English
Language : 

SP330EEY-0A-EB Datasheet, PDF (7/23 Pages) Exar Corporation – RS-232/RS-485/RS-422 TRANSCEIVER WITH 1.65V-5.5V INTERFACE
SP330E
REV. 1.0.0
RS-232/RS-485/RS-422 TRANSCEIVER WITH 1.65V-5.5V INTERFACE
TIMING CHARACTERISTICS (Continued)
UNLESS OTHERWISE NOTED: 
VCC = +3.0V to +5.5V, C1-C4 = 0.1µF; TA = TMIN to TMAX. Typical values are at VCC = 3.3V, TA = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
RS-485/RS-422, DATA RATE = 250kbps (SLEW = 0V), ONE TRANSMITTER SWITCHING
Maximum Data Rate
250
kbps RL = 54, CL = 50pF
tRPHL, tRPLH
tRPHL-tRPLH
Receiver Propagation Delay
Receiver Propagation Delay Skew
50 150 ns
CL = 15pF, Figure 9
10 ns
tDPHL, tDPLH
tDPHL-tDPLH
tDR, tDF
Driver Propagation Delay
Driver Propagation Delay Skew
Driver Rise and Fall Time
500 1000 ns
100
ns RL = 54, CL = 50pF,
Figure 10
300 650 1200 ns
tRZH, tRZL
tRHZ, tRLZ
tDZH, tDZL
tDHZ, tDLZ
Receiver Output Enable Time
Receiver Output Disable Time
Driver Output Enable Time
Driver Output Disable Time
200
200
1000
200
ns
CL = 15pF, Figure 11
ns
ns RL = 500, CL = 50pF,
ns Figure 12
RS-485/RS-422, DATA RATE = 20Mbps (SLEW = VCC), ONE TRANSMITTER SWITCHING
Maximum Data Rate
20
Mbps RL = 54, CL = 50pF
tRPHL, tRPLH
tRPHL-tRPLH
Receiver Propagation Delay
Receiver Propagation Delay Skew
50 150 ns
CL = 15pF, Figure 9
10 ns
tDPHL, tDPLH
tDPHL-tDPLH
tDR, tDF
Driver Propagation Delay
Driver Propagation Delay Skew
Driver Rise and Fall Time
30 100 ns
10
ns RL = 54, CL = 50pF,
Figure 10
10
20 ns
tRZH, tRZL
tRHZ, tRLZ
tDZH, tDZL
tDHZ, tDLZ
Receiver Output Enable Time
Receiver Output Disable Time
Driver Output Enable Time
Driver Output Disable Time
200 ns
CL = 15pF, Figure 11
200 ns
200
ns RL = 500, CL = 50pF,
200 ns Figure 12
7