MC74VHC373DT 查看數據表（PDF） - ON Semiconductor
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MC74VHC373DT Datasheet PDF : 8 Pages
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TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
MC74VHC373
Symbol
tw(h)
Parameter
Minimum Pulse Width, LE
tsu
Minimum Setup Time, D to LE
th
Minimum Hold Time, D to LE
Test Conditions
VCC = 3.3 ± 0.3V
VCC = 5.0 ±0.5V
VCC = 3.3 ± 0.3V
VCC = 5.0 ± 0.5V
VCC = 3.3 ± 0.3V
VCC = 5.0 ± 0.5V
TA = 25°C
Typ
Limit
5.0
5.0
4.0
4.0
1.0
1.0
TA = – 40
to 85°C
Limit
Unit
5.0
ns
5.0
4.0
ns
4.0
1.0
ns
1.0
SWITCHING WAVEFORMS
D
50%
tPLH
Q
50% VCC
Figure 3.
VCC
GND
tPHL
tw
LE
50%
tPLH
tPHL
VCC
GND
Q
50% VCC
Figure 4.
OE
Q
Q
50%
tPZL tPLZ
50% VCC
tPZH tPHZ
50% VCC
Figure 5.
VCC
GND
HIGH
IMPEDANCE
VOL +0.3V
VOL -0.3V
HIGH
IMPEDANCE
VALID
VCC
D
50%
GND
tsu
th
LE
VCC
50%
GND
Figure 6.
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