QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS115E – OCTOBER 1980 – REVISED OCTOBER 2007
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PARAMETER MEASUREMENT INFORMATION
VCC
Test
Point
From Output
Under Test
CL
(see Note A)
RL = 2 kΩ
S1
2.5 V
Input
00
–2.5 V
5 kΩ
See Note B
S2
Output
tPLH
tPHL
VOH
1.3 V
S1 and S2 Closed
TEST CIRCUIT
VOLTAGE WAVEFORMS FOR tPLH, tPHL
1.3 V
VOL
≤5
ns
90%
Enable G
10%
See Note C
90%
1.3 V
Enable G
tPZH
Output
S1 Open
S2 Closed
1.3 V
tPHZ
VOLTAGE WAVEFORMS FOR tPHZ, tPZH
10%
10%
1.3 V1.3 V
90%
≤5
ns
3V
Enable G
10%
0
3V
10%
≤5
ns
90%
1.3 V1.3 V
90%
≤5
ns
3V
10%
See Note C
0
3V
90%
1.3 V
90%
Enable G
1.3 V
10%
tPZL
10%
90%
1.3 V
0
0.5 V
VOH
Output
≈1.4
V
S1 Closed
S2 Closed
S1 Closed
S2 Closed
tPLZ
0.5 V
0
≈1.4
V
VOL
1.3 V
S1 Closed
S2 Open
VOLTAGE WAVEFORMS FOR tPLZ, tPZL
NOTES: A. C
L
includes probe and jig capacitance.
B. All diodes are 1N3064 or equivalent.
C. Enable G is tested with G high; G is tested with G low.
Figure 1. Test Circuit and Voltage Waveforms
6
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