參數(shù)資料
型號: HY5R256HC
英文描述: -|2.5V|8K|40|Direct RDRAM - 256M
中文描述: - |為2.5V | 8K的| 40 |直接RDRAM的- 256M
文件頁數(shù): 61/64頁
文件大小: 4542K
代理商: HY5R256HC
Rev.0.95 / Aug.01
61
Direct RDRAM
256/288-Mbit (512Kx16/18x32s) Preliminary
Center-Bonded uBGA Package
Figure 61: shows the form and dimensions of the recom-
mended package for the center-bonded CSP device class.
Figure 61: Center-Bonded uBGA Package
Table 27 lists the numerical values corresponding to dimen-
sions shown in Figure 61:.
Table 27: Center-Bonded uBGA Package Dimensions
T
S
A
B
C
D
E
F
G
H
J
3
4
5
6
7
8
9
A
d
e1
10
e2
Top
Bottom
1
2
K
L
N
P
R
M
U
E
E1
Symbol
Parameter
Min
Max
Unit
e1
Ball pitch (x-axis)
0.8
0.8
mm
e2
Ball pitch (y-axis)
0.8
0.8
mm
A
Package body length:256M D-RD
10.56
11.16
mm
288M D-RD
10.96
11.16
mm
D
Package body width:256M D-RD
16.56
16.76
mm
288M D-RD
16.56
16.76
mm
E
Package total thickness
0.65
1.20
mm
E1
Ball height
0.20
0.43
mm
d
Ball diameter
0.30
0.50
mm
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