MC74LCX138 Motorola, MC74LCX138 Datasheet - Page 5

• Manufacturer Part Number: MC74LCX138
• Description: Low-Voltage CMOS 1-of-8 Decoder/Demultiplexer
• Manufacturer: Motorola

LCX DATA
BR1339 — REV 3
An, E3
On
WAVEFORM 1: PROPAGATION DELAYS FOR INVERTING OUTPUTS
t PHL
1.5V
1.5V
GENERATOR
PULSE
C L = 50pF or equivalent (Includes jig and probe capacitance)
R L = R 1 = 500 or equivalent
R T = Z OUT of pulse generator (typically 50 )
1.5V
1.5V
t PLH
Figure 1. AC Waveforms
Figure 2. Test Circuit
2.7V
0V
V OH
V OL
R T
5
An, E1, E2
WAVEFORM 2: PROPAGATION DELAYS FOR NON–INVERTING OUTPUTS
V CC
DUT
On
t PHL
1.5V
C L
1.5V
R L
MC74LCX138
1.5V
1.5V
t PLH
MOTOROLA
2.7V
0V
V OH
V OL