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AM79C989JC датащи(PDF) 30 Page - Advanced Micro Devices

номер детали AM79C989JC
подробное описание детали  Quad Ethernet Switching Transceiver (QuEST??
PDF  37 Pages
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производитель  AMD [Advanced Micro Devices]
домашняя страница  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C989JC датащи(HTML) 30 Page - Advanced Micro Devices

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30
Am79C989
PRELIMINARY
Note: 1. Parameter not tested.
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
Attachment Unit Interface (AUI) (continued)
VATH
Receive Data Differential Input
Threshold CI/DI
±
(Note 1)
-35
+35
mV
VASQ
DI
± and CI± Differential Input
Threshold (Squelch)
-275
-160
mV
VAIDV
DI
± and CI± Differential Mode Input
Voltage Range
-2.5
+2.5
V
VAICM
DI
± and CI± Input Bias Voltage
IIN = 0 mA
VDD -3.0
VDD -1.0
V
10BASE-T Receive Interface
IIRXD
Input Current at RXD
±
VSSRX <VIN <VDD
-500
500
µA
RRXD
RXD
± Differential Input Resistance
(Note 1)
10
k
Ω
VTIVB
RXD+, RXD- Open Circuit Input
Voltage (Bias)
IIN = 0 mA
VDDTX -3.0
VDDTX -1.5
V
VTIDV
Differential Mode Input Voltage Range
(RXD
±)
VDDTX = +5.0 V
-3.1
+3.1
V
VTSQ+
RXD Positive Squelch Threshold
(Peak)
Sinusoid
5 MHz
≤ f ≤10 MHz
300
520
mV
VTSQ-
RXD Negative Squelch Threshold
(Peak)
Sinusoid
5 MHz
≤ f ≤ 10 MHz
-520
-300
mV
VTHS+
RXD Post-Squelch Positive Threshold
(Peak)
Sinusoid
5 MHz
≤ f ≤ 10 MHz
150
293
mV
VTHS-
RXD Post-Squelch Negative
Threshold (Peak)
Sinusoid
5 MHz
≤ f ≤ 10 MHz
-293
-150
mV
VLTSQ+
RXD Positive Squelch Threshold
(Peak). Extended Distance Mode.
Sinusoid
5 MHz
≤ f ≤ 10 MHz
180
312
mV
VLTSQ-
RXD Negative Squelch Threshold
(Peak). Extended Distance Mode.
Sinusoid
5 MHz
≤ f ≤ 10 MHz
-312
-180
mV
VLTHS+
RXD Post-Squelch Positive Threshold
(Peak). Extended Distance Mode.
Sinusoid
5 MHz
≤ f ≤ 10 MHz
90
175
mV
VLTHS-
RXD Post-Squelch Negative
Threshold (Peak). Extended Distance
Mode.
Sinusoid
5 MHz
≤ f ≤ 10 MHz
-175
-90
mV
VRXDTH
RXD Switching Threshold
(Note 1)
-35
35
mV
Power Supply Current
IDDTX
Power Supply Current (All 10BASE-T
Ports Transmitting)
275
mA



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