY IC |
| NT5TU64M16HG-BE | 制造商:Nanya Technology Corporation 功能描述:MEMORY IC |
| NT6 | 功能描述:烙铁 Weller Chisel Tip For WMP Solder Penc RoHS:否 制造商:Weller 产品:Soldering Stations 类型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大温度:+ 850 F 电缆类型:US Cord Included |
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