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MT18VDDT12872AG 参数 Datasheet PDF下载

MT18VDDT12872AG图片预览
型号: MT18VDDT12872AG
PDF下载: 下载PDF文件 查看货源
内容描述: [DDR SDRAM UNBUFFERED DIMM]
分类和应用: 动态存储器双倍数据速率
文件页数/大小: 29 页 / 679 K
品牌: MICRON [ MICRON TECHNOLOGY ]
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256MB, 512MB, 1GB (x72, ECC, DR), PC3200  
184-PIN DDR SDRAM UDIMM  
Ta b le 5:  
Pin De scrip t io n s (Co n t in u e d )  
Pin numbers may not correlate with symbols; refer to Pin Assignment Tables on page 3 for more information  
PIN NUMBERS  
SYMBOL  
TYPE  
DESCRIPTION  
2, 4, 6, 8, 12, 13, 19, 20, 23,  
24, 28, 31, 33, 35, 39, 40, 53,  
55, 57, 60, 61, 64, 68, 69, 72,  
73, 79, 80, 83, 84, 87, 88, 94,  
95, 98, 99, 105, 106, 109,  
110, 114, 117, 121, 123, 126,  
127, 131, 133, 146, 147, 150,  
151, 153, 155, 161, 162, 165,  
166, 170, 171, 174, 175, 178,  
179  
DQ0–DQ63  
Input/  
Output  
Data I/Os: Data bus.  
92  
181,182, 183  
91  
SCL  
SA0–SA2  
SDA  
Input  
Input  
Input/  
Serial Clock for Presence-Detect: SCL is used to synchronize the  
presence-detect data transfer to and from the module.  
Presence-Detect Address Inputs: These pins are used to  
configure the presence-detect device.  
Serial Presence-Detect Data: SDA is a bidirectional pin used to  
Output transfer addresses and data into and out of the presence-  
detect portion of the module.  
1
VREF  
Supply  
Supply  
SSTL_2 reference voltage.  
15, 22, 30, 54, 62, 77, 96,  
104, 112, 128, 136, 143, 156,  
164, 172, 180  
VDDQ  
DQ Power Supply: +2.6V ±0.1V.  
7, 38, 46, 70, 85, 108, 120,  
148, 168  
VDD  
VSS  
Supply  
Supply  
Power Supply: +2.6V ±0.1V.  
Ground.  
3, 11, 18, 26, 34, 42, 50, 58,  
66, 74, 81, 89, 93, 100, 116,  
124, 132, 139, 145, 152, 160,  
176  
184  
VDDSPD  
NC  
Supply  
Serial EEPROM positive power supply: +2.3V to +3.6V.  
No Connect: These pins should be left unconnected.  
9, 10, 71, 82, 90, 101, 102,  
103, 113, 115 (256MB), 163,  
167, 173  
pdf: 09005aef80814e61, source: 09005aef80a43eed  
DDA18C32_64_128x72AG.fm - Rev. E 9/04 EN  
Micron Technology, Inc., reserves the right to change products or specifications without notice.  
5
©2004 Micron Technology, Inc.  
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