XR33193 Datasheet, PDF (3/12 Pages) Exar Corporation – 3.3V, 20Mbps, TSOT23 RS-485/RS-422 Transmitters with 15kV ESD Protection

XR33193/94/95
Electrical Characteristics (Continued)
Specifications are at T_A = 25°C, V_CC = 3.3V ± 5% unless otherwise noted. Typical values represent the most likely parametric
norm at T_A = 25°C, and are provided for reference purposes only.
Symbol Parameter
Conditions
Min
Typ
Max Units
ESD Protection
ESD protection for RS-485 bus pins,
Y and Z
ESD protection for all other pins
Human Body Model (HBM)
Human Body Model (HBM)
Driver AC Characteristics XR33193 (250kbps)
t_DPLH
Driver propagation delay (low to high)
400
t_DPHL
Driver propagation delay (high to low)
C_L = 50pF, R_L = 54Ω, Figure 8
400
t_SKEW
Driver propagation delay skew, |t_DPLH-t_DPHL|
t_R, t_F
Differential output rise or fall time
Device to device propagation delay
matching⁽¹⁾
C_L = 50pF, R_L = 54Ω, Figure 8
400
Same power supply, maximum temperature
difference between devices = 30°C
Maximum data rate
C_L = 50pF, R_L = 54Ω, duty cycle 40 to 60%
250
t_DZH
Driver enable to output high
t_DZL
Driver enable to output low
t_DHZ
Driver disable from output high
C_L = 100pF, R_L = 500Ω, Figure 9
t_DLZ
Driver disable from output low
Driver AC Characteristics XR33194 (2.5Mbps)
t_DPLH
t_DPHL
t_SKEW
t_R, t_F
t_DZH
t_DZL
t_DHZ
t_DLZ
Driver propagation delay (low to high)
24
Driver propagation delay (high to low)
C_L = 50pF, R_L = 54Ω, Figure 8
24
Driver propagation delay skew, |t_DPLH-t_DPHL|
Differential output rise or fall time
Device to device propagation delay
matching⁽¹⁾
C_L = 50pF, R_L = 54Ω, Figure 8
10
Same power supply, maximum temperature
difference between devices = 30°C
Maximum data rate
C_L = 50pF, R_L = 54Ω, duty cycle 40 to 60%
2.5
Driver enable to output high
Driver enable to output low
Driver disable from output high
C_L = 100pF, R_L = 500Ω, Figure 9
Driver disable from output low
NOTE:
1. Guaranteed by design; not production tested.
±15
kV
±4
kV
1300
1300
400
1200
900
2000
2000
1000
1000
ns
ns
ns
ns
ns
kbps
ns
ns
ns
ns
70
ns
70
ns
40
ns
70
ns
46
ns
Mbps
400
ns
400
ns
100
ns
100
ns
REV1A
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