DP83850CVF National Semiconductor, DP83850CVF Datasheet - Page 31

• Manufacturer Part Number: DP83850CVF
• Description: IC CONTROLLER INTERFACE 132-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83850CVF

• Controller Type: Ethernet Repeater Interface Controller
• Interface: Serial
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 295mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 132-MQFP, 132-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83850CVF

6.0 A.C. and D.C. Specifications
6.2.4 Inter Repeater Collision Timing
Note 9: This timing refers to the condition where the repeater has detected a change from its driven arbitration vector to
what is seen on the IR_VECT[4:0] bus. In other words, an “Inter Repeater” collision is occurring.
Note 10: This timing refers to the condition where the DP83850C first drives its vector onto IR_VECT[4:0] at the begin-
ning of a packet. The IR_VECT[4:0] feedback (possibly returning from an external bus) must be stable by this time.
Note 11: Guaranteed By Design.
6.2.5 Management Bus - Output Mode Timing
T20A /ACTIVEO low to IR_VECT[4:0] feedback
T21
T22
T23
T19
T20
/M_DV assertion [de-assertion] from M_CK high
MD[3:0] or /M_ER valid from M_CK high
Removed
IR_VECT[4:0] change to /IR_COL_OUT assertion[de-assertion]
/IR_COL_OUT assertion to IRD_ODIR de-assertion
Description
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Description
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