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SP335E Datasheet, PDF (17/22 Pages) Exar Corporation – RS-232/RS-485/RS-422 TRANSCEIVER
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SP335E
REV. 1.0.0
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
FIGURE 13. RS-485/422 DRIVER OUTPUT ENABLE/DISABLE TIMES
Testing Z: DI = 0V
D
Testing Y: DI = VL
DE
Z
RL
Y
VOUT
CL
VL
DE
0V
VOUT
VOH
VOL
VL
2
tDZH
VOH + VOL
2
Testing Z: DI = VL
D
Testing Y: DI = 0V
DE
VL
2
tDHZ
VOH - 0.25V
VCC
Z
RL
VOUT
CL
Y
VL
DE
0V
VOUT
VOH
VOL
VL
2
tDZL
VOH + VOL
2
VL
2
tDLZ
VOL + 0.25V
17
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