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Fabricante

MC145406

EIA-232-D/V.28 driver/receiver

Philips Electronics 

Philips Semiconductors Linear Products

EIA-232-D/V.28 driver/receiver

Product specification

MC145406

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

VCC

Supply voltage

VDD

Supply voltage

VSS

Supply voltage

Input voltage range

VIR

RX1-3 inputs

DI1-3 inputs

DC current per pin

PD

Power dissipation (package)

TA

Operating temperature range

TSTG

θJA

Storage temperature range

Thermal impedance N package

D package

RATING

-0.5 to +6.0

-0.5 to +13.5

+0.5 to -13.5

(VSS - 15) to (VDD + 15)

-0.5 to (VCC + 0.5)

+100

1.0

0 to +70

-65 to +150

80

105

UNITS

V

V

V

V

mA

W

°C

°C

°C/W

NOTE: This device contains protection circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is

advised that normal precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit.

For proper operation, it is recommended that the voltages at the DI and DO pins be constrained to the range GND < VDI < VDD and GND < VDO

< VCC. Also, the voltage at the RX pin should be constrained to +25V, and TX should be constrained to VSS < VTX1-3 < VDD. Unused inputs

must always be tied to an appropriate logic voltage level (e.g., GND or VCC for DI, and VSS or VDD for RX).

DC ELECTRICAL CHARACTERISTICS

Typical values are at TA = 0 to 70°C; GND = 0V, unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

DC supply voltage

VDD

VSS

VCC

Quiescent supply current (outputs unloaded, inputs low)

IDD

ISS

ICC

VDD = +12V

VSS = -12V

VCC = +5V

LIMITS

UNITS

MIN

TYP

MAX

4.5

5 to 12

13.2

V

-4.5 -5 to -12 -13.2

V

4.5

5.0

5.5

V

20

400

µA

280

600

µA

260

450

µA

RECEIVER ELECTRICAL CHARACTERISTICS

Typical values are at TA = 0 to 70°C; GND = 0V; VDD = +5 to +12V; VSS = -5 to -12V; VCC = +5V +5%, unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

MIN

TYP

MAX

VON

VOFF

VON-VOFF

RIN

VOH

Input turn-on threshold

Input turn-off threshold

Input threshold hysteresis

Input resistance

High level output voltage

VRX1-3 = -3V to (VSS-15V)1

RX1-3

RX1-3

RX1-3

RX1-3

DO1-3

VOL

Low level output voltage

DO1-3

VRX1-3 = +3V to (VDD+15V)1

VDO1-3 = VOL, VCC = 5.0V +5%

VDO1-3 = VOH, VCC = 5.0V +5%

VCC = 5.0V +5%

(VSS-15V) < VRX1-3 < (VDD+15V)

IOH = -20µA, VCC = +5.0V

IOH = -1mA, VCC = +5.0V

IOL = +20µA, VCC = +5.0V

IOL = +2mA, VCC = +5.0V

IOL = +4mA, VCC = +5.0V

1.35

0.75

0.6

3.0

4.9

3.8

1.80

1.00

0.8

5.0

5.0

4.4

0.005

0.15

0.3

2.35

1.25

7.0

0.1

0.5

0.7

NOTE:

1. This is the range of input voltages as specified by EIA-232-D to cause a receiver to be in the high or low logic state.

UNITS

V

V

V

kΩ

V

V

August 31, 1994

469

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