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參數資料
| 型號： | W3H128M72E2-667SBM |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 128M X 72 DDR DRAM, 0.5 ns, PBGA208 |
| 封裝： | 16 X 22 MM, 1 MM PITCH, PLASTIC, BGA-208 |
| 文件頁數： | 1/31頁 |
| 文件大小： | 994K |
| 代理商： | W3H128M72E2-667SBM |
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W3H128M72E-XSBX
PRELIMINARY*
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
October 2008
Rev. 3
White Electronic Designs Corp. reserves the right to change products or specications without notice.
128M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package
FEATURES
Data rate = 667, 533, 400
Package:
208 Plastic Ball Grid Array (PBGA), 16 x 22mm
1.0mm pitch
Core Supply Voltage = 1.8V ± 0.1V
I/O Supply Voltage = 1.8V ± 0.1V - (SSTL_18
compatible)
Differential data strobe (DQS, DQS#) per byte
Internal, pipelined, double data rate architecture
4-bit prefetch architecture
DLL for alignment of DQ and DQS transitions with
clock signal
Eight internal banks for concurrent operation
(Per DDR2 SDRAM Die)
Programmable Burst lengths: 4 or 8
Auto Refresh and Self Refresh Modes
On Die Termination (ODT)
Adjustable data – output drive strength
Programmable CAS latency: 4, 5 or 6
CK/CK# Termination options available
0 ohm, 20 ohm
Posted CAS additive latency: 0, 1, 2, 3 or 4
Write latency = Read latency - 1* tCK
Commercial, Industrial and Military Temperature
Ranges
Organized as 128M x 72
Weight: W3H128M72E-XSBX - 4 grams max
BENEFITS
56% space savings vs. FPBGA
Reduced part count
50% I/O reduction vs FPBGA
Reduced trace lengths for lower parasitic
capacitance
Suitable for hi-reliability applications
* This product is under development, is not qualied or characterized and is subject
to change or cancellation without notice.
Area
5 x 161mm2 = 805mm2
352mm2
56%
5 x 84 balls = 420 balls
208 Balls
50%
S
A
V
I
N
G
S
I/O
Count
Actual Size
W3H128M72E-XSBX
CSP Approach (mm)
90
FBGA
11.5
14.0
22
16
90
FBGA
11.5
90
FBGA
11.5
90
FBGA
11.5
90
FBGA
11.5
FIGURE 1 – DENSITY COMPARISONS
White Electronic Designs
W3H128M72E-XSBX
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W3H128M72E-400SBC | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 400MHZ, 208PBGA COMMERICAL TEMP. - Bulk |
| W3H128M72E-400SBI | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 400MHZ, 208PBGA INDUSTRIAL TEMP. - Bulk 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY |
| W3H128M72E-400SBM | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 400MHZ, 208PBGA MIL-TEMP. - Bulk 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY |
| W3H128M72E-533NBI | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 533MHZ, 208PBGA IND TEMP. - Bulk |
| W3H128M72E-533SBC | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 533MHZ, 208PBGA COMMERICAL TEMP. - Bulk |
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