HD26LS31 Datasheet, PDF (7/15 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. C_L includes probe and jig capacitance.
Waveforms
Output
V_CC
180 Ω
Y
C_L
75 Ω
S2
Z
Output
180 Ω
C_L
75 Ω
S2
t_r
t_f
Enable G
2.7 V
2.7 V
3V
1.5 V
1.5 V
Enable G
0.3 V
0.3 V
0V
Output
S2 : Open
t_ZL
1.5 V
S2 : Closed
t_LZ
0.5 V
4.5 V
1.5 V
V_OL
7