F81438 Datasheet, PDF (13/20 Pages) Feature Integration Technology Inc. – Single 5V RS232/RS422/RS485 Multiprotocol

F81438
6.3
AC Characteristics
(TA = 0° C to 70° C, VDD = +5.0V ± 5%)
Parameter
SYM.
MIN TYP MAX Unit CONDITIONS
RS-232 (SLEW = GND, 250Kbps, One Transmitter Switching)
Maximum Data Rate
250
Kbps RL=3K, CL=1000p
Receiver Propagation Delay
t_PHL , t_PLH
100
ns
CL=150pF
Receiver Skew
|t_PHL - t_PLH|
50
ns
CL=150pF
Driver Skew
|t_THL – t_TLH|
100
ns
Transition-Region Slew Rate
±3.0V
VCC=3V,
6
30
V/μs
RL=3~7K,
CL=150~1000pF
RS-232 (SLEW = Vcc, 1Mbps, One Transmitter Switching)
Maximum Data Rate
-
1
Mbps
RL = 3k,
CL = 250pF.
Receiver Propagation Delay
t_PHL , t_PLH
100
ns
CL = 150pF.
Receiver Skew
|t_PHL - t_PLH|
50
ns
CL = 150pF.
Driver Skew
|t_THL – t_TLH|
25
ns
Transition-Region Slew Rate
±3.0V
Vcc = 5V,
90
V/μs
RL = 3~7k　,
CL = 150~1000pF.
13
Jan, 2012
V0.11P