MC74AC240_15 Datasheet, PDF (4/8 Pages) ON Semiconductor – Octal Buffer/Line Driver with 3-State Outputs

MC74AC240, MC74ACT240
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
74AC
Symbol
Parameter
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C
to +85°C
C_L = 50 pF
Fig.
Unit
No.
Min
Typ
Max
Min
Max
Propagation Delay
t_PLH
Data to Output
3.3
1.5
6.0
8.0
1.0
9.0
5.0
1.5
4.5
6.5
1.0
7.0
ns
3−5
Propagation Delay
t_PHL
Data to Output
3.3
1.5
5.5
8.0
1.0
8.5
5.0
1.5
4.5
6.0
1.0
6.5
ns
3−5
t_PZH
Output Enable Time
3.3
1.5
6.0
10.5
1.0
11.0
5.0
1.5
5.0
7.0
1.0
8.0
ns
3−7
t_PZL
Output Enable Time
3.3
1.5
7.0
10.0
1.0
11.0
5.0
1.5
5.5
8.0
1.0
8.5
ns
3−8
t_PHZ
Output Disable Time
3.3
1.5
7.0
10.0
1.0
10.5
5.0
1.5
6.5
9.0
1.0
9.5
ns
3−7
t_PLZ
Output Disable Time
3.3
1.5
7.5
10.5
1.0
11.5
5.0
1.5
6.5
9.0
1.0
9.5
ns
3−8
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
DC CHARACTERISTICS
Symbol
Parameter
V_IH
Minimum High Level
Input Voltage
V_IL
Maximum Low Level
Input Voltage
V_OH
Minimum High Level
Output Voltage
74ACT
74ACT
V_CC
(V)
T_A = +25°C
T_A = −40°C to +85°C
Typ
Guaranteed Limits
4.5
1.5
2.0
2.0
5.5
1.5
2.0
2.0
4.5
1.5
0.8
0.8
5.5
1.5
0.8
0.8
4.5
4.49
4.4
4.4
5.5
5.49
5.4
5.4
4.5
−
3.86
3.76
5.5
−
4.86
4.76
V_OL
Maximum Low Level
4.5
0.001
0.1
0.1
Output Voltage
5.5
0.001
0.1
0.1
4.5
−
0.36
0.44
5.5
−
0.36
0.44
I_IN
Maximum Input
Leakage Current
5.5
−
±0.1
±1.0
DI_CCT Additional Max. I_CC/Input
5.5
0.6
−
1.5
I_OZ
Maximum
3−State
Current
5.5
−
±0.5
±5.0
I_OLD
†Minimum Dynamic
5.5
−
−
75
I_OHD
Output Current
5.5
−
−
−75
I_CC
Maximum Quiescent
5.5
−
8.0
80
Supply Current
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Unit
Conditions
V
V_OUT = 0.1 V
or V_CC − 0.1 V
V
V_OUT = 0.1 V
or V_CC − 0.1 V
V
I_OUT = −50 mA
*V_IN = V_IL or V_IH
V
I_OH −24 mA
−24 mA
V
I_OUT = 50 mA
*V_IN = V_IL or V_IH
V
24 mA
I_{OL 24 mA}
mA
V_I = V_CC, GND
mA
V_I = V_CC − 2.1 V
V_I (OE) = V_IL, V_IH
mA
V_I = V_CC, GND
V_O = V_CC, GND
mA
V_OLD = 1.65 V Max
mA
V_OHD = 3.85 V Min
mA
V_IN = V_CC or GND
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