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| XR34350 Datasheet, PDF (5/20 Pages) Exar Corporation – Internal Termination and Wide Output Swing | |||
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XR34350
Timing Characteristics
Unless otherwise noted: VCC = 3.3V ±5% or 5.0V ±5%, C1 to C4 = 0.1µF; TA = TMIN to TMAX. Typical values are at
VCC = 3.3V, TA = 25°C.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
All Modes
tENABLE
Enable from shutdown
tSHUTDOWN Enable to shutdown
RS-232, Data Rate = 250kbps, SLEW = VCC, One Transmitter Switching
Maximum data rate
RL = 3kΩ, CL = 1000pF
tRHL, tRLH
|tRHL - tRLH|
Receiver propagation delay
Receiver propagation delay skew
CL = 150pF, Figure 10
tDHL, tDLH
|tDHL - tDLH|
Driver propagation delay
Driver propagation delay skew
tSHL, tSLH
Transition region slew rate from
3.0V to -3.0V or -3.0V to 3.0V
RL = 3kΩ, CL = 2500pF, Figure 11
VCC = 3.3V, RL = 3kΩ to 7kΩ,
CL = 150pF to 2500pF, Figure 11
VCC = 3.3V, RL = 3kΩ to 7kΩ,
CL = 150pF to 2500pF, TA = 25°C,
Figure 11
RS-232, Data Rate = 1Mbps, SLEW = 0V, One Transmitter Switching
Maximum data rate
tRHL, tRLH
|tRHL - tRLH|
tDHL, tDLH
|tDHL - tDLH|
Receiver propagation delay
Receiver propagation delay skew
Driver propagation delay
Driver propagation delay skew
tSHL, tSLH
Transition region slew rate from
3.0V to -3.0V or -3.0V to 3.0V
RL = 3kΩ, CL = 250pF
CL = 150pF, Figure 10
RL = 3kΩ, CL = 1000pF, Figure 11
VCC = 3.3V, RL = 3kΩ to 7kΩ,
CL = 150pF to 1000pF, Figure 11
VCC = 3.3V, RL = 3kΩ to 7kΩ,
CL = 150pF to 1000pF, TA = 25°C,
Figure 11
1000
ns
1000
ns
250
kbps
100
ns
100
ns
1400
ns
600
ns
4
30
V/µs
6
30
V/µs
1
Mbps
100
ns
100
ns
300
ns
150
ns
15
150
V/µs
24
150
V/µs
REV1B
5/20
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