參數(shù)資料
型號(hào): W3H32M64E-667SBC
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 32M X 64 DDR DRAM, 0.65 ns, PBGA208
封裝: 16 X 20 MM, 1 MM PITCH, PLASTIC, BGA-208
文件頁(yè)數(shù): 1/30頁(yè)
文件大?。?/td> 958K
代理商: W3H32M64E-667SBC
W3H32M64E-XSBX
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
September 2009
Rev. 11
White Electronic Designs Corp. reserves the right to change products or specications without notice.
32M x 64 DDR2 SDRAM 208 PBGA Multi-Chip Package
FEATURES
Data rate = 667, 533, 400 Mb/s
Package:
208 Plastic Ball Grid Array (PBGA), 16 x 20mm
1.0mm pitch
Supply Voltage = 1.8V ± 0.1V
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
Four 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: 3, 4 or 5
Posted CAS additive latency: 0, 1, 2, 3 or 4
Write latency = Read latency - 1* tCK
Commercial, Industrial and Military Temperature
Ranges
Organized as 32M x 64, user congurable as 2 x
32M x 32
Weight: W3H32M64E-XSBX - 2.5 grams typical
BENEFITS
62% Space savings vs. FBGA
Reduced part count
42% I/O reduction vs FBGA
Reduced trace lengths for lower parasitic
capacitance
Suitable for hi-reliability applications
Upgradeable to 64M x 64 density (contact factory
for information)
Area
4 x 209mm2 = 836mm2
320mm2
62%
4 x 90 balls = 360 balls
208 Balls
42%
S
A
V
I
N
G
S
I/O
Count
W3H32M64E-XSBX
CSP Approach (mm)
90
FBGA
11.0
19.0
20
16
90
FBGA
11.0
90
FBGA
11.0
90
FBGA
11.0
FIGURE 1 – DENSITY COMPARISONS
White
Electronic
Designs
W3H32M64E-XSBX
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W3H32M64E-667SBI 制造商:Microsemi Corporation 功能描述:32M X 64 DDR2, 1.8V, 667MHZ, 208PBGA INDUSTRIAL TEMP. - Trays 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY
W3H32M64E-667SBM 制造商:Microsemi Corporation 功能描述:32M X 64 DDR2, 1.8V, 667MHZ, 208PBGA MIL-TEMP. - Bulk
W3H32M64EA-400SBM 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY
W3H32M64E-ES 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32M x 64 DDR2 SDRAM 208 PBGA Multi-Chip Package
W3H32M64E-ESC 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:32M x 64 DDR2 SDRAM 208 PBGA Multi-Chip Package