74ACT240_08 Datasheet, PDF (6/11 Pages) Fairchild Semiconductor – 74AC240, 74ACT240 Octal Buffer/Line Driver with 3-STATE Outputs

AC Electrical Characteristics for AC
Symbol
Parameter
t_PLH Propagation Delay
Data to Output
t_PHL Propagation Delay
Data to Output
t_PZH Output Enable Time
t_PZL Output Enable Time
t_PHZ Output Disable Time
t_PLZ Output Disable Time
V_CC (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
T_A = +25°C,
C_L = 50pF
Min. Typ. Max.
1.5
6.0
8.0
1.5
4.5
6.5
1.5
5.5
8.0
1.5
4.5
6.0
1.5
6.0 10.5
1.5
5.0
7.0
1.5
7.0 10.0
1.5
5.5
8.0
1.5
7.0 10.0
1.5
6.5
9.0
1.5
7.5 10.5
1.5
6.5
9.0
Note:
6. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V.
T_A = −40°C to +85°C,
C_L = 50pF
Min.
Max.
1.0
9.0
1.0
7.0
1.0
8.5
1.0
6.5
1.0
11.0
1.0
8.0
1.0
11.0
1.0
8.5
1.0
10.5
1.0
9.5
1.0
11.5
1.0
9.5
Units
ns
ns
ns
ns
ns
ns
AC Electrical Characteristics for ACT
Symbol
Parameter
t_PLH Propagation Delay,
Data to Output
t_PHL Propagation Delay,
Data to Output
t_PZH Output Enable Time
t_PZL Output Enable Time
t_PHZ Output Disable Time
t_PLZ Output Disable Time
Note:
7. Voltage range 5.0 is 5.0V ± 0.5V.
V_CC (V)⁽⁷⁾
5.0
T_A = +25°C,
C_L = 50pF
Min. Typ. Max.
1.5 6.0 8.5
T_A = −40°C to +85°C,
C_L = 50pF
Min.
Max.
1.5
9.5
Units
ns
5.0
1.5 5.5 7.5
1.5
8.5
ns
5.0
1.5 7.0 8.5
1.0
5.0
2.0 7.0 9.5
1.5
5.0
2.0 8.0 9.5
2.0
5.0
2.5 6.5 10.0
2.0
9.5
ns
10.5
ns
10.5
ns
10.5
ns
Capacitance
Symbol
C_IN
C_PD
Parameter
Input Capacitance
Power Dissipation Capacitance
Conditions
V_CC = OPEN
V_CC = 5.0V
Typ.
4.5
45.0
Units
pF
pF
©2006 Fairchild Semiconductor Corporation
74AC240, 74ACT240 Rev. 1.2.0
6
www.fairchildsemi.com