Diodes 74AHC14 - Manual (Page 3)

74AHC14
Document number: DS35342 Rev 3 - 2
3 of 8
www.diodes.com
January 2013
© Diodes Incorporated
NEW PROD
UC
T
74AHC14
Recommended Operating Conditions
(Note 5) @T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Max Unit
V
CC
Supply Voltage 2.0 5.5 V
V
I
Input Voltage 0 5.5 V
V
O
Output Voltage 0 V
CC
V
T
A
Operating Free-Air Temperature -40 +125 °C
Note: 5. Unused inputs should be held at V
CC
or Ground.
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Test Conditions V
CC
T
A
= -40°C to +85°C T
A
= -40°C to +125°C
Unit
Min Max Min Max
V
T+
Positive-Going
Input Threshold
Voltage
3V 2.2 2.2
V 4.5V 3.15 3.15
5.5V 3.85 3.85
V
T-
Negative-Going
Input Threshold
Voltage
3V 0.9 0.9
V 4.5V 1.35 1.35
5.5V 1.65 1.65
∆V
T
Hysteresis
(V
T+
- V
T-)
3V 0.3 1.2 0.25 1.2
V 4.5V 0.4 1.4 0.35 1.4
5.5V 0.5 1.6 0.45 1.6
V
OH
High Level Output
Voltage
I
OH
= -50μA 2.0V 1.9 1.9
V
I
OH
= -50μA 3.0V 2.9 2.9
I
OH
= -50μA 4.5V 4.4 4.4
I
OH
= -4mA 3.0V 2.48 2.40
I
OH
= -8mA 4.5V 3.80 3.70
V
OL
Low-level Output
Voltage
I
OL
= 50μA 2.0V 0.1 0.1
V
I
OL
= 50μA 3.0V 0.1 0.1
I
OL
= 50μA 4.5V 0.1 0.1
I
OL
= 4mA 3.0V 0.44 0.55
I
OL
= 8mA 4.5V 0.44 0.55
I
I
Input Current V
I
= GND to 5.5V 3.6V ±1 ±2 μA
I
CC
Supply Current V
I
= GND or V
CC,
I
O
= 0 3.6V 20 40 μA
Operating Characteristics
Parameter
Test
Conditions
V
CC
= 2.0V V
CC
= 3.3V V
CC
= 5V
Unit
Typ Typ Typ
C
pd
Power Dissipation
Capacitance per Gate
f = 1MHz 10.4 12.3 13 pF
C
i
Input Capacitance V
i
= V
CC
– or GND 4.0 4.0 4.0 pF