SN75176A_07 Datasheet, PDF (7/19 Pages) Texas Instruments – DIFFERENTIAL BUS TRANSCEIVER

SN75176A
DIFFERENTIAL BUS TRANSCEIVER
SLLS100A – JUNE 1984 – REVISED MAY 1995
PARAMETER MEASUREMENT INFORMATION
VOD2
RL
2
RL
2
VOC
VID
0V
VOL
VOH
+IOL
– IOH
Figure 1. Driver V_OD and V_OC
Generator
(see Note A)
50 Ω
3V
RL = 60 Ω
CL = 50 pF
(see Note B)
Output
CL
Figure 2. Receiver V_OH and V_OL
Input
1.5 V
3V
1.5 V
0V
td(OD)
Output _50%
10%
tt(OD)
90%
td(OD)
≈ 2.5 V
50%
10%
≈ – 2.5 V
tt(OD)
TEST CIRCUIT
VOLTAGE WAVEFORMS
NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,
ZO = 50 Ω.
B. CL includes probe and jig capacitance.
Figure 3. Driver Test Circuit and Voltage Waveforms
0 or 3 V
Generator
(see Note A)
50 Ω
Output
S1
CL = 50 pF
(see Note B)
RL = 110 Ω
Input
1.5 V 1.5 V
tPZH
Output
2.3 V
tPHZ
3V
0V
0.5 V
VOH
Voff ≈ 0 V
TEST CIRCUIT
VOLTAGE WAVEFORMS
NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,
ZO = 50 Ω.
B. CL includes probe and jig capacitance.
Figure 4. Driver Test Circuit and Voltage Waveforms
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