W3H32M72E-400SB2CF
Model | W3H32M72E-400SB2CF |
Description | DDR DRAM, 32MX72, 0.6ns, CMOS, PBGA208, 16 X 20 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-208 |
PDF file | Total 26 pages (File size: 1M) |
Chip Manufacturer | MICROSEMI |
W3H32M72E-XSB2X
W3H32M72E-XSB2XF
256MB – 32M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package
FEATURES
Data rate = 667, 533, 400
Package:
• 208 Plastic Ball Grid Array (PBGA), 16 x 20mm
• 1.0mm pitch
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
Single 1.8V ±0.1V supply
Programmable CAS latency: 3, 4, 5, or 6
Posted CAS additive latency: 0, 1, 2, 3 or 4
Write latency = Read latency - 1* t
CK
Commercial, Industrial and Military Temperature Ranges
Organized as 32M x 72
Weight: W3H32M72E-XSB2X - 2.5 grams typical
BENEFITS
69% space savings vs. FPBGA
Reduced part count
54% I/O reduction vs FPBGA
Reduced trace lengths for lower parasitic capacitance
Suitable for hi-reliability applications
Upgradable to 64M x 72 density (contact factory for
information)
Lead free - available (Pb free – component and material are
lead free in accordance with IPC-1752)
* This product is subject to change without notice.
TYPICAL APPLICATION
RAM
Host
FPGA/
Processor
DDR2/DDR3
W3X128M72-XBI
SSD (SLC)
MSM32/MSM64 (SATA BGA)
W7N16GVHxxBI (PATA BGA)
n)
M512/M256/M128 (SATA, 2.5in)
FIGURE 1 – DENSITY COMPARISONS
CSP Approach (mm)
11.0
11.0
11.0
11.0
11.0
W3H32M72E-XSB2X
20
19.0
90
FBGA
90
FBGA
90
FBGA
90
FBGA
90
FBGA
W3H32M72E-XSB2X
16
S
A
V
I
N
G
S
69%
54%
Area
I/O Count
5 x 209mm
2
= 1,045mm
2
5 x 90 balls = 450 balls
320mm
2
208 Balls
Microsemi Corporation reserves the right to change products or specifications without notice.
December 2013
Rev. 9
© 2013 Microsemi Corporation. All rights reserved.
1
Microsemi Corporation • (602) 437-1520 • www.microsemi.com/pmgp