+3.3V Multiprotocol Software-Selectable

Cable Terminators and Transceivers

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3

ELECTRICAL CHARACTERISTICS (continued)

and V- input voltage conditions.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LOGIC OUTPUT (R4OUT)

Output High Voltage

V

Output Low Voltage

0.4

V

Rise or Fall Time

15

ns

R4OUT = GND

30

50

100

Output Leakage Current

(Receiver Output Three-Stated)

0.1

1

µA

TRANSMITTER OUTPUT (T4OUT)

Output Leakage Current

power-off or no-cable mode

-100

100

µA

Data Rate

V.10/V.28

240

kbps

RECEIVER INPUT (R4INA)

Minimum pulse width passed

5

Receiver Glitch Rejection

(MAX3172 only)

Maximum pulse width rejected

15

µs

V.10 enabled, -10V

20

40

Receiver Input Resistance

V.28 enabled, -15V

3

5

7

k

Ω

MAX3172

64

Data Rate

MAX3174

240

kbps

V.10 TRANSMITTER

Output Voltage Swing

Ω, Figure 3

±4.0

±4.4

±6.0

V

Loaded Output Voltage Swing

Ω, Figure 3

0.9

V

Short-Circuit Current

T4OUT = GND

±100

±150

mA

Rise or Fall Time

Figure 3

2µs

Transmitter Propagation Delay

2

µs

Data Skew

50

ns

V.10 RECEIVER

Threshold Voltage

25

100

250

mV

Input Hysteresis

15

mV

MAX3172

5

10

15

µs

Receiver Propagation Delay

Figure 4

MAX3174

60

120

ns

MAX3172

0.5

4

µs

Data Skew

Figure 4

MAX3174

5

16

ns