LXT974A Ver la hoja de datos (PDF) - Intel
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LXT974A Datasheet PDF : 74 Pages
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LXT974/LXT975 — Fast Ethernet 10/100 Quad Transceivers
1.0
Pin Assignments and Signal Descriptions
Figure 2. LXT974 Pin Assignments
LED3_0 ..... 1
LED3_1 ..... 2
LED3_2 ..... 3
LED2_0 ..... 4
LED2_1 ..... 5
LED2_2 ..... 6
GND ..... 7
LED1_0 ..... 8
LED1_1 ..... 9
LED1_2 ..... 10
LED0_0 ..... 11
LED0_1 ..... 12
LED0_2 ..... 13
GND ..... 14
LEDCLK ..... 15
LEDDAT ..... 16
LEDENA ..... 17
ADD2 ..... 18
ADD3 ..... 19
ADD4 ..... 20
GNDA ..... 21
VCC ..... 22
RXD0_3 ..... 23
RXD0_2 ..... 24
RXD0_1 ..... 25
RXD0_0 ..... 26
RX_DV0 ..... 27
RX_CLK0 ..... 28
RX_ER0 ..... 29
TX_ER0 ..... 30
TX_CLK0 ..... 31
TX_EN0 ..... 32
TXD0_0 ..... 33
TXD0_1 ..... 34
TXD0_2 ..... 35
TXD0_3 ..... 36
COL0 ..... 37
CRS0 ..... 38
GND ..... 39
VCCMII ..... 40
Part #
LOT #
FPO #
LXT974 XX
XXXXXX
XXXXXXXX
Rev #
120 ....... N/C
119 ....... N/C
118 ....... CLK25M
117 ....... FDE_FX
116 ....... CFG_0
115 ....... CFG_1
114 ....... CFG_2
113 ....... BYPSCR
112 ....... TEST
111 ....... AUTOENA
110 ....... FDE
109 ....... RESET
108 ....... GNDH
107 ....... VCCH
106 ....... TRSTE0
105 ....... TRSTE1
104 ....... TRSTE2
103 ....... TRSTE3
102 ....... PWRDN
101 ....... TEST
100 ....... MDDIS
99 ......... MDC
98 ......... MDINT
97 ......... MDIO
96 ......... VCC
95 ......... GND
94 ......... CRS3
93 ......... COL3
92 ......... TXD3_3
91 ......... TXD3_2
90 ......... TXD3_1
89 ......... TXD3_0
88 ......... TX_EN3
87 ......... TX_CLK3
86 ......... TX_ER3
85 ......... RX_ER3
84 ......... RX_CLK3
83 ......... RX_DV3
82 ......... RXD3_0
81 ......... RXD3_1
Package Topside Markings
Part #
Marking
Rev #
Lot #
FPO #
Definition
LXT974 is the unique identifier for this product family.
Identifies the particular silicon “stepping” (Refer to Specification Update for additional stepping
information.)
Identifies the batch.
Identifies the Finish Process Order.
10
Datasheet
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