MC34055 datasheet(3/16 Pages) MOTOROLA

Part #	MC34055

Description	IEEE 802.3 10BASE-T TRANSCEIVER

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Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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MC34055

3

MOTOROLA ANALOG IC DEVICE DATA

ELECTRICAL CHARACTERISTICS (0

°C ≤ TA ≤ 70°C, VCC = 5.0 V, unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

TX EN H

Input High Voltage (IIH = 200 µA)

VIH

2.0

–

5.0

Vdc

Input Low Voltage (IIL = – 20 µA)

VIL

0

–

0.8

RX DATA A/RX EN H/JABB H/CTL H

Output Voltage (See Load Circuits: CMOS Load Circuit)

Vdc

High (IOH = –12 mA)

VOH

3.7

–

Low (IOL = +16 mA)

VOL

–

0.5

RX DATA B

Output Voltage (See Load Circuits: ECL Load Circuit)

Vdc

High:

@ 0

°C

VOH

0.984 VCC – 0.923

0.984 VCC – 0.763

@ 25

°C

0.984 VCC – 0.877

0.984 VCC – 0.727

@ 70

°C

0.984 VCC – 0.825

0.984 VCC – 0.644

Low:

@ 0

°C

VOL

0.750 VCC – 0.568

0.750 VCC – 0.361

@ 25

°C

0.750 VCC – 0.550

0.750 VCC – 0.350

@ 70

°C

0.750 VCC – 0.531

0.750 VCC – 0.324

SIGNAL QUALITY ERROR TEST ENABLE CONTROL (SQE EN L)

Test Control Voltage

Vdc

Test Disabled (Input High Voltage)(IIH = + 20 µA Max.)

VIH

2.0

–

5.0

Test Enabled (Input Low Voltage)(– 50

µA < IIL < –150 µA)

VIL

0

–

0.8

FULL DUPLEX MODE SELECT (FULLD L)

Mode Select Control Voltage

Vdc

Normal Operation (Input High)(IIH = + 20 µA)

VIH

2.0

–

5.0

Full Duplex (Input Low)(– 50

µA < IIH < –150 µA)

VIL

0

–

0.8

LOOPBACK TEST MODE FUNCTION (LOOP L)

Test Control Voltage

Vdc

Test Disabled (Input High)(IIH = + 20 µA)

VIH

2.0

–

5.0

Test Enabled (Input Low)(IIL = – 200 µA)

VIL

0

–

0.8

LINK FAIL STATUS (LINKFL H)

Status Output Voltage (See Load Circuits: CMOS Load Circuit)

Maximum Voltage for Output Low Condition (IOL = 20 mA)

VOH

–

0.5

Vdc

Output Low Sink Current

VOL

–

20

mA

CLOCK OSCILLATOR

Clk+ Input Logic Threshold

High Level Input Voltage (IIH = +100 µA Max.)

VIH

2.0

–

5.0

Vdc

Logic Low Input Voltage (IIL = –100 µA Max.)

VIL

–

0.8

µA

Clk Out Output Voltage (See Load Circuits: CMOS Load Circuit)

Vdc

Logic High (IOH = –12 mA)

VOH

3.7

3.9

–

Logic Low (Iout = +16 µA)

VOL

–

0.25

0.5

Output Load Circuits

TTL/CMOS Load Circuit

6.0k

Ω

20 pF

ECL Load Circuit

330

Ω

15 pF

Differential Load Circuit

100

Ω

TX–

TX+

39 (1%)

VOD

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