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Integrated Silicon Solution, Inc. — 1-800-379-4774
PACKAGING INFORMATION
ISSI®
PK13197LQ Rev. D 05/08/03
TQFP (Thin Quad Flat Pack Package)
Package Code: TQ
Thin Quad Flat Pack (TQ)
Millimeters
Inches
Millimeters
Inches
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Ref. Std.
No. Leads (N)
100
128
A
—
1.60
—
0.063
—
1.60
—
0.063
A1
0.05
0.15
0.002
0.006
0.05
0.15
0.002
0.006
A2
1.35
1.45
0.053
0.057
1.35
1.45
0.053
0.057
b
0.22
0.38
0.009
0.015
0.17
0.27
0.007
0.011
D
21.90
22.10
0.862
0.870
21.80
22.20
0.858
0.874
D1
19.90
20.10
0.783
0.791
19.90
20.10
0.783
0.791
E
15.90
16.10
0.626
0.634
15.80
16.20
0.622
0.638
E1
13.90
14.10
0.547
0.555
13.90
14.10
0.547
0.555
e
0.65 BSC
0.026 BSC
0.50 BSC
0.020 BSC
L
0.45
0.75
0.018
0.030
0.45
0.75
0.018
0.030
L1
1.00 REF.
0.039 REF.
1.00 REF.
0.039 REF.
C0o
7o
0o
7o
0o
7o
0o
7o
Notes:
1. All dimensioning and
tolerancing conforms to
ANSI Y14.5M-1982.
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-.
3. Controlling dimension:
millimeters.
D
D1
E
E1
1
N
A2
A
A1
e
b
SEATING
PLANE
C
L1
L
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