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74ACQ244SJ Datasheet(Fiches technique) 5 Page - Fairchild Semiconductor

Numéro de pièce 74ACQ244SJ
Description  Quiet Series Octal Buffer/Line Driver with 3-STATE Outputs
Télécharger  10 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74ACQ244SJ Datasheet(HTML) 5 Page - Fairchild Semiconductor

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DC Electrical Characteristics for ACTQ (Continued)
Note 11: Max number of outputs defined as (n). Data Inputs are driven 0V to 3V. One output @ GND.
Note 12: Max number of Data Inputs (n) switching. (n
−1) Inputs switching 0V to 3V (ACTQ). Input-under-test switching: 3V to threshold (V
ILD),
0V to threshold (VIHD), f = 1 MHz.
AC Electrical Characteristics for ACQ
Note 13: Voltage Range 5.0 is 5.0V
± 0.5V.
Voltage Range 3.3 is 3.3V
± 0.3V.
Note 14: 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.
AC Electrical Characteristics for ACTQ
Note 15: Voltage Range 5.0 is 5.0V
± 0.5V.
Note 16: 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.
Capacitance
VCC
TA = +25°CTA = −40°C to +85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 13)
Min
Typ
Max
Min
Max
tPHL
Propagation Delay
3.3
2.0
7.0
9.0
2.0
9.5
ns
tPLH
Data to Output
5.0
1.5
5.0
6.0
1.5
6.5
tPZL tPZH
Output Enable Time
3.3
2.5
8.0
12.0
2.5
12.5
ns
5.0
1.5
6.5
8.0
1.5
8.5
tPHZ tPLZ
Output Disable Time
3.3
1.0
9.0
13.5
1.0
14.0
ns
5.0
1.0
7.5
9.0
1.0
9.5
tOSHL tOSLH
Output to Output
3.3
1.0
1.5
1.5
ns
Skew Data to Output (Note 14)
5.0
0.5
1.0
1.0
VCC
TA = +25°CTA = −40°C to +85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 15)
Min
Typ
Max
Min
Max
tPHL
Propagation Delay
5.0
1.5
5.5
6.5
1.5
7.0
ns
tPLH
Data to Output
tPZL
Output Enable Time
5.0
1.5
7.0
8.5
1.5
9.0
ns
tPZH
tPHZ
Output Disable Time
5.0
1.0
8.0
9.5
1.0
10.0
ns
tPLZ
tOSHL
Output to Output
5.0
0.5
1.0
1.0
ns
tOSLH
Skew Data to Output (Note 16)
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.5
pF
VCC = OPEN
CPD
Power Dissipation Capacitance
70
pF
VCC = 5.0V


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