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XR3080-88X Datasheet, PDF (7/24 Pages) Exar Corporation – HIGH OUTPUT 18V TOLERANT RS-485/RS-422 +5V TRANSCEIVERS
XR3080-88X
REV. 1.0.2
HIGH OUTPUT 18V TOLERANT RS-485/RS-422 +5V TRANSCEIVERS
Unless otherwise noted: VCC = +5.0V ±10%, TA = TMIN to TMAX. Typical values are at VCC = 5.0V, TA = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
DRIVER AC CHARACTERISTICS
tDPLH
Driver Prop. Delay (Low to High)
tDPHL
Driver Prop. Delay (High to Low)
|tDPLH-tDPHL| Differential Driver Output Skew
tDR, tDF
Driver Differential Output
Rise or Fall Time
Maximum Data Rate
tDZH
tDZL
tDHZ
tDLZ
tDZH(SHDN)
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable from Output High
Driver Disable from Output Low
Driver Enable from Shutdown to
Output High
tDZL(SHDN)
Driver Enable from Shutdown to
Output Low
tSHDN
Time to Shutdown
XR3083X, XR3084X and XR3085X (1Mbps)
150 500 ns
150 500 ns
CL = 50pF, RL = 54,
5
50
ns Figure 7
100 200 300 ns
1
Mbps 1/tUI, Duty Cycle 40 to 60%
1000 2500 ns
1000
60
2500
100
ns CL = 50pF, RL = 500,
ns Figure 8
60 100 ns
2500 4500
2500 4500
ns CL = 50pF, RL = 500,
ns Figure 8
50 200 600 ns Notes 3 and 4
RECEIVER AC CHARACTERISTICS
XR3083X, XR3084X and XR3085X (1Mbps)
tRPLH
Receiver Prop. Delay (Low to High)
tRPHL
Receiver Prop. Delay (High to Low)
|tRPLH-tRPHL| Receiver Propagation Delay Skew
200
ns CL = 15pF, VID = ±2V,
200
ns VID Rise and Fall times < 15ns
30
ns Figure 9
Maximum Data Rate
1
Mbps 1/tUI, Duty Cycle 40 to 60%
tRZH
Receiver Enable to Output High
50
ns
tRZL
Receiver Enable to Output Low
tRHZ
Receiver Disable from Output High
50
ns CL = 15pF, RL = 1k,
50
ns Figure 10
tRLZ
Receiver Disable from Output Low
50
ns
tRZH(SHDN)
tRZL(SHDN)
Receiver Enable from Shutdown
to Output High
Receiver Enable from Shutdown
to Output Low
3500
3500
ns
CL = 15pF, RL = 1k,
ns Figure 10
tSHDN
Time to Shutdown
50 200 600 ns Notes 3 and 4
7