3Mbps RS-232 Transceivers with

Low-Voltage Interface

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

at TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Transition-Region Slew Rate

Ω to 7kΩ,

measured from +3V to -3V or -3V to +3V,

1000pF

630

V/µs

TIMING CHARACTERISTICS (MAX13235E/MAX13237E)

switching

1

Maximum Data Rate

switching

3

Mbps

Receiver Propagation Delay

0.15

µs

Transmitter Skew

Figures 4, 5 (Note 4)

25

ns

Receiver Skew

Figures 2, 3

50

ns

Transition-Region Slew Rate

Ω to 7kΩ,

150pF to 1000pF

24

150

V/µs

ESD PROTECTION

Human Body Model

±15

IEC 61000-4-2 Air Discharge

±15

R_IN, T_OUT to GND

IEC 61000-4-2 Contact Discharge

±8

kV

Note 3: A transmitter/receiver edge is defined as a transition through the transmitter/receiver input-logic thresholds.

Note 4: Transmitter skew is measured at the transmitter zero cross points.