Datasheet

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 Open
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
Input
Generator
(see Note A)
C
L
= 10 pF
(see Note B)
SN65LBC180A
SN75LBC180A
www.ti.com ............................................................................................................................................................... SLLS378D – MAY 2000 – REVISED APRIL 2009
PARAMETER MEASUREMENT INFORMATION (continued)
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
= 50 Ω .
B. C
L
includes probe and jig capacitance.
Figure 8. Receiver Output Enable and Disable Times
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