IXP45X datasheet(119/148 Pages) INTEL

номер детали	IXP45X

подробное описание детали	Product Line of Network Processors

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производитель	INTEL [Intel Corporation]

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Intel® IXP45X and Intel® IXP46X Product Line of Network Processors

August 2006

Datasheet

Document Number: 306261-004US

119

Datasheet—Intel® IXP45X and Intel® IXP46X Product Line of Network Processors

5.6.2.4

MII/SMII

Table 55.

UTOPIA Level 2 Output Timings Values

Symbol

Parameter

Min.

Max.

Units

Notes

Tclk2out

Rising edge of clock to signal output. Outputs

included in this timing are UTP_OP_SOC,

UTP_OP_FCO, UTP_IP_FCO,

UTP_OP_DATA[7:0], UTP_IP_ADDR[4:0] and

UTP_OP_ADDR[4:0].

Tholdout

Signal output hold time after the rising edge of

the clock. Outputs included in this timing are

UTP_OP_SOC, UTP_OP_FCO, UTP_IP_FCO,

UTP_OP_DATA[7:0], UTP_IP_ADDR[4:0] and

UTP_OP_ADDR[4:0].

1ns

Notes:

Timing was designed for a system load between 5pF and 25pF

Figure 21.

SMII Output Timings

Table 56.

SMII Output Timings Values

Symbol

Parameter

Min.

Max.

Units

Notes

Clock to output delay for SMII_TXD[4:0] and

SMII_SYNC with respect to rising edge of

SMII_CLK

1.5

SMII_TXD[4:0] and SMII_SYNC hold time after

SMII_CLK.

1.5

Notes:

Timing was designed for a system load between 5pF and 15pF

SMII_CLK

SMII_OUTPUTS

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