參數(shù)資料
型號： AM79C100JC
廠商： ADVANCED MICRO DEVICES INC
元件分類： 網(wǎng)絡接口
英文描述： Twisted-Pair Ethernet Transceiver Plus (TPEX Plus)
中文描述： DATACOM, ETHERNET TRANSCEIVER, PQCC28
封裝： PLASTIC, LCC-28
文件頁數(shù)： 16/24頁
文件大?。?/td> 208K
代理商： AM79C100JC
AMD
16
Am79C100
DC CHARACTERISTICS (continued)
Parameter
Symbol
Parameter Description
Twisted Pair Interface
Input Current at RXD
±
RXD
±
Differential Input
Resistance
Test Conditions
Min
Max
Unit
I
IRXD
AV
SS
< V
IN
< AV
DD
–500
500
uA
R
RXD
(Note 1)
10
K
V
TIVB
RXD+, RXD– Open Circuit
Input Voltage (Bias)
I
IN
= 0 mA
Av
DD
–3.0
Av
DD
–1.5
V
V
TIDV
Differential Mode Input
Voltage Range (RXD
±
)
RXD Positive
Squelch Threshold (Peak)
AV
DD
= +5 V
–3.1
3.1
V
V
TSQ+
Sinusoid
5 MHz
<
f
<
10 MHz
Sinusoid
5 MHz
<
f
<
10 MHz
Sinusoid
5 MHz
<
f
<
10 MHz
Sinusoid
5 MHz
<
f
<
10 MHz
LRT
= LOW
300
520
mV
V
TSQ–
RXD Negative
Squelch Threshold (Peak)
–520
–300
mV
V
THS+
RXD Post-Squelch Positive
Threshold (Peak)
150
293
mV
V
THS–
RXD Post-Squelch Negative
Threshold (Peak)
–293
–150
mV
V
LTSQ+
RXD Positive
Squelch Threshold (Peak)
180
312
mV
V
LTSQ–
RXD Negative
Squelch Threshold (Peak)
LRT
= LOW
–312
–180
mV
V
LTHS+
RXD Post-Squelch Positive
Threshold (Peak)
LRT
= LOW
90
175
mV
V
LTHS–
RXD Post-Squelch Negative
Threshold (Peak)
LRT
= LOW
–175
–90
mV
V
RXDTH
RXD Switching Threshold
(Note 1)
–60
60
mV
V
TXH
TXD
±
and TXP
±
Output HIGH Voltage
DV
SS
= 0 V
(Note 2)
DV
DD
–0.6
DV
DD
V
V
TXL
TXD
±
and TXP
±
Output LOW Voltage
DV
SS
= +5 V
(Note 2)
DV
SS
DV
SS
+ 0.6
V
V
TXI
TXD
±
and TXP
±
Differential
Output Voltage Imbalance
–40
40
mV
V
TXOFF
TXD
±
and TXP
±
Idle Output Voltage
DV
DD
= +5 V
–40
40
mV
R
TX
TXD
±
and TXP
±
Differential
Driver Output Impedance
(Note 1)
40
I
IREXT
Input Current at REXT Pin
R
EXT
= 24.3 k
±
1%
AV
DD
= +5 V
120
μ
A
Power Supply Current
I
DD
Power Supply Current
(Idle)
Power Supply Current
(Transmitting—No TP load)
Power Supply Current
(Transmitting—with TP load)
PRDN/RST
= HIGH
DV
DD
= AV
DD
= +5 V
PRDN/RST
= LOW
40
mA
95
mA
PRDN/RST
= HIGH
DV
DD
= AV
DD
= +5 V
150
mA
I
DDPRDN
Power Supply Current
in Power Down Mode
PRDN/RST
= LOW
4
mA
Notes:
1. Parameter not tested.
2. Uses switching test load.
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