MC74LCX373(2013) Просмотр технического описания (PDF) - ON Semiconductor
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MC74LCX373 Datasheet PDF : 9 Pages
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MC74LCX373
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min Typ Max
Units
VOLP Dynamic LOW Peak Voltage (Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
0.8
V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.6
VOLV Dynamic LOW Valley Voltage (Note 4) VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
−0.8
V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
−0.6
4. Number of outputs defined as “n”. Measured with “n−1” outputs switching from HIGH−to−LOW or LOW−to−HIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN Input Capacitance
CI/O Input/Output Capacitance
CPD Power Dissipation Capacitance
Condition
VCC = 3.3 V, VI = 0 V or VCC
VCC = 3.3 V, VI = 0 V or VCC
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
Typical
7
8
25
Units
pF
pF
pF
Dn
Vmi
tPLH
On
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
Vmi
Vmi
tPZH
On
tPHZ
Vmo
VCC
0V
VOH
VHZ
tPZL
tPLZ
On
Vmo
VLZ
VOL
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Dn
LE
1.5 V
On
ts
tw
tPLH, tPHL
1.5 V
2.7 V
1.5 V
0V
th
2.7 V
1.5 V
0V
VOH
VOL
Symbol 3.3 V ± 0.3 V
Vmi
1.5 V
Vmo
1.5 V
VHZ
VOL + 0.3 V
VLZ
VOH − 0.3 V
VCC
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
2.5 V ± 0.2 V
VCC/2
VCC/2
VOL + 0.15 V
VOH − 015 V
WAVEFORM 3 − LE to On PROPAGATION DELAYS, LE MINIMUM
PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns except when noted
Figure 3. AC Waveforms
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