XR5486E Datasheet, PDF (5/23 Pages) Exar Corporation – ULTRA HIGH SPEED RS-485/RS-422 PROFIBUS TRANSCEIVERS WITH 1/8TH UNIT LOAD AND 15KV ESD-PROTECTION

XR5486E-5488E
REV. 1.0.0
ULTRA HIGH SPEED RS-485/RS-422 PROFIBUS TRANSCEIVERS WITH 1/8TH UNIT LOAD AND +/-15KV ESD-PROTECTION
UNLESS OTHERWISE NOTED: VCC = +5.0V +/-0.25V WITH T_A FROM -40^OC TO +85^OC. TYPICAL VALUES ARE AT VCC
= +5.0V AND 25^OC.
SYMBOL
PARAMETERS
MIN
TYP
MAX ^UNIT
S
CONDITIONS
V_OC
Driver Common Mode Output
Voltage steady state
3.0 V Figure 3
ΔV_OC
Change in Magnitude of Common
Mode Output Voltage
-0.2
0.2 V Figure 3, See note 1
I_OSD
Driver Short Circuit Current Limit
-250
250 mA -7V ≤ V_OUT ≤ +12V, Figure 5
I_OL
Output Leakage Current (Full-
Duplex versions, Y and Z pins)
-75
125
μA
DE = 0V, RE = 0V, Vcc = 0V or 5V,
-7V ≤ V_OUT ≤ +12V
V_IH
2.0
Logic Input Thresholds (DI, DE, RE)
V_IL
V Logic Input High
0.8 V Logic Input Low
V_HYS Driver Input Hysteresis
100
mV T_A = 25°C
I_IN
Logic Input Current (DI, DE and RE) -1
1
μA
0V ≤ IN ≤ +VCC, after first transi-
tion
DRIVER AC CHARACTERISTICS
freq
Data Signaling Rate
52
Mbp ^1/tUI^{, Duty Cycle 40 to 60%, Fig-}
s ure 4, C_L = 50pF, R_L = 54Ω.
t_PLH
Driver Propagation Delay (Low to
High)
4
25
ns ^{CL = 50pF, RL = 54Ω,}
Figures 6 and 7
t_PHL
Driver Propagation Delay (High to
Low)
4
25
ns ^{CL = 50pF, RL = 54Ω,}
Figures 6 and 7
t_R
Driver Rise Time
2
8
ns ^{CL = 50pF, RL = 54Ω,}
Figures 6 and 7
t_F
Driver Fall time
2
8
ns ^{CL = 50pF, RL = 54Ω,}
Figures 6 and 7
|t_PLH-t_PHL| Differential Pulse Skew
+/-3 ns Figures 6 and 7
t_ZH
Driver Enable to Output High
60
ns ^{CL = 50pF, RL = 500Ω, Figures 8}
and 9
t_ZL
Driver Enable to Output Low
60
ns ^{CL = 50pF, RL = 500Ω, Figures 10}
and 11
t_HZ
Driver Disable from Output High
60
ns ^{CL = 50pF, RL = 500Ω, Figures 8}
and 9
t_LZ
Driver Disable from Output Low
60
ns ^{CL = 50pF, RL = 500Ω, Figures 10}
and 11
t_ZV
Shutdown to Driver Output Valid
1
μs C_L = 50pF, R_L = 500Ω
t_SHDN Time to Shutdown
50 200 600 ns Notes 2, 3 and 4
RECEIVER DC CHARACTERISTICS
5