Freescale Semiconductor, Inc.
Mechanical Specifications
14.7 44-Pin Quad Flat Pack (QFP)
B
B
L
33
23
22
34
-A-, -B-, -D-
S
S
D
D
DETAIL A
F
A
A
-A-
-B-
L
A
BASE METAL
V
B
M
M
J
N
DETAIL A
D
S
S
0.20 (0.008)M C A-B
D
44
12
1
11
SECTION B-B
NOTES:
1. 1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
-D-
2. 2. CONTROLLING DIMENSION: MILLIMETER.
3. 3. DATUM PLANE -H- 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. 4. DATUMS -A-, -B- AND -D- TO BE DETERMINED AT
DATUM PLANE -H-.
5. 5. DIMENSIONS S AND V TO BE DETERMINED AT
SEATING PLANE -C-.
A
M
S
S
S
0.20 (0.008) C A-B
0.05 (0.002) A-B
S
D
D
M
S
0.20 (0.008) H A-B
6. 6. DIMENSIONS A AND B DO NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE PROTRUSION IS 0.25
(0.010) PER SIDE. DIMENSIONS A AND B DO
INCLUDEMOLDMISMATCHANDAREDETERMINED
AT DATUM PLANE -H-.
M
DETAIL C
E
DATUM
PLANE
C
-C-
7. 7. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
-H-
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.
0.01 (0.004)
SEATING
PLANE
H
G
M
MILLIMETERS
INCHES
DIM MIN
MAX
MIN MAX
A
B
C
D
E
F
9.90 10.10 0.390 0.398
9.90 10.10 0.390 0.398
M
2.10
0.30
2.00
0.30
2.45 0.083 0.096
0.45 0.012 0.018
2.10 0.079 0.083
0.40 0.012 0.016
T
G
H
J
K
L
M
N
Q
R
S
T
U
V
W
X
0.80 BSC
0.031 BSC
--- 0.010
DATUM
PLANE
-H-
---
0.013
0.65
0.25
R
0.23 0.005 0.009
0.95 0.026 0.037
8.00 REF
0.315 REF
10
5
0.13
10
5
°
°
°
°
K
Q
0.17 0.005 0.007
W
0
0.13
7
0
7
°
°
°
°
X
0.30 0.005 0.012
12.95 13.45 0.510 0.530
0.13
0
--- 0.005
---
---
---
0
°
°
DETAIL C
12.95 13.45 0.510 0.530
0.40 --- 0.016 ---
1.6 REF 0.063 REF
Figure 14-5. MC68HC705C8AFB Package Dimensions (Case #824A)
Technical Data
196
MC68HC705C8A — Rev. 3
Mechanical Specifications
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