W89C982 datasheet(18/28 Pages) WINBOND

18 / 28 page

Preliminary W89C982AF

- 18 -

AUI

PARAMETER

SYM.

MIN.

MAX.

UNIT

Input Current at CI+/-, DI+/- pairs

IIA

Differential Output Voltage (DO+/-)

VDD

+/-550

+/-1200

Differential Output Voltage Imbalance (DO+/-)

VOB

Undershoot Voltage (DO+/-)

100

Differential Squelch Threshold (CI+/-, DI+/-)

VDS

-175

-300

Differential Input Common Mode Voltage (DI+/-, CI+/-)

VCM

4.0

Twisted Pair

PARAMETER

SYM.

MIN.

TYP.

MAX.

UNI

Power Supply Voltage

VDD

4.5

5.0

5.5

Input Voltage

VIN

-0.3

VDD +0.3

RD+/- Differential Input Resistance

RTI

Ω

RD+/- Differential Input Voltage (VDD =

5V)

VTIV

±0.3

±3.1

RD+/- Squelched Threshold

VTPS

±300

±400

±585

RD+/- low Squelched Threshold

VTPU

±150

±220

±300

RD+/- Input Switching Threshold

VRDT

±5

±10

±20

DT+, DT-, DD+, DD- Imbalance Voltage

VTDU

±40

DT+, DT-, DD+, DD- High Output Voltage

VTOH

VDD TP -0.44

VDD TP

DT+, DT-, DD+, DD- Low Output Voltage

(I = 32 mA)

VTOL

VSS TP

VDD TP +0.44

DT+, DT-, DD+, DD- Output Current

ITO

DT+, DT-, DD+, DD- Output Resistance

RTO

Ω

Pad Capacitance

CLD

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