ns

SPI/MICROWIRE-Compatible UART and ±15kV ESD-

Protected RS-232 Transceivers with Internal Capacitors

_______________________________________________________________________________________

7

ELECTRICAL CHARACTERISTICS—MAX3111E (continued)

Note 2: All currents into the device are positive; all currents out of the device are negative. All voltages are referred to device

ground unless otherwise noted.

pumps for the RS-232 transmitters are shut down.

shut down.

Note 5: Transmitter skew is measured at the transmitter zero cross points.

Receiver input to receiver output

one-transmitter switching

Ω to 7kΩ,

measured from

+3V to -3V or

-3V to +3V

(Note 5)

150

Receiver Propagation Delay

kbps

250

Maximum Data Rate

V/µs

630

Transition-Region Slew Rate

ns

150

1000pF

ns

200

Transmitter Skew

ns

100

Receiver Skew

430

2500pF

CONDITIONS

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

RS-232 AC TIMING