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參數(shù)資料
| 型號： | W3H32M72E-400SB2M |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 72 DDR DRAM, 0.6 ns, PBGA208 |
| 封裝： | 16 X 20 MM, 1 MM PITCH, PLASTIC, BGA-208 |
| 文件頁數(shù)： | 26/30頁 |
| 文件大?。?/td> | 0K |
| 代理商： | W3H32M72E-400SB2M |
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W3H32M72E-XSB2X
5
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
November 2009
Rev. 1
White Electronic Designs Corp. reserves the right to change products or specications without notice.
TABLE – 1 BALL DESCRIPTIONS
(continued)
A0-A12
Input
Address inputs: Provide the row address for ACTIVE commands, and the column address and auto precharge bit
(A10) for READ/WRITE commands, to select one location out of the memory array in the respective bank. A10
sampled during a PRECHARGE command determines whether the PRECHARGE applies to one bank (A10 LOW,
bank selected by BA1–BA0) or all banks (A10 HIGH) The address inputs also provide the op-code during a LOAD
MODE command.
DQ0-71
I/O
Data input/output: Bidirectional data bus
UDQS, UDQS#
I/O
Data strobe for upper byte: Output with read data, input with write data for source synchronous operation. Edge-
aligned with read data, center-aligned with write data. UDQS# is only used when differential data strobe mode is
enabled via the LOAD MODE command.
LDQS, LDQS#
I/O
Data strobe for lower byte: Output with read data, input with write data for source synchronous operation. Edge-
aligned with read data, center-aligned with write data. UDQS# is only used when differential data strobe mode is
enabled via the LOAD MODE command.
VCC
Supply
Power Supply: 1.8V ±0.1V
VCCQ
Supply
DQ Power supply: 1.8V ±0.1V. Isolated on the device for improved noise immunity
VREF
Supply
SSTL_18 reference voltage.
VSS
Supply
Ground
NC
-
No connect: These balls should be left unconnected.
DNU
-
Future use; Row address bits A14 and A15 are reserved for 8Gb and 16Gb densities. BA2 is reserved for 4Gb
device.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W3H32M72E-400SBC | 制造商:Microsemi Corporation 功能描述:32M X 72 DDR2, 1.8V, 400MHZ, 208PBGA COMMERICAL TEMP. - Bulk |
| W3H32M72E-400SBI | 制造商:Microsemi Corporation 功能描述:32M X 72 DDR2, 1.8V, 400MHZ, 208PBGA INDUSTRIAL TEMP. - Bulk |
| W3H32M72E-400SBM | 制造商:Microsemi Corporation 功能描述:32M X 72 DDR2, 1.8V, 400MHZ, 208PBGA MIL-TEMP. - Bulk |
| W3H32M72E-533ES | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package |
| W3H32M72E-533ESC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package |
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