DS33X161+ Maxim Integrated Products, DS33X161+ Datasheet - Page 346

• Manufacturer Part Number: DS33X161+
• Description: IC MAPPING ETHERNET 256CSBGA
• Manufacturer: Maxim Integrated Products

Specifications of DS33X161+

• 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

12.4 Transmit and Receive RMII Interface
Table 12-8. Transmit RMII Interface
REF_CLK Frequency
REF_CLK Period
REF_CLK Low Time
REF_CLK High Time
REF_CLK to TXD,
TX_EN Delay
Figure 12-5. Transmit RMII Interface Timing
Rev: 063008
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
PARAMETER
REF_CLK
TXD[1:0]
TX_EN
SYMBOL
t1
t2
t3
t4
MIN
t2
7
7
3
10Mbps
50MHz
50ppm
TYP
20
±
t1
MAX
13
13
10
t4
t4
MIN
7
7
3
100Mbps
t3
50MHz
50ppm
TYP
20
±
MAX
13
13
10
UNITS
346 of 375
ns
ns
ns
ns