English
Language : 

HD26LS31 Datasheet, PDF (6/12 Pages) Hitachi Semiconductor – Quadruple Differential Line Drivers With 3 State Outputs
HD26LS31
Test Circuit 3
4.5 V
A
Input
Pulse Generator
PRR = 1 MHz
G
Duty Cycle 50%
Zout = 50Ω
G
Note: 1. CL includes probe and jig capacitance.
Waveforms
Enable G
Enable G
tr
0.3 V
2.7 V
1.5 V
Output
VCC
180 Ω
Y
CL
75 Ω
S2
Z
Output
180 Ω
CL
75 Ω
S2
tf
2.7 V
3V
1.5 V
0.3 V
0V
Output
S2 : Open
tZL
1.5 V
S2 : Closed
tLZ
0.5 V
4.5 V
1.5 V
VOL
Rev.2.00, Jul.16.2004, page 6 of 11