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MC3487DRG4 Datasheet, PDF (6/16 Pages) Texas Instruments – QUADRUPLE DIFFERENTIAL LINE DRIVER
MC3487
QUADRUPLE DIFFERENTIAL LINE DRIVER
SLLS098C − MAY 1980 − REVISED FEBRUARY 2004
PARAMETER MEASUREMENT INFORMATION
0 V or 3 V
Generator
(see Note A)
50 Ω
Output
SW3
SW1
5V
200 Ω
CL = 15 pF
(see Note B)
1 kΩ See Note C
SW2
TEST CIRCUIT
Output
Enable Input
1.5 V
tPHZ
Output
tPLZ
Output
3V
0V
0.5 V
0.5 V
VOH
SW1 Closed
SW2 Closed
≈1.5 V
≈1.5 V
SW1 Closed
SW2 Closed
VOL
Output
Enable Input
0V
tPZL
Output
tPZH
Output
3V
1.5 V
1.5 V
1.5 V
SW1 Closed
SW2 Open
VOL
VOH
SW1 Open
SW2 Closed
VOLTAGE WAVEFORMS
NOTES: A. The input pulse is supplied by a generator having the following characteristics: tr ≤ 5 ns, tf ≤ 5 ns, PRR ≤ 1 MHz, duty cycle = 50%,
ZO = 50 Ω.
B. CL includes probe and stray capacitance.
C. All diodes are 1N916 or 1N3064.
Figure 4. Driver Test Circuit and Voltage Waveforms
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