74ALVCH16244 Ver la hoja de datos (PDF) - ON Semiconductor
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74ALVCH16244 Datasheet PDF : 10 Pages
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74ALVCH16244
AC CHARACTERISTICS (Note 10; tR = tF = 2.0 ns; CL = 30 pF; RL = 500 W)
Limits
TA = −40°C to +85°C
VCC = 3.0 V to 3.6 V VCC = 2.3 V to 2.7 V VCC = 1.65 V − 1.95 V
Symbol
Parameter
Waveform Min
Max
Min
Max
Min
Max
Unit
tPLH
Propagation Delay
tPHL
Input to Output
1
1.0
3.0
1.0
3.7
1.0
6.0
ns
1.0
3.0
1.0
3.7
1.0
6.0
tPZH
Output Enable Time to
tPZL
High and Low Level
2
1.0
4.4
1.0
5.7
1.0
8.2
ns
1.0
4.4
1.0
5.7
1.0
8.2
tPHZ
Output Disable Time From
2
tPLZ
High and Low Level
1.0
4.1
1.0
5.2
1.0
1.0
4.1
1.0
5.2
1.0
6.8
ns
6.8
tOSHL
tOSLH
Output−to−Output Skew
(Note 11)
0.5
0.5
0.5
0.5
0.75
ns
0.75
10. For CL = 50 pF, add approximately 300 ps to the AC maximum specification.
11. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH−to−LOW (tOSHL) or LOW−to−HIGH (tOSLH); parameter
guaranteed by design.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN
Input Capacitance
COUT
Output Capacitance
CPD
Power Dissipation Capacitance
12. VCC = 1.8, 2.5 or 3.3 V; VI = 0 4 V or VCC.
Condition
Note 12
Note 12
Note 12, 10 MHz
Dn
Vm
tPLH
On
Vm
Vm
tPHL
Vm
WAVEFORM 1 − PROPAGATION DELAYS
tR = tF = 2.0 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
OEn
tPZH
On
tPZL
On
Vm
tPHZ
Vm
tPLZ
Vm
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.0 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Figure 4. AC Waveforms
Typical
6
7
20
VIH
0V
VOH
VOL
VIH
0V
VOH
Vy
≈0V
≈ VCC
Vx
VOL
Unit
pF
pF
pF
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