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74VHCT244AMTCX View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
74VHCT244AMTCX
Fairchild
Fairchild Semiconductor Fairchild
74VHCT244AMTCX Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
AC Electrical Characteristics
Symbol
tPLH, tPHL
Parameter
Propagation Delay
Time
tPZL, tPZH 3-STATE Output
Enable Time
tPLZ, tPHZ 3-STATE Output
Disable Time
tOSLH, tOSHL Output to Output
Skew
VCC (V)
5.0 ± 0.5
5.0 ± 0.5
5.0 ± 0.5
Conditions
RL = 1k
RL = 1k
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 50pF
TA = 25°C
Min. Typ. Max.
5.4 7.4
5.9 8.4
7.7 10.4
8.2 11.4
8.8 11.4
TA = –40°C
to +85°C
Min. Max.
1.0 8.5
1.0 9.5
1.0 12.5
1.0 13.5
1.0 13.0
Units
ns
ns
ns
5.0 ± 0.5 (7)
1.0
1.0 ns
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation
Capacitance
VCC = Open
VCC = 5.0V
(8)
4 10
9
18
10 pF
pF
pF
Notes:
7. Parameter guaranteed by design. tOSLH = |tPLH max – tPLH min|; tOSHL = |tPHL max – tPHL min|
8. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load. Average operating current can be obtained by the equation:
ICC (Opr.) = CPD • VCC • fIN + ICC / 8 (per F/F). The total CPD when n pcs. of the Octal D Flip-Flop operates
can be calculated by the equation: CPD (total) = 20 + 12n
©1997 Fairchild Semiconductor Corporation
74VHCT244A Rev. 1.3
5
www.fairchildsemi.com
 

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