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參數(shù)資料
| 型號： | AM79C98JC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | 網(wǎng)絡接口 |
| 英文描述： | Twisted-Pair Ethernet Transceiver (TPEX) |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 213K |
| 代理商： | AM79C98JC |
AMD
17
Am79C98
SWITCHING CHARACTERISTICS (continued)
Parameter
Symbol
Receive Timing
t
PWKRD
Parameter Description
Min
Max
Unit
RXD Pulse Width
Maintain/Turn-Off Threshold
|V
IN
| >|V
THS
|
(Note 5)
136
200
ns
t
RON
Receiver Start Up Delay
(RXD to DI+/–)
5 MHz Sinusoid
200
400
ns
t
RVB
First Validly Timed Bit
on DI+/– (RXD to DI)
t
RON
+100
ns
t
RSD
Receiver Static Propagation
Delay (RXD to DI)
70
ns
t
RETD
DI End of Transmission
200
ns
t
RHD
RXD L–>H to DI+ L–>H
and DI– H–>L Delay
(Note 1)
t
RSD
– 2.5
t
RSD
+ 2.5
ns
t
RLD
RXD H–>L to DI+ H–>L
and DI- L->H Delay
(Note 1)
t
RSD
– 2.5
t
RSD
+ 2.5
ns
t
RR
DI+, DI–, CI+, CI– Rise
Time (10% to 90%)
5.0
ns
t
RF
DI+, DI–, CI+, CI– Fall
Time (10% to 90%)
5.0
ns
t
RM
DI+/– & CI+/– Rise and Fall
Time Mismatch (|t
RR
– t
RF
|)
2.0
ns
t
RCVON
RCV Asserted Delay
t
RON
– 50
t
RON
+ 100
ns
t
RCVOFF
Collision Detection and SQE Test
t
CON
Collision Turn-On
Delay (CI+/–)
RCV De-asserted Delay
t
RSD
+ 250
ns
500
ns
t
COFF
Collision Turn-Off
Delay (CI+/–)
500
ns
t
PER
Collision Period (CI+/–)
87
117
ns
t
CPW
Collision Output Pulse Width
(CI+/-)
40
60
ns
t
SQED
SQE Test Delay Time
600
1600
ns
t
SQEL
SQE Test Length
500
1500
ns
Notes:
1. Parameter not tested.
2. Uses switching test load.
3. DO pulses narrower than t
PWODO
(min) will be rejected; pulses wider than t
PWODO
(max) will turn nternal DO carrier sense on.
4. DO pulses narrower than t
PWKDO
(min) will maintain internal DO carrier sense on; pulses wider than t
PWKDO
(max) will turn
internal DO carrier sense off.
5. RXD pulses narrower than t
PWKRD
(min) will maintain internal RXD carrier sense on; pulses wider than t
PWKRD
(max) will turn
internal RXD carrier sense off.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AM79C98JC/B | 制造商:Advanced Micro Devices 功能描述: 制造商:Advanced Micro Devices 功能描述:Part Number Only |
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| AM79C98PC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Twisted-Pair Ethernet Transceiver (TPEX) |
| AM79C98PC/B | 制造商:Advanced Micro Devices 功能描述:79C98PC/B |
| AM79CV12JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MODEM |
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