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LAN8804 Datasheet(PDF) 83 Page - Microchip Technology

Part # LAN8804
Description  4-Port Gigabit Ethernet Transceiver with QSGMII Support
PDF  91 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8804 Datasheet(HTML) 83 Page - Microchip Technology

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LAN8804
© 2024 Microchip Technology Inc. and its subsidiaries
DS00003591G-page 83
FIGURE 7-3:
128-TQFP PACKAGE (LAND PATTERN)
RECOMMENDED LAND PATTERN
Dimension Limits
Units
C2
Optional Center Pad Width
Contact Pad Spacing
Optional Center Pad Length
Contact Pitch
Y2
X2
9.10
9.10
MILLIMETERS
0.40 BSC
MIN
E
MAX
15.40
Contact Pad Length (X128)
Contact Pad Width (X128)
Y1
X1
1.50
0.20
NOM
C1
Contact Pad Spacing
15.40
Contact Pad to Contact Pad (X124)
G2
0.20
Thermal Via Diameter
V
Thermal Via Pitch
EV
0.33
1.20
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Notes:
Dimensioning and tolerancing per ASME Y14.5M
For best soldering results, thermal vias, if used, should be filled or tented to avoid solder loss during
reflow process
1.
2.
Contact Pad to Center Pad (X128)
G1
2.40
Microchip Technology Drawing C04-2502 Rev A
C1
C2
E
X1
Y1
G1
G2
ØV
X2
Y2
EV
EV
SILK SCREEN
1
2
332
65
96
97
128
33
64



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