SP432 Datasheet, PDF (5/14 Pages) Sipex Corporation – High Speed, Low Power Quad RS-422 Differential Line Receiver

AC TEST CIRCUITS AND SWITCHING TIME WAVEFORMS
+2.5V
INPUTS
(V-) – (V+)
0V
OUTPUT
-2.5V
VOH
50%
VOL
t tPL_PH_HL
10%
tRISE
ttP_PH_LL_H
90% 90%
tFALL
10%
Figure 2. Propagation Delay
V+ INPUT
V- INPUT
VCC
DEVICE
UNDER
TEST
S1
RL
CL
CL includes load and test jig capacitance.
S1 = VCC for tPZL and tPLZ measurements.
S1 = GND for tPZH and tPHZ measurements.
Figure 3. Test Circuit for Tri-State Outputs
ENABLE 3.0V
ENABLE GND
VCC
OUTPUT
VOL
VOH
OUTPUT
0V
1.3V
1.3V
tPLZ
0.5V
0.5V
tPHZ
tPZL
50%
50%
tPZH
Figure 4. Tri-State Output Enable and Disable Waveforms
SP432DS/10
SP432 High Speed, Low Power Quad Differential Line Receiver
5
© Copyright 1997 Sipex Corporation