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MC68HC908JB8 Datasheet, PDF (264/286 Pages) Motorola, Inc – MICROCONTROLLERS | |||
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Mechanical Specifications
19.3 44-Pin Plastic Quad Flat Pack (QFP)
B
L
B
33
34
23
22
âAâ, âBâ, âDâ
âAâ
âBâ
DETAIL A
F
BASE METAL
44
1
DETAIL A
12
11
CE
âCâ
SEATING
H
PLANE
âDâ
A
0.20 (0.008) M H AâB S D S
0.05 (0.002) AâB
S
0.20 (0.008) M C AâB S D S
M
G
DETAIL C
âHâ
DATUM
PLANE
0.10 (0.004)
M
DATUM
PLANE
âHâ
M
T
R
K
W
Q
X
DETAIL C
J
N
D
0.20 (0.008) M C AâB S D S
SECTION BâB
VIEW ROTATED 90°
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DATUM PLANE âHâ IS LOCATED AT BOTTOM OF
LEAD AND IS COINCIDENT WITH THE LEAD WHERE
THE LEAD EXITS THE PLASTIC BODY AT THE
BOTTOM OF THE PARTING LINE.
4. DATUMS âAâ, âBâ AND âDâ TO BE DETERMINED AT
DATUM PLANE âHâ.
5. DIMENSIONS S AND V TO BE DETERMINED AT
SEATING PLANE âCâ.
6. DIMENSIONS A AND B DO NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE PROTRUSION IS 0.25
(0.010) PER SIDE. DIMENSIONS A AND B DO
INCLUDE MOLD MISMATCH AND ARE DETERMINED
AT DATUM PLANE âHâ.
7. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR PROTRUSION
SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 9.90 10.10 0.390 0.398
B 9.90 10.10 0.390 0.398
C 2.10 2.45 0.083 0.096
D 0.30 0.45 0.012 0.018
E 2.00 2.10 0.079 0.083
F 0.30 0.40 0.012 0.016
G
0.80 BSC
0.031 BSC
H â 0.25 â 0.010
J 0.13 0.23 0.005 0.009
K 0.65 0.95 0.026 0.037
L
8.00 REF
0.315 REF
M 5° 10°
5° 10°
N 0.13 0.17 0.005 0.007
Q 0°
7°
0°
7°
R 0.13 0.30 0.005 0.012
S 12.95 13.45 0.510 0.530
T 0.13 â 0.005 â
U
0°
â
0°
â
V 12.95 13.45 0.510 0.530
W 0.40 â 0.016 â
X
1.6 REF
0.063 REF
Figure 19-1. 44-Pin QFP (Case 824A)
Technical Data
264
MC68HC908JB8â¢MC68HC08JB8â¢MC68HC08JT8 â Rev. 2.3
Mechanical Specifications
Freescale Semiconductor
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