參數(shù)資料
型號(hào): 9883
廠商: Intel Corp.
英文描述: Advanced 10/100 Umnmanaged Repeater
中文描述: 高級(jí)10/100 Umnmanaged直放站
文件頁數(shù): 55/56頁
文件大?。?/td> 719K
代理商: 9883
Advanced 10/100 Unmanaged Repeater
LXT9883/9863
Datasheet
Document #: 249115
Revision #: 003
Rev. Date: 08/07/01
55
Figure 25. 10 Mbps IRB-to-TP Port Timing
Table 34. 10 Mbps IRB-to TP Port Timing Parameters
Parameter
Symbol
Min
Typ
1
Max
Units
2
Test Conditions
MACACTIVE to IR10ENA
assertion delay
3
t
14A
100
ns
MACACTIVE High to IR10ENA Low.
4
IR10DAT (input) to IR10CLK
setup time
t
14B
20
ns
IR10DAT valid to IR10CLK rising
edge.
4
IR10CLK to IR10DAT (input)
hold time
t
14C
0
ns
IR10CLK rising edge to IR10DAT
change.
4
IR10ENA asserted to
TPOP/N active
t
14D
5
5.1
6
BT
1. Typical values are at 25
°
C and are for design aid only; they are not guaranteed and not subject to production testing.
2. Bit Time (BT) is the duration of one bit as transferred to/from the MAC and is the reciprocal of bit rate. BT for
10BASE-T = 10
-7
s or 100ns.
3. External devices should allow at least one 10 MHz clock cycle (10 ns) between assertion of MACACTIVE and IR10ENA.
4. Input.
MACACTIVE
IR10ENA
IR10DAT
t
14A
t
14B
IR10CLK
t
14C
TPOP/N
t
14D
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