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AM79C985JC датащи(PDF) 36 Page - Advanced Micro Devices

номер детали AM79C985JC
подробное описание детали  enhanced Integrated Multiport Repeater Plus (eIMR??
PDF  48 Pages
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производитель  AMD [Advanced Micro Devices]
домашняя страница  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C985JC датащи(HTML) 36 Page - Advanced Micro Devices

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Am79C985
PRELIMINARY
DC CHARACTERISTICS (continued)
Notes:
1. Parameter not tested.
2. LED current not included. Maximum current rating on LED drivers is 12 mA.
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
Twisted Pair Ports (Continued)
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
365
mV
VLTSQ–
RXD Negative Squelch Threshold
(peak) - Extended Distance Mode
Sinusoid
5 MHz<f<10 MHz
–365
–180
mV
VLTHS+
RXD Post-Squelch Positive
Threshold - Extended Distance Mode
Sinusoid
5 MHz<f<10 MHz
90
175
mV
VLTHS–
RXD Post-Squelch Negative
Threshold - Extended Distance Mode
Sinusoid
5 MHz<f<10 MHz
–175
–90
mV
VRXDTH
RXD Switching Threshold
(Note 1)
–60
60
mV
Power Supply Current
IDD
Power Supply Current
(Idle) (Note 2)
CLK = 20 MHz
VDD = +5.25V
–
100
mA
Power Supply Current
(Transmitting)
CLK = 20 MHz
VDD = +5.25V
–
350
mA



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