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74LCX2244 Datasheet(Hoja de datos) 4 Page - Fairchild Semiconductor

No. de Pieza. 74LCX2244
Descripción  Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs with 26ohm Series Resistors in the Outputs
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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4
DC Electrical Characteristics (Continued)
Note 5: Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note 6: 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).
Dynamic Switching Characteristics
Capacitance
Symbol
Parameter
Conditions
VCC
TA = −40°C to +85°C
Units
(V)
Min
Max
IOFF
Power-Off Leakage Current
VI or VO = 5.5V
0.0
10.0
µA
ICC
Quiescent Supply Current
VI = VCC or GND
2.3
− 3.6
10.0
µA
3.6V
≤ V
I, VO ≤ 5.5V (Note 5)
2.3
− 3.6
±10.0
∆I
CC
Increase in ICC per Input
VIH = VCC − 0.6V
2.3
− 3.6
500
µA
Symbol
Parameter
TA = −40°C to +85°C, RL = 500Ω
Units
VCC = 3.3V ± 0.3V
VCC = 2.7V
VCC = 2.5 ± 0.2V
CL = 50pF
CL = 50pF
CL = 30pF
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
1.5
7.5
1.5
8.5
1.5
9.0
ns
tPLH
Data to Output
1.5
7.5
1.5
8.5
1.5
9.0
tPZL
Output Enable Time
1.5
9.0
1.5
10.0
1.5
10.5
ns
tPZH
1.5
9.0
1.5
10.0
1.5
10.5
tPLZ
Output Disable Time
1.5
7.0
1.5
8.0
1.5
8.4
ns
tPHZ
1.57.0
1.58.0
1.58.4
tOSHL
Output to Output Skew (Note 6)
1.0
ns
tOSLH
1.0
Symbol
Parameter
Conditions
VCC
TA = 25°C
Units
(V)
Typical
VOLP
Quiet Output Dynamic Peak VOL
CL = 50 pF, VIH = 3.3V, VIL = 0V
3.3
0.35
V
CL = 30 pF, VIH = 2.5V, VIL = 0V
2.5
0.25
VOLV
Quiet Output Dynamic Valley VOL
CL = 50 pF, VIH = 3.3V, VIL = 0V
3.3
−0.35
V
CL = 30 pF, VIH = 2.5V, VIL = 0V
2.5
−0.25
Symbol
Parameter
Conditions
Typical
Units
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
7.0
pF
COUT
Output Capacitance
VCC = 3.3V, VI = 0V or VCC
8.0
pF
CPD
Power Dissipation Capacitance
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
25.0
pF




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