74AC244SCX(2008) View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
MFG CO.
74AC244SCX Datasheet PDF : 13 Pages
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AC Electrical Characteristics for AC
Symbol
Parameter
tPLH Propagation Delay,
Data to Output
tPHL Propagation Delay,
Data to Output
tPZH Output Enable Time
tPZL Output Enable Time
tPHZ Output Disable Time
tPLZ Output Disable Time
VCC (V)(6)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C,
CL = 50pF
Min. Typ. Max.
2.0 6.5 9.0
1.5 5.0 7.0
2.0 6.5 9.0
1.5 5.0 7.0
2.0 6.0 10.5
1.5 5.0 7.0
2.5 7.5 10.0
1.5 5.5 8.0
3.0 7.0 10.0
2.5 6.5 9.0
2.5 7.5 10.5
2.0 6.5 9.0
Note:
6. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V.
TA = −55°C
to +125°C,
CL = 50pF
Min. Max.
1.0 12.5
1.0 9.5
1.0 12.0
1.0 9.0
1.0 11.5
1.0 9.0
1.0 13.0
1.0 10.5
1.0 12.5
1.0 10.5
1.0 13.0
1.0 11.0
TA = −40°C
to +85°C,
CL = 50pF
Min. Max.
1.5 10.0
1.0 7.5
2.0 10.0
1.0 7.5
1.5 11.0
1.5 8.0
2.0 11.0
1.5 8.5
1.5 10.5
1.0 9.5
2.5 11.5
2.0 9.5
Units
ns
ns
ns
ns
ns
ns
AC Electrical Characteristics for ACT
Symbol
Parameter
tPLH Propagation Delay,
Data to Output
VCC (V)(7)
5.0
tPHL Propagation Delay,
5.0
Data to Output
tPZH Output Enable Time
5.0
tPZL Output Enable Time
5.0
tPHZ Output Disable Time
5.0
tPLZ Output Disable Time
5.0
Note:
7. Voltage range 5.0 is 5.0V ± 0.5V.
TA = +25°C,
CL = 50pF
Min. Typ. Max.
2.0 6.5 9.0
2.0 7.0 9.0
1.5 6.0 8.5
2.0 7.0 9.5
2.0 7.0 9.5
2.5 7.5 10.0
TA = −55°C
to +125°C,
CL = 50pF
Min. Max.
1.0 10.0
1.0 10.0
1.0
9.5
1.0 11.0
1.0 11.0
1.0 11.5
TA = −40°C
to +85°C,
CL = 50pF
Min. Max.
Units
1.5 10.0 ns
1.5 10.0 ns
1.0 9.5 ns
1.5 10.5 ns
1.5 10.5 ns
2.0 10.5 ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Conditions
VCC = OPEN
VCC = 5.0V
Typ
Units
4.5
pF
45.0
pF
©1988 Fairchild Semiconductor Corporation
74AC244, 74ACT244 Rev. 1.4.0
6
www.fairchildsemi.com
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