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SP3221E_17 Datasheet, PDF (5/22 Pages) Exar Corporation – Intelligent +3.0V to +5.5V RS-232 Transceiver
TIMING CHARACTERISTICS
Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX.
Typical values apply at VCC = +3.3V or +5.0V and TAMB = 25°C.
PARAMETER
AC CHARACTERISTICS
MIN. TYP. MAX. UNITS CONDITIONS
Data Rate
Receiver Propagation Delay
tPHL and tPLH
Receiver Output Enable Time
Receiver Output Disable Time
Driver Skew
Receiver Skew
Transition-Region Slew Rate
250
0.15
200
kbps
µs
ns
RL = 3kΩ, CL = 1000pF,
Receiver input to Receiver output,
CL = 150pF
Normal Operation
200
ns Normal Operation
350
800
ns
│tPHL - tPLH│, RL = 3kΩ,
CL = 1000pF
50
800
ns
│tPHL - tPLH│, CL = 150pF
6
30
V/µs Vcc = 3.3V, RL = 3kΩ, CL = 150pF
to 1000pF, TAMB = 25°C, measure-
ments taken from -3.0V to +3.0V
or +3.0V to -3.0V
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • www.exar.com
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SP3221E_200_081816