97CFDC Datasheet, PDF (18/20 Pages) SMSC Corporation – USB FLOPPY DISK CONTROLLER

MECHANICAL OUTLINE
FIGURE 11 - 100 PIN TQFP PACKAGE
MIN
NOMINAL
MAX
REMARK
A
~
~
1.60
Overall Package Height
A1
0.05
~
0.15
Standoff
A2
1.35
1.40
1.45
Body Thickness
D
13.80
D/2
6.90
14.00
7.00
14.20
7.10
X Span
1_{/2 X Span Measure from Centerline}
D1
11.80
12.00
12.20
X body Size
E
13.80
E/2
6.90
14.00
7.00
14.20
7.10
Y Span
1_{/2 Y Span Measure from Centerline}
E1
11.80
12.00
12.20
Y body Size
H
0.09
~
0.20
Lead Frame Thickness
L
0.45
0.60
0.75
Lead Foot Length from Centerline
L1
~
1.00
~
Lead Length
e
0.40 Basic
Lead Pitch
0^o
3.5^o
7^o
Lead Foot Angle
W
0.13
0.16
0.23
Lead Width
R1
0.08
~
~
Lead Shoulder Radius
R2
0.08
~
0.20
Lead Foot Radius
ccc
~
~
0.08
Coplanarity
Note 1: Controlling Unit: millimeter
Note 2: Minimum space between protrusion and an adjacent lead is .007 mm.
Note 3: Package body dimensions D1 and E1 do not include the mold protrusion. Maximum mold protrusion is 0.25 mm
Note 5: Details of pin 1 identifier are optional but must be located within the zone indicated.
SMSC DS – USB97CFDC
Page 18
Rev. 12/15/2000