Datasheet

ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Rev. E | Page 10 of 20
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
V
OC
R
L
/2
R
L
/2
Z
Y
06285-007
V
OD
Figure 7. Driver DC Test Load
DI
DE
Y
Z
3
V
C
L
R
L
V
OD
06285-008
Figure 8. Driver Timing Test Circuit
V
CC
t
DPLH
t
DR
t
DF
t
DPHL
0V
V
CC
/2
1/2V
O
1/2V
O
DI
Z
Y
V
O
+V
O
–V
O
V
DIFF
10%
90% 90%
10%
V
DIFF
= V (Y) – V (Z)
t
DSKEW
= | t
DPLH
– t
DPHL
|
0V
06285-009
Figure 9. Driver Propagation Delays
OUT
S1
0V OR 3V
GENERATOR
R
L
500
50
DE
OUT
C
L
50pF
+
t
DZH
, t
DZH(SHDN)
V
OM
= (0 + V
OH
)/2
t
DHZ
V
CC
/2
0.25V
V
CC
0V
V
OH
0V
D
06285-010
Figure 10. Driver Enable and Disable Times (t
DHZ
, t
DZH
, t
DZH(SHDN)
)
OUT
S1
V
CC
0V OR 3V
GENERATOR
R
L
500
50
DE
OUT
C
L
50pF
+
t
DZL
, t
DZL(SHDN)
V
OM
= (V
OL
+ V
CC
)/2
t
DLZ
V
CC
/2
0.25V
V
CC
V
CC
0V
V
OL
D
06285-011
Figure 11. Driver Enable and Disable Times (t
DZL
, t
DLZ
, t
DZL(SHDN)
)
V
ID
ATE
B
R
RECEIVER
OUTPUT
A
06285-012
Figure 12. Receiver Propagation Delay Test Circuit
NOTES
1. THE RISE TIME AND FALL TIME OF INPUT A AND INPUT B < 4ns.
A
B
RO
V
OL
V
OH
1.5V
+1
V
–1V
t
RPHL
t
RPLH
06285-013
Figure 13. Receiver Propagation Delays