AM79C98PC AMD [Advanced Micro Devices], AM79C98PC Datasheet - Page 16
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AM79C98PC
Manufacturer Part Number
AM79C98PC
Description
Twisted-Pair Ethernet Transceiver (TPEX)
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C98PC.pdf
(22 pages)
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Manufacturer
Quantity
Price
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AM79C98PC/B
Manufacturer:
MCL
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350
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Part Number:
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Manufacturer:
AMD
Quantity:
6 261
Company:
Part Number:
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Manufacturer:
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SWITCHING CHARACTERISTICS over COMMERCIAL
16
Parameter
Transmit Timing
Symbol
t
t
t
t
t
t
XMTOFF
t
PWODO
DODION
DODISD
t
PWKDO
XMTON
t
t
PWPLP
t
t
PERLP
t
PWLP
AMD
t
t
t
THDP
TETD
t
TLDP
JREC
t
TON
TSD
t
THD
t
TLD
t
t
TR
TM
TF
JA
JR
Parameter Description
DO Pulse Width
Accept/Reject Threshold
DO Pulse Width
Maintain/Turn-Off Threshold
Transmit Start Up Delay
Transmit Static Propagation
Delay (DO to TXD)
DO to DI Startup Delay
DO to DI Static Propagation
Delay
Transmit End of Transmission
Transmitter Rise Time
(10% to 90%)
Transmitter Fall Time
(90% to 10%)
Transmitter Rise and Fall
Time Mismatch
DO L–>H to TXD+ L–>H
and TXD- H->L Delay
DO H–>L to TXD+ H–>L
and TXD– L–>H Delay
DO L–>H to TXP+ H–>L
and TXP- L->H Delay
DO H–>L to TXP+ L–>H
and TXP– H->L Delay
XMT Asserted Delay
XMT De-asserted Delay
Idle Signal Period
Idle Link Test Pulse Width
Predistortion Idle Link Test
Pulse Width
Transmit Jabber
Activation Time
Transmit Jabber
Reset Time
Transmit Jabber
Recovery Time (Minimum time
gap between transmitted
packets to prevent jabber
activation)
|V
(Note 3)
|V
(Note 4)
Steady State
(Note 1)
Steady State
(Note 1)
Steady State
(Note 1)
Steady State
(Note 1)
(Note 1)
(Note 1)
IN
IN
Am79C98
| > |V
| > |V
ASQ
ASQ
|
|
t
t
t
t
TSD
TSD
TSD
TSD
Min
105
250
250
1.0
15
75
40
20
8
– 1.0
– 1.0
+ 40
+ 40
t
t
t
t
TSD
TSD
TSD
TSD
Max
200
300
120
300
100
450
100
300
120
150
750
35
10
10
24
60
4
–
+ 1.0
+ 1.0
+ 60
+ 60
Unit
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s