VSC8541XMV-05 datasheet(80/101 Pages) MICROCHIP

Part #	VSC8541XMV-05

Description	Single Port Gigabit Ethernet Copper PHY with GMII/RGMII/MII/RMII Interfaces

PDF	101 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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80 / 101 page

Electrical Specifications

VMDS-10513 VSC8541-02 Datasheet Revision 4.1

Figure 26 •

GMII Transmit Timing

5.2.8

GMII Receive

The following table lists the characteristics when using the device in GMII receive mode. For information

about the GMII receive timing, see Figure 27, page 72.

Hold from GTX_CLK rising

When propagation delays of

the GMII “clock” path is no

more than 400 ps greater

than the GMII “signal” path

propagation delay.

GTX_CLK rise and fall times tR and tF

1.0

Measured from 0.7 V to

1.9 V, VDDMAC = 2.5 V and

3.3 V

Table 106 •

GMII Receive AC Characteristics

Parameter

Symbol

Minimum

Typical

Maximum

Unit Condition

Clock frequency

fCLK

125

MHz

Frequency offset tolerance

fTOL

–100

100

ppm

Pulse width high

tHIGH

2.5

Pulse width low

tLOW

2.5

Setup to RX_CLK rising

tSU

2.5

Hold from RX_CLK rising

0.5

RX_CLK rise and fall times

tR and tF

1.0

Measured from 0.7 V to

1.9 V, VDDMAC = 2.5 V and

3.3 V

Table 105 •

GMII Transmit (continued)AC Characteristics

Parameter

Symbol

Minimum

Typical

Maximum

Unit Condition

GTX_CLK

TXD[7:0]

TX_EN

TX_ER

tHIGH

tLOW

fCLK

tSU

1.9 V

0.7 V

1.9 V

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