VSC8221 datasheet(136/138 Pages) MICROSEMI

136 / 138 page

VSC8221

Data Sheet

VMDS-10106 Revision 4.1

December 2006

136 of 138

138

4.0

(continued)

May 02, 05

(continued)

Changed the power consumption specification for the device with VDDiO at 3.3V, in

SGMii-to-Cat-5 mode (100 Mbps), FD, 1518-byte randmom data packet, 100%

utilization; and with SCLK, SFT and regulator off. For more information, see Table 41,

“VDDiO at 3.3 V, SGMii-Cat-5 (100 Mbps), SCLK Disabled,” on page 110.

Changed the power consumption specification for the device with VDDiO at 3.3V, in

SGMii-to-Cat-5 mode (10 Mbps), FD, 1518-byte randmom data packet, 100%

utilization; and with SCLK, SFT and regulator off. For more information, see Table 42,

“VDDiO at 3.3 V, SGMii-Cat-5 (10 Mbps), SCLK Disabled,” on page 111.

Changed the power consumption specification for the device with VDDiO at 3.3V, in

SerDes-to-Cat-5 mode, FD, 1518-byte randmom data packet, 100% utilization; and

with SFT and regulator off, SCLK on. For more information, see Table 43, “VDDiO at

3.3 V SerDes-Cat-5, SCLK Enabled,” on page 111.

Changed the output high voltage specification for the digital pins when VDDiO = 3.3 V.

Also changed the specification for the output low voltage. Also changed the

specification for the input high voltage. Also changed the specification for the input low

voltage. For more information, see Table 47, “Digital Pins Specifications (VDDiO =

3.3 V),” on page 114.

Changed the specification for random jitter (RJ) in the SerDes specifications table. For

more information, see Table 52, “SerDes Specifications,” on page 117. Also changed

deterministic jitter specification (DJ) in the same table.

Added specifications for the device reset timing. For more information, see Section

28.7, “Reset Timing” on page 24-123.

Added information about the moisture sensitivity of the device package. For more

information, see Section 29.2, “Package Moisture Sensitivity” on page 25-124.

Deleted temperature range information from the device ordering information.

Added descriptive information and specifications for the device SerDes jitter. For more

information, see Section 31.3, “SerDes Jitter” on page 27-126.

Added descriptive information, specifications, illustrations and example cases related to

the device's corruption of packets with odd preambles when operating in SGMii

100BASE-TX mode. For more information, see Section 31.4, “SGMii 100BASE-TX

Corruption of Packets with Odd Preambles” on page 27-127.

Added descriptive information related to the device's corruption of packets with no

ESDs when operating in SGMii 100BASE-TX mode. For more information, see Section

31.5, “SGMii 100BASE-TX Corruption of Packets with no ESDs” on page 27-127.

Added descriptive information and specifications related to the device's software reset

timing. For more information, see Section 31.6, “Software Reset Time” on page 27-128.

Added descriptive information related to the reduction of EMi. For more information,

see Section 31.7, “Reducing EMi” on page 27-128.

Revision

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