Datasheet

SN55LBC176, SN65LBC176, SN65LBC176Q, SN75LBC176
DIFFERENTIAL BUS TRANSCEIVERS
SLLS067H AUGUST 1990 REVISED DECEMBER 2010
10
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Input
3 V
t
PZH
1.5 V
1.5 V
0 V
V
OH
0 V
0 V
1.5 V
3 V
Input
1.3 V
V
OH
0.5 V
Output
t
PHZ
Output
0 V
1.5 V
3 V
Input
t
PLZ
Input
3 V
1.5 V
0 V
Output
1.5 V
Output
V
OL
1.3 V
t
PZL
4.5 V
V
OL
0.5 V
S1 to 1.5 V
S2 Open
S3 Closed
S3 Opened
S2 Closed
S1 to 1.5 V
S1 to 1.5 V
S2 Closed
S3 Closed S3 Closed
S2 Closed
S1 to 1.5 V
VOLTAGE WAVEFORMS
TEST CIRCUIT
50 Ω
S3
5 V
S2
2 kΩ
5 kΩ
S1
1.5 V
1.5 V
1N916 or Equivalent
Generator
(see Note A)
C
L
= 15 pF
(see Note B)
Figure 8. Receiver Test Circuit and Voltage Waveforms
NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR 1 MHz, 50% duty cycle, t
r
6 ns, t
f
6 ns,
Z
O
=50Ω.
B. C
L
includes probe and jig capacitance.