参数资料
型号: DP83848YB/NOPB
厂商: National Semiconductor
文件页数: 69/86页
文件大小: 0K
描述: IC TXRX ETHERNET PHYTERA 48-LQFP
标准包装: 250
类型: 收发器
驱动器/接收器数: 1/1
规程: 以太网
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 48-LQFP 裸露焊盘
供应商设备封装: 48-LQFP 裸露焊盘(7x7)
包装: 带卷 (TR)
其它名称: DP83848YBTR
www.national.com
70
DP8
3
84
8Y
B
8.2.9 100BASE-TX Receive Packet Latency Timing
Note: Carrier Sense On Delay is determined by measuring the time from the first bit of the “J” code group to the assertion
of Carrier Sense.
Note: 1 bit time = 10 ns in 100 Mb/s mode
Note: PMD Input Pair voltage amplitude is greater than the Signal Detect Turn-On Threshold Value.
8.2.10 100BASE-TX Receive Packet Deassertion Timing
Note: Carrier Sense Off Delay is determined by measuring the time from the first bit of the “T” code group to the deasser-
tion of Carrier Sense.
Note: 1 bit time = 10 ns in 100 Mb/s mode
Parameter
Description
Notes
Min
Typ
Max
Units
T2.9.1
Carrier Sense ON Delay
100 Mb/s Normal mode
20
bits
T2.9.2
Receive Data Latency
100 Mb/s Normal mode
24
bits
Parameter
Description
Notes
Min
Typ
Max
Units
T2.10.1
Carrier Sense OFF Delay
100 Mb/s Normal mode
24
bits
CRS
RXD[3:0]
PMD Input Pair
RX_DV
RX_ER
IDLE
Data
(J/K)
CRS
PMD Input Pair
DATA
IDLE
(T/R)
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