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74ACQ245 Datasheet(Fiches technique) 5 Page - Fairchild Semiconductor

Numéro de pièce 74ACQ245
Description  Quiet Series Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
Télécharger  11 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74ACQ245 Datasheet(HTML) 5 Page - Fairchild Semiconductor

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AC Electrical Characteristics for ACQ
Note 14: Voltage Range 5.0 is 5.0V
r 0.5V
Voltage Range 3.3 is 3.3V
r 0.3V
Note 15: 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 16: Voltage Range 5.0 is 5.0V
r 0.5V
Note 17: 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 25qCTA 40qC to 85qC
Symbol
Parameter
(V)
CL 50 pF
CL 50 pF
Units
(Note 14)
Min
Typ
Max
Min
Max
tPHL
Propagation Delay
3.3
2.0
7.5
10.0
2.0
10.5
ns
tPLH
Data to Output
5.0
1.5
5.0
6.5
1.5
7.0
tPZL
Output Enable Time
3.3
3.0
8.5
13.0
3.0
13.5
ns
tPZH
5.0
2.0
6.0
8.5
2.0
9.0
tPHZ
Output Disable Time
3.3
1.0
8.5
14.5
1.0
15.0
ns
tPLZ
5.0
1.0
7.5
9.5
1.0
10.0
tOSHL
Output to Output Skew (Note 15)
3.3
1.0
1.5
1.5
ns
tOSLH
Data to Output
5.0
0.5
1.0
1.0
VCC
TA 25qCTA 40qC to 85qC
Symbol
Parameter
(V)
CL 50 pF
CL 50 pF
Units
(Note 16)
Min
Typ
Max
Min
Max
tPHL
Propagation Delay
5.0
1.5
5.5
7.0
1.5
7.5
ns
tPLH
Data to Output
tPZL, tPZH
Output Enable Time
5.0
2.0
7.0
9.0
2.0
9.5
ns
tPHZ, tPLZ
Output Disable Time
5.0
1.0
8.0
10.0
1.0
10.5
ns
tOSHL
Output to Output Skew (Note 17)
5.0
0.5
1.0
1.0
ns
tOSLH
Data to Output
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.5
pF
VCC OPEN
CI/O
Input/Output Capacitance
15
pF
VCC 5.0V
CPD
Power Dissipation Capacitance
80.0
pF
VCC 5.0V


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