參數(shù)資料
型號: 84225
廠商: LSI Corporation
英文描述: Quad 100BaseTX/100BaseFX/10BaseT Physical Layer Device (Highly Integrated Ethernet Transceiver For Twisted Pair And Fiber Ethernet Applications)(四通道100BaseTX/100BaseFX/10BaseT 物理層處理器(高度集成的以太網(wǎng)雙絞線和光纖數(shù)據(jù)收發(fā)器))
中文描述: 四100BaseTX/100BaseFX/10BaseT物理層裝置(高度集成的以太網(wǎng)收發(fā)器,雙絞線和光纖以太網(wǎng)的應用)(四通道100BaseTX/100BaseFX/10BaseT物理層處理器(高度集成的以太網(wǎng)雙絞線和光纖數(shù)據(jù)收發(fā)器) )
文件頁數(shù): 61/86頁
文件大?。?/td> 1297K
代理商: 84225
MD400183/A
61
84225
AC Test Timing Conditions
Unless otherwise noted, all test conditions are as follows:
1. T
A
= 0 to +70
C
2. V
DD
= 3.3 V +5%
3. 25 MHz +0.01%
4. REXT = 10K +1%, no load
5. Input conditions:
All Inputs:
6. Output Loading
TPOP/N:
REGDEF:
All Other Digital Outputs:
7. Measurement Points:
TPOP/N, TPIP/N:
All other inputs and outputs:
o
tr,tf <= 10 nS, 20-80%
Same as Figure 12 or Equivalent, 10 pF
1K Pullup, 50 pF
25 pF
0 V During Data, +0.3 V at start/end of packet
1.4 V
5.7 Clock Timing Characteristics
Refer To Figure 16 For Timing Diagram
LIMIT
SYM
t
1
PARAMETER
CLKIN Period
MIN
39.996
19.996
16
7
16
7
TYP
40
20
MAX
40.004
20.002
UNIT
nS
nS
nS
nS
nS
nS
nS
CONDITIONS
MII
RMII
MII
RMII
MII
RMII
100 Mbps, MII
t
2
CLKIN High Time
t
3
CLKIN Low Time
t
4
CLKIN to TXCLK Delay
10
20
nS
10 Mbps, MII
TXCLK
(100 MB)
TXCLK
(10 MB)
t4
t4
t4
CLKIN
t1
t2
t3
Figure 16. Output Timing
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