TMC2242A/TMC2242B
PRODUCT SPECIFICATION
Mechanical Dimensions – 44-Lead MQFP Package
Symbol
A
A1
A2
B
C
D/E
D1/E1
e
L
N
ND
a
ccc
Inches
Min. Max.
.077 .093
.000 .010
.077 .083
.012 .018
.005 .009
.510 .530
.390 .398
.032 BSC
.026 .037
44
11
0¡
7¡
—
.004
Millimeters
Min. Max.
1.95 2.35
.00
.25
1.95 2.11
.30
.46
.13
.23
12.95 13.45
9.90 10.10
.81 BSC
.66
.94
44
11
0¡
7¡
—
0.10
Notes
7
2
6
4
5
Notes:
1. All dimensions and tolerances conform to ANSI Y14.5M-1982.
2. Dimensions "D1" and "E1" do not include mold protrusion.
3. Pin 1 identifier is optional.
4. Dimension N: number of terminals.
5. Dimension ND: Number of terminals per package edge.
6. "L" is the length of terminal for soldering to a substrate.
7. "B" includes lead finish thickness.
D
D1
e
E E1
PIN 1
IDENTIFIER
L
0.063" Ref (1.60mm)
A A2
B
A1
Seating Plane
See Lead Detail
Base Plane
-C-
LEAD COPLANARITY
ccc C
44 Lead Metric Quad Flat Pack (MQFP) – 3.2mm Footprint Rev 1.0 11/28/95
C
a
15