Datasheet

SN75140
DUAL LINE RECEIVER
SLLS080C – JANUARY 1977 – REVISED APRIL 1998
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORMS
t
PLH(S)
t
PLH(L)
2.7 V
2.3 V
3.5 V
0 V
V
OH
V
OL
t
PHL(L)
Output
≤ 10 ns≤ 10 ns
LINE
R
L
= 400 Ω
(see Note D)
TEST CIRCUIT
(see Note A)
OutputV
CC
2.5 V
t
PHL(S)
COMSTRB
LINE
COMSTRB
(see Note B)
C
L
= 15 pF
(see Note B)
≤ 10 ns ≤ 10 ns
2.5 V 2.5 V
1.5 V 1.5 V 1.5 V 1.5 V
1.5 V
1.5 V
NOTES: A. Input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, Z
O
= 50 Ω.
B. Unused strobes are to be grounded.
C. C
L
includes probe and jig capacitance.
D. All diodes are 1N3064.
90%
10% 10%
90%
10% 10%
Figure 1. Test Circuit and Voltage Waveforms
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE
vs
LINE INPUT VOLTAGE
V
I(L)
– Line Input Voltage – V
VO – Output Voltage – V
V
O
V
CC
= 5 V
V
ref
= 2.5 V
V
I(S)
= 0
T
A
= 25°C
4
3
1
2
0
012345
Figure 2