Maxim DS33R11 specifications Receive Rmii Interface Timing

DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

Table 13-8. Receive RMII Interface

(Note 1, Figure 13-4)

PARAMETER	SYMBOL		10Mbps			100Mbps		UNITS
		MIN	TYP	MAX	MIN	TYP	MAX
REF_CLK Frequency			50MHz			50MHz		MHz
			±50ppm			±50ppm
REF_CLK Period	t1		20			20		ns
REF_CLK Low Time	t2	7		13	7		13	ns
REF_CLK High Time	t3	7		13	7		13	ns
RXD, CRS_DV to REF_CLK Setup	t8	5			5			ns
Time
REF_CLK to RXD, CRS_DV Hold	t9	5			5			ns
Time

Note 1: Timing parameters in this table are guaranteed by design (GBD).

Figure 13-4. Receive RMII Interface Timing
	t5
REF_CLK	t7
	t6
t8	t9
RXD[3:0]
t8	t9
CRS_DV

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