DS33R41 Maxim Integrated Products, DS33R41 Datasheet - Page 310

• Manufacturer Part Number: DS33R41
• Description: Network Controller & Processor ICs Inverse-Multiplexing Ethernet Mapper wit
• Manufacturer: Maxim Integrated Products

Table 14-8. Receive RMII Interface
(Note 1,
REF_CLK Frequency
REF_CLK Period
REF_CLK Low Time
REF_CLK High Time
RXD, CRS_DV to
REF_CLK Setup Time
REF_CLK to RXD,
CRS_DV Hold Time
Figure 14-4. Receive RMII Interface Timing
Note 1:
REF_CLK
RXD[3:0]
CRS_DV
PARAMETER
Figure
Timing parameters in this table are guaranteed by design (GBD).
14-4)
SYMBOL
t1
t2
t3
t8
t9
t8
t8
MIN
7
7
5
5
10Mbps
±50ppm
310 of 335
50MHz
TYP
t9
20
t6
MAX
13
13
t5
MIN
7
7
5
5
t7
100Mbps
±50ppm
50MHz
TYP
20
MAX
t9
13
13
UNITS
MHz
ns
ns
ns
ns
ns