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MC74LCX16244DT View Datasheet(PDF) - Motorola => Freescale

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Description
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MC74LCX16244DT Datasheet PDF : 6 Pages
1 2 3 4 5 6
MC74LCX16244
Dn
1.5V
tPLH
On
1.5V
tPHL
1.5V
1.5V
WAVEFORM 1 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
OEn
tPZH
On
tPZL
On
1.5V
tPHZ
1.5V
tPLZ
1.5V
2.7V
0V
VOH
VOL
2.7V
0V
VCC
VOH – 0.3V
0V
3.0V
VOL + 0.3V
GND
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
Figure 1. AC Waveforms
PULSE
GENERATOR
VCC
DUT
RT
R1
CL
RL
6V
OPEN
GND
LCX DATA
BR1339 — REV 2
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V
Open Collector/Drain tPLH and tPHL
6V
tPZH, tPHZ
GND
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500or equivalent
RT = ZOUT of pulse generator (typically 50)
Figure 2. Test Circuit
5
MOTOROLA
 

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