Mechanical Specifications
24.4 64-Pin Low-Profile Quad Flat Pack (LQFP)
4X
4X 16 TIPS
0.2
H
A–B
D
0.2
C
A–B D
A2
S
0.05
64
49
(S)
1
48
2X R R1
θ
θ
1
0.25
A
B
GAGE PLANE
E
E1
(L2)
A1
L
(L)
3X
E1/2
VIEW Y
E/2
VIEW AA
16
33
NOTES:
17
32
1. DIMENSIONS AND TOLERANCING PER ANSI
Y14.5M, 1982.
D
2. CONTROLLING DIMENSION: MILLIMETER.
3. DATUM PLANE DATUM 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.
D1/2
D/2
D1
4. DATUMS A, B AND D TO BE DETERMINED AT
DATUM PLANE DATUM C.
D
5. DIMENSIONS D AND E TO BE DETERMINED AT
SEATING PLANE DATUM C.
6. DIMENSIONS D1 AND E1 DO NOT INCLUDE
MOLD PROTRUSION. ALLOWABLE PROTRUSION
IS 0.25 PER SIDE.
7. DIMENSION bDOES NOT INCLUDE DAMBAR
PROTRUSION. DAMBAR PROTRUSION SHALL
NOT CAUSE THE b DIMENSION TO EXCEED 0.35.
MINIMUM SPACE BETWEEN PROTRUSION AND
ADJACENT LEAD OR PROTRUSION 0.07.
4X (θ 2)
4X (θ 3)
H
C
A
0.08
C
MILLIMETERS
DIM
A
A1
A2
b
b1
c
c1
D
MIN
—
MAX
1.60
0.15
1.45
0.27
0.23
0.20
0.16
SEATING
PLANE
VIEW AA
0.05
1.35
0.17
0.17
0.09
0.09
12.00 BSC
BASE METAL
D1
e
E
E1
L
L1
L2
R1
S
10.00 BSC
0.50 BSC
12.00 BSC
10.00 BSC
b1
X
X=A, B OR D
0.45
0.75
c
c1
1.00 REF
0.50 REF
0.10
0.20
C
L
0.20 REF
θ
0
0
°
°
7°
—
AB
AB
e/2
PLATING
θ
θ
θ
1
2
3
b
12 REF
12 REF
60X e
M
0.08
C A–B D
VIEW Y
SECTION AB–AB
ROTATED 90° CLOCKWISE
Figure 24-2. 64-Pin Low-Profile Quad Flat Pack (Case No. 840F)
MC68HC908LJ12 — Rev. 2.1
Freescale Semiconductor
Technical Data
409
Mechanical Specifications
FREESCALE [ Freescale ]
