THVD1510 Datasheet, PDF (13/39 Pages) Texas Instruments – 5-V RS-485 Transceivers With 18-kV IEC ESD Protection

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THVD1510, THVD1512
THVD1550, THVD1551, THVD1552
SLLSEV1 – SEPTEMBER 2017
Parameter Measurement Information (continued)
Vcc
DE
A
D
0V or Vcc
B
Input
Generator
VI
50 Ÿ
R VO
1 kŸ
CL=15 pF
RE
Vcc
S1
VI
tPZH(1)
VO
tPZL(1)
VO
Vcc
50 %
0V
tPHZ
50 %
90 %
VOH
D at Vcc
S1 to GND
§ 0V
tPLZ
50 %
10 %
VCC
VOL
D at 0V
S1 to Vcc
Copyright © 2017, Texas Instruments Incorporated
Figure 17. Measurement of Receiver Enable/Disable Times With Driver Enabled
V or 1.5V
1.5 V or 0V
Input
Generator V_I
A
1 NŸ
R ^VO
B
RE
CL=15 pF
50 Ÿ
Vcc
S1
VI
50%
tPZH(2)
VO
tPZL(2)
VO
50%
50%
Vcc
0V
VOH
§ 0V
A at 1.5 V
B at 0 V
S1 to GND
VCC ^{A at 0V}
B at 1.5V
S1 to VCC
VOL
Copyright © 2017, Texas Instruments Incorporated
Figure 18. Measurement of Receiver Enable Times With Driver Disabled
Copyright © 2017, Texas Instruments Incorporated
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