+3.0V to +5.5V, 1µA, up to 250kbps, True
RS-232 Transceiver with AutoShutdown Plusâ„¢
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V; C1–C4 = 0.1µF (tested at 3.3V ±5%), C1–C4 = 0.22µF (tested at 3.3V ±10%), C1 = 0.047µF and
C2–C4 = 0.33µF (tested at 5.0V ±10%); TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
CONDITIONS
AutoShutdown (FORCEON = GND, FORCEOFF = VCC)
MIN TYP MAX UNITS
Receiver Input Threshold to
INVALID Output High
Figure 7a
Positive threshold
Negative threshold
-2.7
2.7
V
Receiver Input Threshold to
INVALID Output Low
Figure 4a
-0.3
0.3
V
INVALID Output Voltage Low
IOUT = 1.6mA
0.4
V
INVALID Output Voltage High
Receiver Positive or Negative
Threshold to INVALID High (tINVH)
Receiver Positive or Negative
Threshold to INVALID Low (tINVL)
Receiver or Transmitter Edge to
Transmitters Enabled (tWU)
Receiver or Transmitter Edge to
Shutdown (tAUTOSHDN)
TRANSMITTER OUTPUTS
Output Voltage Swing
Output Resistance
Output Short-Circuit Current
Output Leakage Current
TIMING CHARACTERISTICS
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
Transition-Region Slew Rate
IOUT = -1.0mA
VCC = 5V, Figure 4b
VCC = 5V, Figure 4b
VCC = 5V, Figure 4b (Note 2)
Figure 4b (Note 2)
All transmitter outputs loaded with 3kΩ to ground
VCC = V+ = V- = GND, TOUT = 2V
VCC ≤ 3.6V
VCC > 3.6V
VOUT = ±12V, VCC = 0V to 5.5V,
transmitters disabled
RL = 3kΩ, CL = 1000pF, one transmitter switching
R_IN to R_OUT,
tPHL
CL = 150pF
tPLH
Normal operation
Normal operation
| tPHL - tPLH |
| tPHL - tPLH |
VCC = 3.3V,
TA = +25°C,
RL = 3Ω to 7kΩ,
measured from +3V to
-3V or -3V to +3V
CL = 150pF to 1000pF
CL = 150pF to 2500pF
VCC -
0.6
V
0.1
µs
50
µs
25
µs
15
30
60
sec
±5.0 ±5.4
V
300 10M
Ω
±35 ±60
mA
±40 ±100
±25
µA
250
0.15
0.15
200
200
100
50
6
4
kbps
µs
ns
ns
ns
ns
30
V/µs
30
Note 2: A transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic thresholds.
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