DS33X81+ Maxim Integrated Products, DS33X81+ Datasheet - Page 342

• Manufacturer Part Number: DS33X81+
• Description: IC MAPPING ETHERNET 256CSBGA
• Manufacturer: Maxim Integrated Products

Specifications of DS33X81+

• Applications: Data Transport
• Interface: Parallel/Serial
• Voltage - Supply: 1.8V, 2.5V, 3.3V
• Package / Case: 256-CSBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.2 Transmit and Receive GMII Interface
Table 12-4. Transmit GMII Interface
GTX_CLK, RX_CLK Period
GTX_CLK Frequency
GTX_CLK, RX_CLK High Time
GTX_CLK, RX_CLK Low Time
GTX_CLK to TXD, TX_ENn Output
Delay
Figure 12-1. Transmit GMII Interface Timing
Rev: 063008
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
GTX_CLK
TXD[1:0]n
TX_ENn
PARAMETER
SYMBOL
t2
1/t1
t1
t3
t2
t4
125 - 100ppm
MIN
7.5
2.5
2.5
0.5
t1
1000Mbps
t4
t4
TYP
125
8
t3
125 + 100ppm
MAX
8.5
5.0
UNITS
MHz
ns
ns
ns
ns
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