參數(shù)資料
型號(hào): LXT9883HC
英文描述: LAN HUB CONTROLLER
中文描述: 局域網(wǎng)集線器控制器
文件頁數(shù): 74/96頁
文件大?。?/td> 1309K
代理商: LXT9883HC
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
74
Datasheet
Figure 37. 100 Mbps IRB Timing
Table 44. 100 Mbps IRB Timing Parameters
1
Parameter
Symbol
t
12A
t
12B
t
12C
Min
Typ
2
Max
Units
3
Test Conditions
TPIP/N or FIBP/N to IR100DV Low
18
24
30
BT
IR100DAT to IR100CLK setup time.
10
ns
IR100DAT to IR100CLK hold time.
0
ns
1. This table contains propagation delays from the TP ports to the IRB for normal repeater operation. All values in this table are
output timings.
2. Typical figures are at 25 C and are for design aid only; not guaranteed and not subject to production testing.
3. Bit Time (BT) is the duration of one bit as transferred to/from the MAC and is the reciprocal of bit rate. BT for 100BASE-T =
10
s or 10 ns.
TPIP/N
FIBIP/N
IR100DV
IR100CFS
1R100COL
IR100DAT<4:0>
t
12A
t
12B
IR100CLK
t
12C
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