AM79C984AKC 데이터 시트보기 (PDF) - Advanced Micro Devices

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AM79C984AKC

enhanced Integrated Multiport Repeater (eIMR™)

Advanced Micro Devices 

PRELIMINARY

DC CHARACTERISTICS (continued)

Parameter

Symbol

Parameter Description

Test Conditions

Twisted Pair Ports (Continued)

VTSQ+

RXD Positive Squelch Threshold

(peak)

Sinusoid

5 MHz<f<10 MHz

VTSQ–

RXD Negative Squelch Threshold

(peak)

Sinusoid

5 MHz<f<10 MHz

VTHS+

RXD Post-Squelch Positive

Threshold (peak)

Sinusoid

5 MHz<f<10 MHz

VTHS–

VLTSQ+

RXD Post-Squelch Negative

Threshold (peak)

RXD Positive Squelch Threshold

(peak) - Extended Distance Mode

Sinusoid

5 MHz<f<10 MHz

Sinusoid

5 MHz<f<10 MHz

VLTSQ–

RXD Negative Squelch Threshold

(peak) - Extended Distance Mode

Sinusoid

5 MHz<f<10 MHz

VLTHS+

RXD Post-Squelch Positive

Threshold - Extended Distance Mode

Sinusoid

5 MHz<f<10 MHz

VLTHS–

RXD Post-Squelch Negative

Threshold - Extended Distance Mode

Sinusoid

5 MHz<f<10 MHz

VRXDTH RXD Switching Threshold

Power Supply Current

(Note 1)

IDD

Power Supply Current

(Idle) (Note 2)

Power Supply Current

(Transmitting)

CLK = 20 MHz

VDD = +5.25V

CLK = 20 MHz

VDD = +5.25V

Notes:

1. Parameter not tested.

2. LED current not included. Maximum current rating on LED drivers is 12 mA.

Min

300

–520

150

–293

180

–365

90

–175

–60

–

–

Max

520

–300

293

–150

365

–180

175

–90

60

100

350

Unit

mV

mV

mV

mV

mV

mV

mV

mV

mV

mA

mA

Am79C984A

33

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