48 PIN TQFP/TQN PACKAGE OUTLINE
D1
5
3
E1/4
3
E1
e
D1/4
b
E
2
4
D
TOP VIEW
3-D VIEW
SEE DETAIL "A"
C
GAUGE PLANE
0.25
0°-7°
A2
A
SEATING PLANE
c
4
A1
ccc C
L
L1
SIDE VIEW
DETAIL "A"
Min
A
A1
A2
D/E
D1/E1
L
L1
b
c
e
ccc
Notes:
-
0.17
0.09
-
0.05
1.35
8.80
6.80
0.45
Nominal
-
-
1.40
9.00
7.00
0.60
1.00 REF
0.22
-
0.50 BSC
-
Max
1.60
0.15
1.45
9.20
7.20
0.75
0.27
0.20
0.08
Note
-
-
-
-
3
-
-
2,4
4
-
-
Remark
Overall Package Height
Standoff
Package Body Thickness
X/Y Span
X/Y Body Size
Lead Foot Length
Lead Length
Lead Width
Lead Thickness
Lead Pitch
Coplanarity
1. All dimensions are in millimeters.
2. True position spread tolerance of each lead is ± 0.04 mm at maximum material condition. Dimension "b" does
not include dambar protrusion.
3. Dimensions "D1" and "E1" do not include mold protrusions. Maximum allowed protrusion is 0.25 mm per side.
"D1" and "E1" are maximum plastic body size dimensions including mold mismatch.
4. Dimensions "b" and "c" apply to the flat section of the lead between 0.10 mm and 0.25 mm from the lead tip.
5. Details of pin 1 identifier are optional, but must be located within the zone indicated.
6. Provided for reference only - contact your SMSC Regional Sales Office for latest information.
80 Arkay Drive
Hauppauge, NY 11788
(631) 435-6000
FAX (631) 273-3123
Rev. 8/23/05
SMSC [ SMSC CORPORATION ]
