DS1648 Datasheet, PDF (4/6 Pages) National Semiconductor (TI) – DS1648/DS3648/DS1678/DS3678 TRI-STATEÉ TTL to MOS Multiplexers/Drivers

AC Test Circuits and Switching Time Waveforms
t_Sg t_Sg T_R t_F
TL F 7506 5
TL F 7506 4
Note 1 The pulse generator has the following characteristics Z_OUT 50X and PRR s 1 MHz Rise and fall times between 10% and 90% points s 5 ns
Note 2 C_L includes probe and jig capacitance
FIGURE 1
t_ZH
t_ZL
Internal on DS1648 and DS3648
t_HZ
TL F 7506 6
FIGURE 2
t_LZ
TL F 7506 7
TL F 7506 8
Internal on DS1648 and DS3648
TL F 7506 9
FIGURE 3
Truth Table
Output
Inputs
Control
Select
A
B
H
X
X
X
L
L
L
X
L
L
H
X
L
H
X
L
L
H
X
H
H High level
L Low level
X Don’t care
Hi-Z TRI-STATE mode
4
TL F 7506 10
Outputs
Hi-Z
H
L
H
L
TL F 7506 11