Fast Ethernet 10/100 Quad Transceivers — LXT974/LXT975
6.0
Package Specification
Figure 41. LXT974/975 Package Specification
160-Pin PQFP with Heat Spreader
D
D1
• (Commercial Temp 0 - 70oC)
• Part Number LXT974AHC
• Part Number LXT975AHC
• Part Number LXT974BHC
• Part Number LXT975BHC
e
e
/
2
E1
E
θ3
L1
A2
A
θ
A1
θ3
B
L
NOTE:
1. All dimensions are in millimeters.
Table 56. QUAD FLAT PACKAGE
2. This package conforms to JEDEC publication 95
registration MS-022, variation DD-1.
3. Datum plane -H- located at mold parting line and is
coincident with leads where leads exit plastic body at
bottom of parting line.
All Dimensions in millimeters
Dim.
Min.
Typ.
Max.
Notes
A
---
3.70
0.33
4.07
---
4. Measured at seating plane -C-.
5. Measured at datum plane -H-.
A
0.25
3.20
1
2
6. Dimensions D1 and E1 do not include mold protrusion.
Allowable mold protrusion is 0.254 mm.
7. Package top dimensions are smaller than bottom
dimensions. Top of package will not overhang bottom of
package.
A
3.37
3.60
D
31.20 BSC
28.00 BSC
31.20 BSC
28.00 BSC
0.88
5
D
6, 7, 8
5
1
8. Dimension b does not include dambar protrusion.
Allowable dambar protrusion is no more than 0.08 mm.
E
E
6, 7, 8
1
L
0.73
---
1.03
---
M
b
---
0.22
---
0.38
8
e
0.65 BSC
Datasheet
73
INTEL [ INTEL ]
