+5V, Fail-Safe, 20Mbps, Profibus RS-485/

RS-422 Transceivers

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Receiver Input Hysteresis

20

mV

Receiver Output High Voltage

V

Receiver Output Low Voltage

0.4

V

Three-State Output Current at

Receiver

0

±1µA

Receiver Input Resistance

-7V

48

k

Ω

Receiver Output Short-Circuit

Current

0

±7

±95

mA

SUPPLY CURRENT

Normal Operation (static condition)

2.5

4

mA

Supply Current in SHDN

110

µA

SWITCHING CHARACTERISTICS

Driver Propagation Delay

Ω,

20

ns

Driver Differential Output Rise or

Fall Time

Ω,

20

ns

Ω,

2ns

Maximum Data Rate

20

Mbps

Driver Enable to Output High

Ω,

100

ns

Driver Enable to Output Low

Ω,

100

ns

Driver Disable Time from Low

Ω,

100

ns

Driver Disable Time from High

Ω,

100

ns

Receiver Propagation Delay

20

ns

Figure 10, C

floating (Note 4)

2ns

Receiver Enable to Output Low

Ω, C

S1 closed (Note 4)

100

ns

Receiver Enable to Output High

Ω, C

S2 closed (Note 4)

100

ns

Receiver Disable Time from Low

Ω, C

S1 closed (Note 4)

100

ns

Receiver Disable Time from High

Ω, C

S2 closed (Note 4)

100

ns