HD26LS32 Datasheet, PDF (12/15 Pages) Hitachi Semiconductor – Quadruple Differential Line Receivers With 3 State Outputs

HD26LS32
RS-442A Interface Standard Applications
Figure 9 shows sample operation waveforms at various points with 1200 m and 12 m cable lengths.
1. Unidirectional Transmission (1 : 1 Configuration)
Driver _B
Data A
input
C
D ^Receiver
R_T
F Data
output
E
Figure 8 1 : 1 Unidirectional Transmission
A
GND
Line
: 1200 m
Frequency : 100 kHz
B
GND
C
GND
Duty : 50%
R_T : 100 Ω
D
GND
E
GND
F
GND
H : 5 µs/div
V : 2 V/div
A
GND
Line
: 12 m
Frequency : 10 MHz
B
GND
C
GND
Duty : 50%
R_T : 100 Ω
D
GND
E
GND
F
GND
H : 50 ns/div
V : 2 V/div
Figure 9 Sample Transmission Waveforms
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