74LCX374 Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
74LCX374 Datasheet PDF : 8 Pages
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MC74LCX374
Dn
ts
CP
On
th
1.5 V
fmax
tPLH, tPHL
1.5 V
2.7 V
1.5 V
0V
2.7 V
0V
VOH
VOL
WAVEFORM 1 − PROPAGATION DELAYS, SETUP AND HOLD TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
OE
tPZH
On
1.5 V
tPHZ
1.5V
1.5 V
tPZL
On
tPLZ
1.5V
2.7 V
0V
VCC
VOH − 0.3 V
≈0V
≈ 3.0 V
VOL + 0.3 V
GND
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
CP
1.5 V
tw
2.7 V
1.5 V
0V
tw
CP
1.5 V
2.7 V
1.5 V
0V
WAVEFORM 3 − PULSE WIDTH
tR = tF = 2.5 ns (or fast as required) from 10% to 90%;
Output requirements: VOL ≤ 0.8 V, VOH ≥ 2.0 V
Figure 3. AC Waveforms
PULSE
GENERATOR
VCC
DUT
RT
R1
CL
RL
6V
OPEN
GND
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V
Open Collector/Drain tPLH and tPHL
6V
tPZH, tPHZ
GND
CL = 50 pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500 W or equivalent
RT = ZOUT of pulse generator (typically 50 W)
Figure 4. Test Circuit
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