SP26LV432_06 Datasheet, PDF (5/11 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
ENABLE
ENABLE
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 high-Z Output Timing
ENABLE 3.0V
16
1.3V
1.3V
ENABLE GND
tPLZ
tPZL
15
tPHLD
VCC
OUTPUT
14
50%
tPLHD
VOL
0.5V
13
VOH
0.5V
OUTPUT
0V
50%
12
tPHZ
tPZH
11
10
-40
-15
10
35
60
85
Temperature (°C)
Figure 4. High Impedance Output Enable and Disable
Waveforms
Figure 5. Differential Propagation Delay vs Temperature
17
2
16
1.8
tPHLD
15
1.6
1.4
14
1.2
13
tPLHD
1
12
0.8
11
3.0
3.1
3.2
3.3
3.4
3.5
3.6
Power Supply Voltage (V)
0.6
-40
-15
10
35
60
85
Temperature (°C)
Figure 6. Differential Propagation Delay vs Supply
Voltage
Figure 7. Differential Skew vs Temperature
Date: 04/27/06
SP26LV432 High Speed, Low Power Quad Differential Line Receiver
© Copyright 2006 Sipex Corporation
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