ThunderLAN

™ TNETE110PM

PCI ETHERNET

™ CONTROLLER

SINGLE-CHIP 10 BASE-T

SPWS029 – SEPTEMBER 1996

15

POST OFFICE BOX 1443

electrical characteristics over recommended ranges of supply voltage (unless otherwise noted)

(physical-interface pins) (continued)

10 Base-T transmitter drive characteristics (FXMTP, FXMTN)

PARAMETER

JEDEC

SYMBOL

TEST CONDITIONS

MIN

MAX

UNIT

VSLW

Differential voltage at specified slew rate

VOD(SLEW)

"2.2

"2.8

V

VO(CM)

Common-mode output voltage

VOC

See Figure 3d

0

4

V

VO(DIFF)

Differential output voltage

VOD

Into open circuit

5.25

V

VO(I)

Output idle differential voltage

VOD(IDLE)

"50

mV

IO(FC)

Output current, fault condition†

IO(FC)

300

mA

† Specified by design

AUI receiver input (ARCVP, ARCVN, ACOLP, ACOLN)

PARAMETER

JEDEC

SYMBOL

TEST

CONDITIONS

MIN

MAX

UNIT

VI(DIFF)1 Differential input voltage 1‡

VID(1)

See Note 12

0

3

V

VI(DIFF)2 Differential input voltage 2‡

VID(2)

See Note 13

0

100

mV

V(SQ)

Falling input pair squelch threshold

– 325

mV

‡ See recommended operating conditions

NOTES: 12. Common-mode frequency range – 10 Hz to 40 kHz

13. Common-mode frequency range – 40 kHz to 10 MHz

AUI-transmitter drive characteristics (AXMTP, AXMTN)

PARAMETER

JEDEC

SYMBOL

TEST CONDITIONS

MIN

MAX

UNIT

VO(DIFF)1

Differential output voltage

VOD(1)

See Note 14

"500 "1315

mV

VOI(DIFF)

Output idle differential voltage‡

VOD(IDLE)

"40

mV

VOI(DIFF)U

Output differential undershoot‡

VOD(IDLE)U

100

mV

IO(FC)

Output current, fault condition§

IO(FC)

150

mA

‡ See recommended operating conditions

§ Characterized but not tested

NOTE 14: The differential voltage is measured as per Figure 3b.

crystal-oscillator characteristics

PARAMETER

JEDEC

SYMBOL

TEST CONDITIONS

MIN

MAX

UNIT

VSB(FXTL1) Input self-bias voltage

VIB

1.7

2.8

V

IOH(FXTL2)

High-level output current

IOH

V(FXTL2) = VSB(FXTL1)

V(FXTL1) = VSB(FXTL1) + 0.5 V

– 1.3

– 5.0

mA

IOL(FXTL2)

Low-level output current

IOL

V(FXTL2) = VSB(FXTL1)

V(FXTL1) = VSB(FXTL1) – 0.5 V

– 0.4

1.3

mA