SP339EER1-0A Datasheet, PDF (9/23 Pages) Exar Corporation – RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION

SP339E
REV. 1.0.4
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
TIMING CHARACTERISTICS
UNLESS OTHERWISE NOTED: 
V_CC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1PF; T_A = T_MIN to T_MAX. Typical values are at V_CC = 3.3V, T_A = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
ALL MODES
t_ENABLE Enable from Shutdown
t_SHUTDOWN Enable to Shutdown
1000
ns
1000
ns
RS-232, DATA RATE = 250kbps (SLEW = Vcc), ONE TRANSMITTER SWITCHING
Maximum Data Rate
250
kbps R_L = 3k:, C_L = 1000pF
t_RHL, t_RLH Receiver Propagation Delay
~t_RHL-t_RLH~ Receiver Propagation Delay Skew
100
ns
C_L = 150pF, Figure 9
100 ns
t_DHL, t_DLH Driver Propagation Delay
~t_DHL-t_DLH~ Driver Propagation Delay Skew
1400
600
ns _{RL = 3k:, CL = 2500pF,}
ns ^{Figure 10}
t_SHL, t_SLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
4
t_SHL, t_SLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
6
V_CC = 3.3V, R_L = 3k: to 7k:
30 V/Ps C_L = 150pF to 2500pF,
Figure 10
V_CC = 3.3V, R_L = 3k: to 7k:
30 V/Ps C_L = 150pF to 2500pF,
T_A = 25°C, Figure 10
RS-232, DATA RATE = 1Mbps (SLEW = 0V), ONE TRANSMITTER SWITCHING
Maximum Data Rate
1
Mbps R_L = 3k:, C_L = 250pF
t_RHL, t_RLH Receiver Propagation Delay
~t_RHL-t_RLH~ Receiver Propagation Delay Skew
100
ns
C_L = 150pF, Figure 9
100 ns
t_DHL, t_DLH Driver Propagation Delay
~t_DHL-t_DLH~ Driver Propagation Delay Skew
300
ns _{RL = 3k:, CL = 1000pF,}
150 ns ^{Figure 10}
t_SHL, t_SLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
15
t_SHL, t_SLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
24
V_CC = 3.3V, R_L = 3k: to 7k:
150 V/Ps C_L = 150pF to 1000pF,
Figure 10
V_CC = 3.3V, R_L = 3k: to 7k:
150 V/Ps C_L = 150pF to 1000pF,
T_A = 25°C, Figure 10
9