USB2228 SMSC Corporation, USB2228 Datasheet - Page 26

• Manufacturer Part Number: USB2228
• Description: (USB2227 / USB2228) 4th Generation USB2.0 Flash Media Controller
• Manufacturer: SMSC Corporation

Revision 1.91 (10-13-06)
SYMBOL
D1/E1
D2/E2
D/E
A1
A2
La
Lb
e1
A
b
e
Notes:
1. All dimensions are in millimeter.
2. Position tolerance of each terminal and exposed pad is ± 0.05mm at maximum material condition. Dimensions
3. Details of terminal #1 identifier are optional but must be located within the area indicated.
4. Rounded inner tips on terminals are optional.
“b” applies to plated terminal and is measured between 0.20 and 0.25mm from the terminal tip.
9.90
9.65
0.30
0.30
0.18
6.75
MIN
MIN
~
0
~
Table 7.2 USB2227/USB2228 124-Pin DQFN Package Parameters
Figure 7.2 USB2227/USB2228 124-Pin DQFN Package Outline
SEE VARIATIONS
0.50 BSC
0.65 BSC
10.00
NOM
NOM
0.80
0.01
0.65
9.75
0.40
0.40
6.90
~
4th Generation USB2.0 Flash Media Controller with Integrated Card Power FETs
D2 / E2 VARIATIONS
DATASHEET
10.10
MAX
MAX
0.85
0.05
0.70
9.85
0.50
0.50
0.22
7.05
26
NOTE
NOTE
~
~
~
~
~
2
4
4
2
~
~
2
OUTER-INNER ROW DISTANCE
“X” / “Y” EXPOSED PAD SIZE
OUTER TERMINAL LENGTH
INNER TERMINAL LENGTH
OVERALL PKG HEIGHT
“X” / “Y” BODY SIZE
“X” / “Y” MOLD SIZE
MOLD THICKNESS
TERMINAL WIDTH
TERMINAL PITCH
CATALOG PART
STANDOFF
REMARK
USB2228
SMSC USB2227/USB2228
Datasheet