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Table 40. 144-Pin MQFP Package Dimensions
Symbol
Dimension
Value (mm)
LL
Lead length
e
Lead pitch
1.60 reference1
0.65 BSC2
L
Foot length
0.65 minimum to 1.03 maximum
A
Package overall height
4.1 maximum
A1
Package standoff height
0.25 minimum
A2
Package thickness
3.20 minimum to 3.60 maximum
b
Lead width
0.22 minimum to 0.40 maximum
c
Lead thickness
0.11 minimum to 0.23 maximum
ccc
Coplanarity
0.10
ddd
Lead skew
0.13
D
Package overall width
31.20 BSC
D1
Package width
28.00 BSC
E
Package overall length
31.20 BSC
E1
Package length
28.00 BSC
R
Ankle radius
0.13 minimum to 0.30 maximum
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.
Preliminary Datasheet
47