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SP339ECR1-L/TR View Datasheet(PDF) - Exar Corporation

Part Name
Description
MFG CO.
'SP339ECR1-L/TR' PDF : 21 Pages View PDF
SP339E
REV. 1.0.4
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
FIGURE 14. RS-485/422 DRIVER OUTPUT ENABLE/DISABLE TIMES
Testing B: Tx Input = 0V
Tx
Testing A: Tx Input = VCC
Tx Enable
B
RL
A
VOUT
CL
3V
Tx Enable
0V
VOUT
VOH
VOL
1.5V
tDZH
VOH + VOL
2
Testing B: Tx Input = VCC
Tx
Testing A: Tx Input = 0V
Tx Enable
1.5V
tDHZ
VOH - 0.25V
VCC
B
RL
VOUT
CL
A
3V
Tx Enable
0V
VOUT
VOH
VOL
1.5V
tDZH
VOH + VOL
2
1.5V
tDHZ
VOL + 0.25V
19
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