74HC244 Datasheet, PDF (3/7 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state

74HC244
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Max Unit
V_CC DC Supply Voltage (Referenced to GND)
2.0
6.0
V
V_in, V_out DC Input Voltage, Output Voltage (Referenced to GND) 0
V_CC
V
T_A
Operating Temperature, All Package Types
– 55 + 125 _C
t_r, t_f Input Rise and Fall Time
(Figure 1)
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
0
1000
ns
0
500
0
400
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Guaranteed Limit
Symbol
Parameter
Test Conditions
V_CC – 55 to
(V)
25_C v 85_C v 125_C Unit
V_IH Minimum High−Level Input Voltage V_out = V_CC – 0.1 V
|I_out| v 20 mA
2.0
1.5
1.5
1.5
V
3.0
2.1
2.1
2.1
4.5
3.15
3.15
3.15
6.0
4.2
4.2
4.2
V_IL Maximum Low−Level Input Voltage V_out = 0.1 V
|I_out| v 20 mA
2.0
0.5
0.5
0.5
V
3.0
0.9
0.9
0.9
4.5
1.35
1.35
1.35
6.0
1.8
1.8
1.8
V_OH Minimum High−Level Output
Voltage
V_in = V_IH
|I_out| v 20 mA
2.0
1.9
1.9
1.9
V
4.5
4.4
4.4
4.4
6.0
5.9
5.9
5.9
V_OL Maximum Low−Level Output
Voltage
V_in = V_IH |I_out| v 2.4 mA
|I_out| v 6.0 mA
|I_out| v 7.8 mA
V_in = V_IL
|I_out| v 20 mA
3.0
2.48
2.34
2.2
4.5
3.98
3.84
3.7
6.0
5.48
5.34
5.2
2.0
0.1
0.1
0.1
V
4.5
0.1
0.1
0.1
6.0
0.1
0.1
0.1
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
0.26
0.26
0.26
±0.1
±0.5
4.0
0.33
0.33
0.33
±1.0
±5.0
40
0.4
0.4
0.4
±1.0
mA
±10
mA
40
mA
NOTE: Information on typical parametric values and high frequency or heavy load considerations can be found in Chapter 2 of the ON
Semiconductor High−Speed CMOS Data Book (DL129/D).
http://onsemi.com
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