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74AC646SPC Fiches technique(PDF) 7 Page - Fairchild Semiconductor

No de pièce 74AC646SPC
Description  Octal Transceiver/Register with 3-STATE Outputs
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74AC646SPC Fiches technique(HTML) 7 Page - Fairchild Semiconductor

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AC Electrical Characteristics for ACT
Note 10: Voltage Range 5.0 is 5.0V
± 0.5V
AC Operating Requirements for ACT
Note 11: 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 10)
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
5.0
3.5
12.0
14.5
3.0
16.0
ns
Clock to Bus
tPHL
Propagation Delay
5.0
4.0
12.0
14.5
3.5
16.0
ns
Clock to Bus
tPLH
Propagation Delay
5.0
3.0
8.5
10.5
2.5
11.5
ns
Bus to Bus
tPHL
Propagation Delay
5.0
2.5
8.5
10.5
2.0
11.5
ns
Bus to Bus
tPLH
Propagation Delay
SBA or SAB to An to Bn
5.0
3.0
9.5
11.5
2.5
12.5
ns
(w/An or Bn, HIGH or LOW)
tPHL
Propagation Delay
SBA or SAB to An to Bn
5.0
3.0
9.5
11.5
2.5
12.5
ns
(w/An or Bn, HIGH or LOW)
tPZH
Enable Time
5.0
2.0
9.0
11.0
1.5
12.0
ns
G to An or Bn
tPZL
Enable Time
5.0
3.5
9.0
11.0
3.0
12.0
ns
G to An or Bn
tPHZ
Disable Time
5.0
5.0
10.5
13.0
4.5
14.5
ns
G to An or Bn
tPLZ
Disable Time
5.0
3.5
10.0
12.5
3.0
14.0
ns
G to An or Bn
tPZH
Enable Time
5.0
2.0
6.5
10.5
1.5
11.5
ns
DIR to An or Bn
tPZL
Enable Time
5.0
3.5
6.5
10.5
3.0
11.5
ns
DIR to An or Bn
tPHZ
Disable Time
5.0
5.0
8.5
12.5
4.5
13.5
ns
DIR to An or Bn
tPLZ
Disable Time
5.0
3.5
8.5
12.5
3.0
13.5
ns
DIR to An or Bn
VCC
TA = +25°C
TA = −40°C to +85°C
Symbol
Parameter
(V)
CL = 50 pF
CL = 50 pF
Units
(Note 11)
Typ
Guaranteed Minimum
tS
Setup Time, HIGH or LOW
5.0
2.5
7.0
8.0
ns
BUS to Clock
tH
Hold Time, HIGH or LOW
5.0
0
2.5
2.5
ns
Bus to Clock
tW
Clock Pulse Width
5.0
4.5
7.0
8.0
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
60.0
pF
VCC = 5.0V


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