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74ACTQ16244 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. 74ACTQ16244
Description  16-Bit Buffer/Line Driver with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74ACTQ16244 Datasheet(HTML) 4 Page - Fairchild Semiconductor

   
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4
AC Electrical Characteristics
Note 8: Voltage Range 5.0 is 5.0V
r 0.5V.
Extended AC Electrical Characteristics
Note 9: Voltage Range 5.0 is 5.0V
r 0.5V.
Note 10: Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate outputs of the same device.
The specification applies to any outputs switching HIGH-to-LOW (tOSHL), LOW-to-HIGH (tOSLH), or any combination switching LOW-to-HIGH and/or HIGH-
to-LOW (tOST).
Note 11: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase
(i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.).
Note 12: This specification is guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load
capacitors in the standard AC load. This specification pertains to single output switching only.
Note 13: 3-STATE delays are load dominated and have been excluded from the datasheet.
Note 14: The Output Disable Time is dominated by the RC network (500
:, 250 pF) on the output and has been excluded from the datasheet.
Capacitance
VCC
TA 25qCTA 40qC to 85qC
Symbol
Parameter
(V)
CL 50 pF
CL 50 pF
Units
(Note 8)
Min
Typ
Max
Min
Max
tPLH
Propagation
3.0
5.2
7.3
3.0
7.8
ns
tPHL
Delay An, Bn to Bn, An
5.0
2.5
4.8
6.8
2.5
7.3
tPZH
Output Enable
5.0
2.5
5.0
7.4
2.5
7.9
ns
tPZL
Time
2.7
4.6
7.5
2.7
8.0
tPHZ
Output Disable
5.0
2.3
5.0
7.9
2.3
8.2
ns
tPLZ
Time
2.0
4.6
7.4
2.0
7.9
TA 40qC to 85qC
CL 50 pF
TA 40qC to 85qC
Symbol
Parameter
VCC
16 Outputs Switching
CL 250 pF
Units
(V)
(Note 11)
(Note 12)
(Note 8)
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
5.0
4.0
11.6
5.6
14.3
ns
tPHL
Data to Output
3.4
9.6
4.8
13.1
tPZH
Output Enable
5.0
3.5
10.1
(Note 13)
ns
tPZL
Time
3.4
10.0
tPHZ
Output Disable
5.0
3.6
8.9
(Note 14)
ns
tPLZ
Time
3.1
8.1
tOSHL
Pin to Pin Skew
5.0
1.2
ns
(Note 10)
HL Data to Output
tOSLH
Pin to Pin Skew
5.0
2.5
ns
(Note 10)
LH Data to Output
tOST
Pin to Pin Skew
5.0
4.3
ns
(Note 10)
LH/HL Data to Output
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Pin Capacitance
4.5
pF
VCC 5.0V
CPD
Power Dissipation Capacitance
30
pF
VCC 5.0V


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