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參數(shù)資料
| 型號： | AM79C981 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Integrated Multiport Repeater Plus⑩ (IMR+⑩) |
| 中文描述： | 綜合多端中繼器加⑩（死亡率⑩） |
| 文件頁數(shù)： | 29/40頁 |
| 文件大?。?/td> | 347K |
| 代理商： | AM79C981 |
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AMD
PRELIMINARY
1–99
Am79C981
SWITCHING CHARACTERISTICS (continued)
Notes:
1. Parameter not tested.
2. Uses switching test load.
3. DI pulses narrower than t
PWODI
(min) will be rejected; pulses wider than t
PWODI
(max) will turn internal DI carrier sense on.
4. DI pulses narrower than t
PWKDI
(min) will maintain nternal DI carrier sense on; pulses wider than t
PWKDI
(max) will turn nternal
DI carrier sense off.
5. CI pulses narrower than t
PWOCI
(min) will be rejected; pulses wider than t
PWOCI
(max) will turn internal CI carrier sense on.
6. CI pulses narrower than t
PWKCI
(min) will maintain internal CI carrier sense on; pulses wider than t
PWKCI
(max) will turn
internal CI carrier sense off.
7. RXD pulses narrower than t
PWKRD
(min) will maintain internal RXD carrier sense on; pulse wider than t
PWKRD
(max) will
turn internal RXD carrier sense off.
8. For the typical twisted pair load as shown in Figure 7, using a 100
cable, an additional 28 mA (max) of I
DD
current is
required for each twisted pair port used. Less than 18% of the power associated with this additional current is dissipated
by the IMR+ chip; the remainder is dissipated externally in the twisted pair load and cable.
相關PDF資料 |
PDF描述 |
|---|---|
| AM79C981JC | Integrated Multiport Repeater Plus⑩ (IMR+⑩) |
| AM79C982 | basic Integrated Multiport Repeater (bIMR) |
| AM79C982-4JC | basic Integrated Multiport Repeater (bIMR) |
| AM79C982-8JC | basic Integrated Multiport Repeater (bIMR) |
| AM79C983AKC | Integrated Multiport Repeater 2 (IMR2⑩) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C981JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Integrated Multiport Repeater Plus⑩ (IMR+⑩) |
| AM79C982 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:basic Integrated Multiport Repeater (bIMR) |
| AM79C982-4JC | 制造商:Advanced Micro Devices 功能描述:LAN HUB CONTROLLER, 84 Pin, PLCC |
| AM79C982-8JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:basic Integrated Multiport Repeater (bIMR) |
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