Datasheet

MC3486
QUADRUPLE DIFFERENTIAL LINE RECEIVER
WITH 3-STATE OUTPUTS
SLLS097C – JUNE 1980 – REVISED FEBRUARY 2002
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
t
PZH
3 V
1.5 V
0 V
V
OH
1.3 V
Input
Output
t
PZH
SW1 to 1.5 V
SW2 Open
SW3 Closed
SW3 Closed
SW2 Closed
SW1 to 1.5 V
t
PHZ
t
PHZ
1.3 V
V
OH
0 V
3 V
0.5 V
SW3 Open
SW2 Closed
SW1 to – 1.5 V
t
PZL
t
PZL
0 V
1.5 V
3 V
0 V
t
PLZ
t
PLZ
SW1 to – 1.5 V
SW2 Closed
SW3 Closed
4.5 V
1.5 V
V
OL
3 V
1.3 V
0.5 V
V
OL
1.5 V
1.5 V
Input
Output
Input
Output
Input
Output
NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, duty cycle = 50%, t
r
≤ 6 ns,
t
f
≤ 6 ns.
B. C
L
includes probe and stray capacitance.
C. All diodes are 1N916 or equivalent.
Generator
(see Note A)
51 Ω
–1.5 V
1.5 V
SW1
C
L
= 15 pF
(see Note B)
5 kΩ See Note C
SW3
SW2
5 V
2 kΩ
Output
TEST CIRCUIT
Figure 3. Test Circuit and Voltage Waveforms