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74ACTQ646SC Folha de dados(PDF) 7 Page - Fairchild Semiconductor

Nome de Peças 74ACTQ646SC
Descrição Electrónicos  Quiet Series??Octal Transceiver/Register with 3-STATE Outputs
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74ACTQ646SC Folha de dados(HTML) 7 Page - Fairchild Semiconductor

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AC Electrical Characteristics for ACTQ
Note 17: Voltage Range 5.0 is 5.0V
± 0.5V
Note 18: Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs within the same packaged 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. Not tested.
AC Operating Requirements for ACTQ
Note 19: Voltage Range 5.0 is 5.0V
± 0.5V
Capacitance
VCC
TA = +25°CTA = −40°C to +85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 17)
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
5.0
2.5
8.5
10.5
2.5
11.0
ns
tPHL
Clock to Bus
tPLH
Propagation Delay
5.0
2.0
8.0
10.0
2.0
10.5
ns
tPHL
Bus to Bus
tPLH
Propagation Delay
tPHL
SBA or SAB to An or Bn
5.0
2.5
8.5
10.5
2.5
11.0
ns
(w/An or Bn HIGH or LOW)
tPZH
Enable Time
5.0
2.5
10.0
12.0
2.5
12.5
ns
tPZL
G to An or Bn
tPHZ
Disable Time
5.01.0
7.08.5
1.09.0
ns
tPLZ
G to An or Bn
tPZH
Enable Time
5.0
2.5
10.0
12.0
2.5
12.5
ns
tPZL
DIR to An or Bn
tPHZ
Disable Time
5.01.0
7.08.5
1.09.0
ns
tPLZ
DIR to An or Bn
tOSHL
Output to Output
tOSLH
Skew (Note 18) Select to Bus
5.0
0.5
1.0
1.0
ns
or Clock to Bus
tOSHL
Output to Output
tOSLH
Skew (Note 18)
5.0
1.0
1.5
1.5
ns
Bus to Bus
VCC
TA = +25°CTA = −40°C to +85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 19)
Typ
Guaranteed Minimum
tS
Setup Time, HIGH or LOW
5.0
3.0
3.0
ns
Bus to Clock
tH
Hold Time, HIGH or LOW
5.0
1.5
1.5
ns
Bus to Clock
tW
Clock Pulse Width
5.0
4.0
4.0
ns
HIGH or LOW
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.5
pF
VCC = OPEN
CI/O
Input/Output Capacitance
15.0
pF
VCC = 5.0V
CPD
Power Dissipation Capacitance
90.0
pF
VCC = 5.0V


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