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74ACQ245 Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part No. 74ACQ245
Description  Quiet Series™ Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74ACQ245 Datasheet(HTML) 6 Page - Fairchild Semiconductor

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©1989 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74ACQ245, 74ACTQ245 Rev. 1.4
6
AC Electrical Characteristics for ACQ
Notes:
11. Voltage range 5.0 is 5.0V ± 0.5V. Voltage range 3.3 is 3.3V ± 0.3V.
12. 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
Notes:
13. Voltage range 5.0 is 5.0V ± 0.5V
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.
Capacitance
Symbol
Parameter
VCC (V)
(11)
TA = +25°C,
CL = 5 pF
TA = –40°C to +85°C,
CL = 50pF
Units
Min.
Typ.
Max.
Min.
Max.
tPHL, tPLH
Propagation Delay,
Data to Output
3.3
2.0
7.5
10.0
2.0
10.5
ns
5.0
1.5
5.0
6.5
1.5
7.0
tPZL, tPZH
Output Enable Time
3.3
3.0
8.5
13.0
3.0
13.5
ns
5.0
2.0
6.0
8.5
2.0
9.0
tPHZ, tPLZ
Output Disable Time
3.3
1.0
8.5
14.5
1.0
15.0
ns
5.0
1.0
7.5
9.5
1.0
10.0
tOSHL, tOSLH Output to Output Skew,
Data to Output(12)
3.3
1.0
1.5
1.5
ns
5.0
0.5
1.0
1.0
Symbol
Parameter
VCC (V)
(13)
TA = +25°C,
CL = 50pF
TA = –40°C to +85°C,
CL = 50pF
Units
Min.
Typ.
Max.
Min.
Max.
tPHL, tPLH
Propagation Delay,
Data to Output
5.0
1.5
5.5
7.0
1.5
7.5
ns
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, tOSLH Output to Output Skew,
Data to Output(14)
5.0
0.5
1.0
1.0
ns
Symbol
Parameter
Conditions
Typ.
Units
CIN
Input Capacitance
VCC = OPEN
4.5
pF
CI/O
Input/Output Capacitance
VCC = 5.0V
15
pF
CPD
Power Dissipation Capacitance
VCC = 5.0V
80.0
pF


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