SN75LBC088

AUI CONCENTRATOR

SLLS150A – DECEMBER 1992 – REVISED MAY 1993

2–7

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature and supply voltage

range (unless otherwise noted)

drivers

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

VCM

Common-mode voltage

See Figure 1

1.0

4.2

V

VOD

Differential-output voltage

See Figure 2

±600 ±1315

mV

Idle differential voltage

See Figure 2

±40

mV

Idle differential load current

4

mA

receivers

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Differential-input threshold to disable squelch

t > 30 ns†

VID >

–275

mV

Differential-input threshold to not disable squelch

t < 20 ns†

VID <

–255

mV

VID

Differential-input voltage

±380

±1315

mV

VIC

Common-mode voltage

1

4.2

V

IIC

Common-mode current

±1

mA

Hysteresis (threshold)

±40

mV

† t is the duration time that the input signal swings from its common-mode state.

drivers and receivers

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

ICC

Supply current

DRVDDx RCVDD1 RCVDD2 VDD(L)

Steady state

150

mA

ICC

Supply current

DRVDDx, RCVDD1, RCVDD2, VDD(L)

Active

450

mA