®
ISSI
PACKAGING INFORMATION
TQFP (Thin Quad Flat Pack Package)
Package Code: TQ
D
D1
E
E1
N
L1
L
C
1
e
SEATING
PLANE
A2
A
b
A1
Notes:
Thin Quad Flat Pack (TQ)
Inches Millimeters
1. All dimensioning and
tolerancing conforms to
ANSI Y14.5M-1982.
Millimeters
Min Max
Inches
Min Max
Symbol
Ref. Std.
Min
Max
Min
Max
2. Dimensions D1 and E1 do
not include mold protrusions.
Allowable protrusion is 0.25
mm per side. D1 and E1 do
include mold mismatch and
are determined at datum
plane -H-.
No. Leads (N)
100
128
A
A1
A2
b
D
D1
E
—
1.60
0.15
1.45
0.38
—
0.063
—
1.60
0.15
1.45
0.27
—
0.063
0.05
1.35
0.22
0.002 0.006
0.053 0.057
0.009 0.015
0.862 0.870
0.783 0.791
0.626 0.634
0.547 0.555
0.026 BSC
0.05
1.35
0.17
21.80 22.20
19.90 20.10
15.80 16.20
13.90 14.10
0.50 BSC
0.002 0.006
0.053 0.057
0.007 0.011
0.858 0.874
0.783 0.791
0.622 0.638
0.547 0.555
0.020 BSC
3. Controlling dimension:
millimeters.
21.90 22.10
19.90 20.10
15.90 16.10
13.90 14.10
0.65 BSC
E1
e
L
0.45
1.00 REF.
0o 7o
0.75
0.018 0.030
0.45
0.75
0.018 0.030
L1
C
0.039 REF.
1.00 REF.
0o
0.039 REF.
0o
7o
7o
0o
7o
Integrated Silicon Solution, Inc. — 1-800-379-4774
PK13197LQ Rev.D 05/08/03
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
