Datasheet

50 Ω
Signal
Generator
RE
B
A
54 Ω
C
L
=15pF
R
1kΩ
0V
V
CC
V
CC
D
DE
RE
R
1.5V
t
PZH
t
PHZ
3V
0V
V
OH
V
OH
0.5V
GND
1.5V
50 Ω
Signal
Generator
RE
B
A
54 Ω
C
L
=15pF
R
1kΩ
5V
0V
V
CC
D
DE
RE
R
1.5V
t
PZL
t
PLZ
3V
0V
V
CC
V
OL
+0.5V
1.5V
V
OL
1.5 V
50 Ω
Signal
Generator
RE
B
A
C
L
=15pF
R
1kΩ
SwitchDownforV
(A)
=1.5V,
SwitchUpforV
(A)
=1.5V
V
CC
1.5Vor
1.5V
t
r(Wake)
t
r(Standby)
RE
5V
0V
1.5V
V
OH
0.5V
V
OL
+0.5V
3V
0V
V
OH
V
OL
R
SN65HVD21A
SLLSE36 –DECEMBER 2010 www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 12. Receiver Enable Test Circuit and Waveforms, Data Output High
Figure 13. Receiver Enable Test Circuit and Waveforms, Data Output Low
Figure 14. Receiver Standby and Wake Test Circuit and Waveforms
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