Advance Information MC68HC908MR16/MC68HC908MR32 — Rev. 4.0

380 Mechanical Specifications MOTOROLA

Mechanical Specifications23.3 64-Pin Plastic Quad Flat Pack (QFP)

Figure 23-1. MC68HC908MR32FU

32
48
49
64
116
17
33
DETAIL C
-B-
SEATING
PLANE
-A-
-C-
-D-
-H-
M
B
A
C
L
S
V
G
H
E
M
L
DATUM
PLANE
0.20 (0.008) C A-B D
MSS
0.05 (0.002) A-B
0.20 (0.008) H A-B D
MSS
DETAIL A
0.01(0.004)
K
-H-
DATUM
PLANE
U
Q
R
T
W
X
DETAIL C
B
BP
-A-, -B-, D-
DETAIL A
J
F
BASE METAL
D
N
SECTION B-B
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M,1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DATUM PLANE ĆHĆ IS LOCATEDAT BOTTOM OF
LEADAND IS COINCIDENT WITH THE LEAD WHERE
THELEAD EXITS THE PLASTIC BODY AT THE
BOTTOMOF THE PARTING LINE.
4. DATUMS A-B AND ĆDĆ TO BE DETERMINED AT
DATUMPLANE ĆHĆ.
5. DIMENSIONS S AND V TO BE DETERMINED AT
SEATINGPLANE ĆCĆ.
6. DIMENSIONS A AND B DO NOT INCLUDE MOLD
PROTRUSION.ALLOWABLE PROTRUSION IS 0.25
(0.010)PER SIDE. DIMENSIONS A AND B DO
INCLUDEMOLD MISMATCH AND ARE DETERMINED
ATDATUM PLANE ĆHĆ.
7. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION.ALLOWABLE DAMBAR PROTRUSION
SHALLBE 0.08 (0.003) TOTAL IN EXCESS OF THE D
DIMENSIONAT MAXIMUM MATERIAL CONDITION.
DAMBARCANNOT BE LOCATED ON THE LOWER
RADIUSOR THE FOOT.
C
0.20(0.008) A-B D
A-B
0.05(0.002)
S S
M
H
0.20(0.008) A-B D
S S
M
C
0.20(0.008) A-B D
S S
M
0.547
0.547
0.085
0.012
0.079
0.012
Ċ
0.005
0.026
5°
0.005
0°
0.005
0.667
0.005
0°
0.667
0.014
0.555
0.555
0.096
0.018
0.094
0.016
0.010
0.009
0.037
10°
0.007
7°
0.012
0.687
Ċ
Ċ
0.687
0.018
0.80BSC
12.00REF
0.40BSC
1.6REF
14.10
14.10
2.45
0.45
2.40
0.40
0.25
0.23
0.95
10°
0.17
7°
0.30
17.45
Ċ
Ċ
17.45
0.45
0.031BSC
0.472REF
0.016BSC
0.063REF
13.90
13.90
2.15
0.30
2.00
0.30
Ċ
0.13
0.65
5°
0.13
0°
0.13
16.95
0.13
0°
16.95
0.35
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
U
V
W
X
MILLIMETERS INCHES
MAXDIM MIN MAXMIN