Datasheet

SN55173, SN65173, SN75173
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS144E – OCTOBER 1980 – REVISED APRIL 2000
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
OL
V
OH
– 1.5 V
1.5 V
Output
Input
1.3 V1.3 V
t
PHL
t
PLH
0 V0 V
2 V
Generator
(see Note B)
Output
C
L
= 15 pF
(see Note A)
50 Ω
TEST CIRCUIT
VOLTAGE WAVEFORMS
[2.5 V]
†
[–2.5 V]
†
†
Voltage for the SN55173 only.
NOTES: A. C
L
includes probe and jig capacitance.
B. 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,
Z
O
= 50 Ω.
Figure 1. t
PLH
, t
PHL
Test Circuit and Voltage Waveforms
(see Note D)
≈0 V
S1 Open
S1 Closed
1.3 V1.3 V
t
PHZ
t
PZH
0.5 V
(see Note C)
V
CC
2 kΩ
S1
5 kΩ
1.5 V
C
L
(see Note A)
Output
Generator
(see Note B)
2 V
Input
Output
3 V
0 V
V
OH
≈1.4 V
50 Ω
TEST CIRCUIT
VOLTAGE WAVEFORMS
[2.5 V]
†
1.3 V
†
Voltage for the SN55173 only.
NOTES: A. C
L
includes probe and jig capacitance.
B. 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,
Z
O
= 50 Ω.
C. All diodes are 1N916, or equivalent.
D. To test the active-low enable G
, ground G and apply an inverted input waveform to G.
Figure 2. t
PHZ
, t
PZH
Test Circuit and Voltage Waveforms