dp83630sqx National Semiconductor Corporation, dp83630sqx Datasheet - Page 121

• Manufacturer Part Number: dp83630sqx
• Description: Precision Phyter - Ieee 1588 Precision Time Protocol Transceiver
• Manufacturer: National Semiconductor Corporation

T2.30.1
T2.30.2
T2.30.3
T2.30.4
Parameter
18.2.30 Single Clock MII (SCMII) Transmit Timing
Note: Latency measurement is made from the X1 rising edge to the first bit of symbol.
X1 Clock Period
TXD[3:0], TX_EN Data Setup
TXD[3:0], TX_EN Data Hold
X1 Clock to PMD Output Pair
Latency (100 Mb)
Description
25 MHz Reference Clock
To X1 rising edge
From X1 rising edge
100BASE-TX or 100BASE-FX
Notes
121
Min
4
2
Typ
40
13
30136247
Max
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Units
bits
ns
ns
ns