SP485EMN-L Просмотр технического описания (PDF) - Exar Corporation

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SP485EMN-L

Enhanced Low Power Half-Duplex RS-485 Transceivers

Exar Corporation 

TMIN to TMAX and VCC = +5.0V +/-5% unless otherwise noted.

PARAMETERS

MIN. TYP.

SP481E

Shutdown Timing

Time to Shutdown

50

200

Driver Enable from Shutdown

40

to Output High

Driver Enable from Shutdown

40

to Output Low

Receiver Enable from

300

Shutdown to Output High

Receiver Enable from

300

Shutdown to Output Low

POWER REQUIREMENTS

Supply Voltage VCC

Supply Current

+4.75

SP481E/SP485E

No Load

900

600

SP481E

Shutdown Mode

ELECTRICAL CHARACTERISTICS

MAX. UNITS CONDITIONS

600

100

100

1000

1000

ns RE = 5V, DE = 0V

ns CL = 100pF; See Figures 4 and 6;

S2 Closed

ns CL = 100pF; See Figures 4 and 6;

S1 Closed

ns CL = 15pF; See Figures 2 and 8; S2

Closed

ns CL = 15pF; See Figures 2 and 8; S1

Closed

+5.25 Volts

µA RE, DI = 0V or VCC; DE = VCC

µA RE = 0V, DI = 0V or 5V; DE = 0V

10

µA DE = 0V, RE = VCC

ENVIRONMENTAL AND MECHANICAL

Operating Temperature

Commercial (_C_)

0

Industrial (_E_)

-40

(_M_)

-40

Storage Temperature

-65

Package

Plastic DIP (_P)

NSOIC (_N)

70

ºC

+85

ºC

+125

ºC

+150

ºC

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com



SP481E,485E_102_080810

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