Am79C988A

17

PRELIMINARY

Note:

1. CMOS Mode on PAUI signals is guaranteed by design and is compatible with normal CMOS levels present on other QuIET

device pins.

RXD Positive Squelch Threshold Ex-

tended Distance Mode

Sinusoid 5 MHz <f< 10 MHz

180

312

mV

RXD Positive Squelch Threshold Ex-

tended Distance Mode

Sinusoid 5 MHz <f< 10 MHz

-312

-180

mV

RXD Post-Squelch Positive Threshold

Extended Distance Mode

Sinusoid 5 MHz <f< 10 MHz

80

175

mV

RXD Post-Squelch Negative Threshold

Extended Distance Mode

Sinusoid 5 MHz <f< 10 MHz

-175

-80

mV

RXD Switching Threshold

(Note 1)

-60

+60

mV

TXD

± Differential Output Voltage Im-

balance

-40

+40

mV

TXD

± Idle Output Current

(Note 2)

-2

2

µA

Power Supply Current

Power Supply Current (All 4 ports Trans-

mitting Including TXD current)

(Uses Twisted Pair Switching

Test Current)

-

380

mA

Power Supply Current Idle

-

120

mA

Parameter

Symbol

Parameter Description

Test Conditions

Min

Max

Unit