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XR3170E Datasheet(PDF) 7 Page - Exar Corporation

Part # XR3170E
Description  3.3V High Speed RS-485/RS-422 TRANSCEIVERS WITH 1/8 UNIT LOAD
PDF  24 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XR3170E Datasheet(HTML) 7 Page - Exar Corporation

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XR3170E-3178E
7
REV. 1.0.0
3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8th UNIT LOAD
tSHDN
Time to Shutdown
50
200
600
ns
Notes 3 and 4
XR3173E, XR3174E and XR3175E
DRIVER AC CHARACTERISTICS
freq
Max. Data Signaling Rate
500
kbps
1/tUI, Duty Cycle 40 to 60%
tPLH
Driver Propagation Delay (Low to
High)
180
800
ns
CL = 50pF, RL = 54Ω, Figures 6
and 7
tPHL
Driver Propagation Delay (High to
Low)
180
800
ns
CL = 50pF, RL = 54Ω, Figures 6
and 7
tR
Driver Rise Time
200
800
ns
CL = 50pF, RL = 54Ω, Figures 6
and 7
tF
Driver Fall Time
200
800
ns
CL = 50pF, RL = 54Ω, Figures 6
and 7
|t
PLH-tPHL|
Differential Pulse Skew
100
ns
Figures 6 and 7
tZH
Driver Enable to Output High
2500
ns
CL = 50pF, RL = 500Ω, Figures
8 and 9
tZL
Driver Enable to Output Low
2500
ns
CL = 50pF, RL = 500Ω, Figures
10 and 11
tHZ
Driver Disable from Output High
150
ns
CL = 50pF, RL = 500Ω, Figures
8 and 9
tLZ
Driver Disable from Output Low
150
ns
CL = 50pF, RL = 500Ω, Figures
10 and 11
tOZV
Shutdown to Driver Output Valid
3500
ns
CL = 50pF, RL = 500Ω
tSHDN
Time to Shutdown
50
200
600
ns
Notes 3 and 4
RECEIVER AC CHARACTERISTICS
freq
Data Signaling Rate
500
kbps
1/tUI, Duty Cycle 40 to 60%
tPLH
Receiver Propagation Delay (Low to
High)
200
ns
VID = +/-2V, CL = 15pF, Figures
12 and 13
tPHL
Receiver Propagation Delay (High to
Low)
200
ns
VID = +/-2V, CL = 15pF, Figures
12 and 13
skew
Receiver Propagation Delay Skew
30
ns
VID = +/-2V, CL = 15pF, Figures
12 and 13
skew =
|t
PLH-tPHL|
tR
Receiver Output Rise Time
3
6
ns
CL = 15pF
tF
Receiver Output Fall Time
3
6
ns
CL = 15pF
tZH
Receiver Enable to Output High
50
ns
CL = 15pF, Figure 14
tZL
Receiver Enable to Output Low
50
ns
CL = 15pF, Figure 14
tHZ
Receiver Disable from Output High
50
ns
CL = 15pF, Figure 14
UNLESS OTHERWISE NOTED: VCC = +3.0V TO +3.6V WITH TA FROM -40
OC TO +85OC. TYPICAL VALUES ARE AT
VCC = +3.3V AND 25
OC.
SYMBOL
PARAMETERS
MIN.TYP.
MAX.UNITS
CONDITIONS



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