參數(shù)資料
型號: 21145
廠商: Intel Corp.
英文描述: Phoneline/Ethernet LAN Controller(電話線/以太網(wǎng)LAN控制器)
中文描述: 電話線/以太網(wǎng)控制器(電話線/以太網(wǎng)局域網(wǎng)控制器)
文件頁數(shù): 48/50頁
文件大?。?/td> 624K
代理商: 21145
21145
42
Preliminary
Datasheet
Table 38. 144-Pin LQFP Package Dimensions
Symbol
Dimension
Value (mm)
LL
Lead length
1.00 reference
1
1. The value for this measurement is for reference only
.
2.
ANSI Y14.5M–1982 American National Standard Dimensioning and Tolerancing, Section 1.3.2, defines Basic Dimension
(BSC) as: A numerical value used to describe the theoretically exact size, profile, orientation, or location of a feature or datum
target. It is the basis from which permissible variations are established by tolerances on other dimensions, in notes, or in fea-
ture control frames.
e
Lead pitch
0.50 BSC
2
L
Foot length
0.45 minimum to 0.75 maximum
A
Package overall height
1.60 maximum
A1
Package standoff height
0.05 minimum
A2
Package thickness
1.35 minimum to 1.45 maximum
b
Lead width
0.17 minimum to 0.27 maximum
c
Lead thickness
0.09 minimum to 0.20 maximum
ccc
Coplanarity
0.08
ddd
Lead skew
0.08
D
Package overall width
22.00 BSC
D1
Package width
20.00 BSC
E
Package overall length
22.00 BSC
E1
Package length
20.00 BSC
R
Ankle radius
0.08 minimum to 0.20 maximum
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