MC74HC240A_14 Datasheet, PDF (3/7 Pages) ON Semiconductor – Octal 3-State Inverting Buffer/Line Driver/Line Receiver

MC74HC240A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
V_CC
Test Conditions
V
V_IH Minimum High−Level Input Voltage V_out = V_CC – 0.1 V
2.0
|I_out| v 20 mA
3.0
4.5
6.0
V_IL Maximum Low−Level Input Voltage V_out = 0.1 V
2.0
|I_out| v 20 mA
3.0
4.5
6.0
V_OH Minimum High−Level Output
V_in = V_IH
2.0
Voltage
|I_out| v 20 mA
4.5
6.0
V_OL Maximum Low−Level Output
Voltage
V_in = V_IH
V_in = V_IL
|I_out| v 20 mA
|I_out| v 2.4 mA 3.0
|I_out| v 6.0 mA 4.5
|I_out| v 7.8 mA 6.0
2.0
4.5
6.0
V_in = V_IL
|I_out| v 2.4 mA 3.0
|I_out| v 6.0 mA 4.5
|I_out| v 7.8 mA 6.0
I_in
Maximum Input Leakage Current V_in = V_CC or GND
6.0
I_OZ Maximum Three−State Leakage
Output in High−Impedance State
6.0
Current
V_in = V_IL or V_IH
V_out = V_CC or GND
I_CC Maximum Quiescent Supply
V_in = V_CC or GND
6.0
Current (per Package)
I_out = 0 mA
Guaranteed Limit
–55 to
25_C
v 85_C v 125_C Unit
1.5
1.5
1.5
V
2.1
2.1
2.1
3.15
3.15
3.15
4.2
4.2
4.2
0.5
0.5
0.5
V
0.9
0.9
0.9
1.35
1.35
1.35
1.8
1.8
1.8
1.9
1.9
1.9
V
4.4
4.4
4.4
5.9
5.9
5.9
2.48
2.34
2.2
3.98
3.84
3.7
5.48
5.34
5.2
0.1
0.1
0.1
V
0.1
0.1
0.1
0.1
0.1
0.1
0.26
0.33
0.4
0.26
0.33
0.4
0.26
0.33
0.4
±0.1
± 0.5
±1.0
± 5.0
±1.0
mA
± 10
mA
4.0
40
160
mA
AC ELECTRICAL CHARACTERISTICS (C_L = 50 pF, Input t_r = t_f = 6 ns)
Symbol
Parameter
t_PLH,
t_PHL
Maximum Propagation Delay, A to YA or B to YB
(Figures 1 and 3)
t_PLZ,
t_PHZ
Maximum Propagation Delay, Output Enable to YA or YB
(Figures 2 and 4)
t_PZL,
t_PZH
Maximum Propagation Delay, Output Enable to YA or YB
(Figures 2 and 4)
t_TLH,
t_THL
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
C_in Maximum Input Capacitance
C_out Maximum Three−State Output Capacitance
(Output in High−Impedance State)
Guaranteed Limit
V_CC –55 to
V
25_C v 85_C v 125_C _Unit
2.0
80
3.0
40
4.5
16
6.0
14
100
120
ns
50
60
20
24
17
20
2.0
110
140
165
ns
3.0
60
70
80
4.5
22
28
33
6.0
19
24
28
2.0
110
140
165
ns
3.0
60
70
80
4.5
22
28
33
6.0
19
24
28
2.0
60
75
90
ns
3.0
23
27
32
4.5
12
15
18
6.0
10
13
15
−
10
10
10
pF
−
15
15
15
pF
Typical @ 25°C, V_CC = 5.0 V
C_PD Power Dissipation Capacitance (Per Transceiver Channel)*
32
pF
* Used to determine the no−load dynamic power consumption: P_D = C_PD V_CC2f + I_CC V_CC.
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