MC74LCX541 ON Semiconductor, MC74LCX541 Datasheet - Page 5

• Manufacturer Part Number: MC74LCX541
• Description: Low-Voltage CMOS Octal Buffer
• Manufacturer: ON Semiconductor

GENERATOR
PULSE
OEn
On
On
On
Dn
t
t
Open Collector/Drain t
t
C
R
R
PLH
PZL
PZH
L
L
T
, t
= 50 pF or equivalent (Includes jig and probe capacitance)
= R
= Z
, t
, t
PLZ
PHL
PHZ
OUT
1
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
t
1.5 V
t
= 500 W or equivalent
PZH
PZL
t
PLH
t
t
R
R
of pulse generator (typically 50 W)
= t
= t
WAVEFORM 1 − PROPAGATION DELAYS
F
F
= 2.5 ns, 10% to 90%; f = 1 MHz; t
= 2.5 ns, 10% to 90%; f = 1 MHz; t
Figure 3. AC Waveforms
Figure 4. Test Circuit
R
http://onsemi.com
T
MC74LCX541
PLH
TEST
and t
1.5 V
1.5 V
DUT
V
1.5 V
CC
5
PHL
t
t
PHZ
PLZ
W
W
1.5 V
1.5 V
= 500 ns
= 500 ns
C
L
1.5 V
t
PHL
SWITCH
Open
GND
6 V
6 V
R
L
R
1
V
GND
2.7 V
0 V
V
V
2.7 V
0 V
V
V
OL
OH
OL
CC
OH
3.0 V
+ 0.3 V
− 0.3 V
0 V
6 V
OPEN
GND