74HC14 Datasheet, PDF (4/9 Pages) NXP Semiconductors – Hex inverting Schmitt trigger

74HC14
Electrical Characteristics (@T_A = +25°C, unless otherwise specified.)
Symbol
Parameter
Test Conditions
V_T+
Positive-Going Input
Threshold Voltage
Negative-Going
V_T- Input Threshold
Voltage
Hysteresis
∆V_{T (VT+ - VT-)}
V_OH
High Level Output
Voltage
V_OL
Low Level Output
Voltage
I_I Input Current
I_CC Supply Current
I_OH = -20μA
I_OH = -20μA
I_OH = -20μA
I_OH = -4.0mA
I_OH = -5.2mA
I_OL = 20μA
I_OL = 20μA
I_OL = 20μA
I_OL = 4mA
I_OL = 5.2mA
V_I =GND to 5.5V
V_I = GND or V_CC, I_O=0
V_CC
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
4.5V
6.0V
2.0V
4.5V
6.0V
4.5V
6.0V
6.0V
6.0V
T_A = -40°C to +85°C
Min
Max
0.7
1.5
1.7
3.15
2.1
4.2
0.3
0.9
0.9
2.0
1.2
2.6
0.2
1.0
0.4
1.4
0.6
1.6
1.9
4.4
5.9
3.84
5.34
0.1
0.1
0.1
0.33
0.33
±1
20
T_A = -40°C to +125°C
Unit
Min
Max
0.7
1.5
1.7
3.15
V
2.1
4.2
0.3
0.9
0.9
2.0
V
1.2
2.6
0.2
1.0
0.4
1.4
V
0.6
1.6
1.9
4.4
5.9
V
3.7
5.2
0.1
0.1
0.1
V
0.40
0.40
±1
μA
40
μA
Switching Characteristics
Symbol
Parameter
Test
Conditions
Propagation
Figure 1
t_PD
Delay A_N to Y_N
C_L = 50 pF
Figure 1
t_t
Transition Time
C_L = 50 pF
V_CC
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
T_A = +25°C
Min
Typ
Max
—
42
125
—
15
25
—
12
21
—
19
75
—
7
15
—
6
13
-40°C to +85°C -40°C to +125°C
Unit
Max
Max
155
190
31
38
ns
26
32
95
110
19
22
ns
16
19
Operating Characteristics (@T_A = +25°C, unless otherwise specified.)
Parameter
Test Conditions
V_CC = 6V
Typ
Unit
C_pd
Power dissipation
capacitance per gate
f = 1 MHz
20
pF
C_I
Input Capacitance
V_I = V_CC – or GND
4
pF
74HC14
Document number: DS35323 Rev. 2 - 2
4 of 9
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January 2013
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