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74LVC245A データシートの表示(PDF) - ON Semiconductor

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74LVC245A
ON-Semiconductor
ON Semiconductor ON-Semiconductor
74LVC245A Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
74LVC245A
An, Bn
Bn, An
Vmi
tPLH
Vmo
Vmi
tPHL
Vmo
VCC
0V
VOH
VOL
WAVEFORM 1 − PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
OE, T/R
Vmi
Vmi
tPZH
An, Bn
tPHZ
Vmo
VCC
0V
VOH
VHZ
tPZL
tPLZ
An, Bn
Vmo
VLZ
VOL
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Figure 3. AC Waveforms
Symbol
VI
Vmi
Vmo
VHZ
VLZ
1.2 V
VCC
VCC/2
VCC/2
VOL + 0.15 V
VOH − 0.15 V
1.8 V + 0.15 V
VCC
VCC/2
VCC/2
VOL + 0.15 V
VOH − 0.15 V
VCC
2.5 V + 0.2 V
VCC
VCC/2
VCC/2
VOL + 0.15 V
VOH − 0.15 V
2.7 V
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
3.3 V + 0.3 V
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
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