SP337EBEY-L Datasheet, PDF (11/18 Pages) Exar Corporation – 3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER

SP337E
REV. 1.0.2
3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
FIGURE 10. RS-485 DRIVER ENABLE AND DISABLE TIMING DIAGRAM 2
DE
OUT
V_OL
t_DZL
V_OM = (V_OL + Vcc)/2
Vcc/2
Vcc
0
t_DLZ
0.25V
FIGURE 11. RS-485 RECEIVER PROPAGATION DELAY TEST CIRCUIT
A
VID _{B R}
RE
OUT
C_L
15pF
FIGURE 12. RS-485 RECEIVER PROPAGATION DELAY TIMING DIAGRAM
A
B
OUT
1.5V
t_PHL
+1V
t_PLH
-1V
V_OH
V_OL
11