12
FN6111.3
February 5, 2008
ISL8499
Thin Shrink Small Outline Plastic Packages (TSSOP)
NOTES:
1. These package dimensions are within allowable dimensions of
JEDEC MO-153-AB, Issue E.
2. Dimensioning and tolerancing per ANSI Y14.5M-1982.
3. Dimension “D” does not include mold flash, protrusions or gate
burrs. Mold flash, protrusion and gate burrs shall not exceed
0.15mm (0.006 inch) per side.
4. Dimension “E1” does not include interlead flash or protrusions.
Interlead flash and protrusions shall not exceed 0.15mm
(0.006 inch) per side.
5. The chamfer on the body is optional. If it is not present, a visual
index feature must be located within the crosshatched area.
6. “L” is the length of terminal for soldering to a substrate.
7. “N” is the number of terminal positions.
8. Terminal numbers are shown for reference only.
9. Dimension “b” does not include dambar protrusion. Allowable
dambar protrusion shall be 0.08mm (0.003 inch) total in excess
of “b” dimension at maximum material condition. Minimum space
between protrusion and adjacent lead is 0.07mm (0.0027 inch).
10. Controlling dimension: MILLIMETER. Converted inch
dimensions are not necessarily exact. (Angles in degrees)
α
INDEX
AREA
E1
D
N
123
-B-
0.10(0.004) C AM BS
e
-A-
b
M
-C-
A1
A
SEATING PLANE
0.10(0.004)
c
E
0.25(0.010) BM M
L
0.25
0.010
GAUGE
PLANE
A2
0.05(0.002)
M16.173
16 LEAD THIN SHRINK SMALL OUTLINE PLASTIC PACKAGE
SYMBOL
INCHES MILLIMETERS
NOTESMIN MAX MIN MAX
A - 0.043 - 1.10 -
A1 0.002 0.006 0.05 0.15 -
A2 0.033 0.037 0.85 0.95 -
b 0.0075 0.012 0.19 0.30 9
c 0.0035 0.008 0.09 0.20 -
D 0.193 0.201 4.90 5.10 3
E1 0.169 0.177 4.30 4.50 4
e 0.026 BSC 0.65 BSC -
E 0.246 0.256 6.25 6.50 -
L 0.020 0.028 0.50 0.70 6
N16 167
a
0
o
8
o
0
o
8
o
-
Rev. 1 2/02
