SN65176B_10 Datasheet, PDF (7/21 Pages) Texas Instruments – DIFFERENTIAL BUS TRANSCEIVERS

SN65176B, SN75176B
DIFFERENTIAL BUS TRANSCEIVERS
SLLS101D – JULY 1985 – REVISED APRIL 2003
switching characteristics, V_CC = 5 V, C_L = 15 pF, T_A = 25°C
PARAMETER
TEST CONDITIONS
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Output enable time to high level
Output enable time to low level
Output disable time from high level
Output disable time from low level
VID = 0 to 3 V, See Figure 6
See Figure 7
See Figure 7
MIN TYP MAX UNIT
21
35
ns
23
35
10
20
ns
12
20
20
35
ns
17
25
PARAMETER MEASUREMENT INFORMATION
VOD2
RL
2
RL
2
VOC
VID
VOH
VOL
+IOL
–IOH
Figure 1. Driver V_OD and V_OC
Figure 2. Receiver V_OH and V_OL
Generator
(see Note B)
50 Ω
RL = 54 Ω
CL = 50 pF
(see Note A)
Output
3V
TEST CIRCUIT
Input
3V
1.5 V
1.5 V
0V
td(OD)
Output _50%
10%
tt(OD)
90%
td(OD)
≈2.5 V
50%
10% _{≈–2.5 V}
tt(OD)
VOLTAGE WAVEFORMS
NOTES: A. CL includes probe and jig capacitance.
B. 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.
Figure 3. Driver Test Circuit and Voltage Waveforms
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