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參數(shù)資料
| 型號： | AM79C100 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Twisted-Pair Ethernet Transceiver Plus (TPEX Plus) |
| 中文描述： | 雙絞線以太網(wǎng)收發(fā)器（TPEX加） |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 208K |
| 代理商： | AM79C100 |
AMD
18
Am79C100
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
min
(Note 5)
136
200
ns
t
RON
Receiver Start Up Delay
(RXD to DI
±
)
First Validly Timed Bit
on DI
±
Receiver Static Propagation
Delay (RXD
±
to DI
±
)
DI End of Transmission
Tested with 5 MHz
Sinusoid
200
400
ns
t
RVB
t
RON
+100
ns
t
RSD
70
ns
t
RETD
200
ns
t
RHD
RXD
± ↑
to DI+
↑
and DI–
↓
Delay
RXD
± ↓
to DI+
↓
and DI–
↑
Delay
DI+, DI–, CI+, CI– Rise Time
(10% to 90%)
(Note 1)
t
RSD
– 2.5
t
RSD
+ 2.5
ns
t
RLD
(Note 1)
t
RSD
– 2.5
t
RSD
+ 2.5
ns
t
RR
5
ns
t
RF
DI+, DI–, CI+, CI– Fall Time
(10% to 90%)
5
ns
t
RM
DI
±
and CI
±
Rise and Fall
Time Mismatch (t
RR
– t
RF
)
2
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
±
)
t
COFF
Collision Turn-Off
Delay (CI
±
)
t
PER
Collision Period (CI
±
)
RCV De-asserted Delay
20
62
ms
500
ns
500
ns
87
117
ns
t
CPW
Collision Output Pulse Width
(CI
±
)
SQE Test Delay Time
40
60
ns
t
SQED
600
1600
ns
t
SQEL
SQE Test Length
500
1500
ns
t
COLON
COL Asserted Delay
t
CON
– 50
t
CON
+ 100
ns
t
COLOFF
Notes:
1. Parameter not tested.
2. Uses switching test load.
COL De-asserted Delay
20
62
ms
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.
Test Conditions
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|---|---|
| AM79C100JC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| AM79C12PC | 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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