Diodes 74AHC594 - Manual (Page 4)

74AHC594
Document number: DS35484 Rev. 3 - 2
4 of 11
www.diodes.com
June 2013
© Diodes Incorporated
74AHC594
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
Δt/ΔV Input transition Rise or Fall Rate
V
CC
= 3.0V to 3.6V  100
ns/V
V
CC
= 4.5V to 5.5V  20
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
= +25°C T
A
= -40°C to +85°C T
A
= -40°C to +125°C
Unit
Min Typ Max Min Max Min Max
V
IH
High-Level
Input Voltage
 2.0V 1.5   1.5  1.5 
V  3.0V 2.1   2.1  2.1 
 5.5V 3.85   3.85  3.85 
V
IL
Low-Level
Input Voltage
 2.0V   0.5  0.5  0.5
V  3.0V   0.9  0.9  0.9
 5.5V   1.65  1.65  1.65
V
OH
High-Level
Output Voltage
I
OH
= -50μA 2.0V 1.9 2.0  1.9  1.9 
V
I
OH
= -50μA 3.0V 2.9 3.0  2.9  2.9 
I
OH
= -50μA 4.5V 4.4 4.5  4.4  4.4 
I
OH
= -4mA 3.0V 2.58   2.48  2.40 
I
OH
= -8mA 4.5V 3.94   3.80  3.70 
V
OL
Low-Level
Output Voltage
I
OL
= 50μA 2.0V  0 0.1  0.1  0.1
V
I
OL
= 50μA 3.0V  0 0.1  0.1  0.1
I
OL
= 50μA 4.5V  0 0.1  0.1  0.1
I
OL
= 4mA 3.0V   0.36  0.44  0.55
I
OL
= 8mA 4.5V   0.36  0.44  0.55
I
I
Input Current V
I
= GND or 5.5V 5.5V  0.01 ± 0.1  ± 1  ± 2 μA
I
CC
Supply Current
V
I
= GND or V
CC
I
O
= 0
5.5V   4  40  80 μA
C
i
Input
Capacitance V
i
= V
CC
or GND
5.5V  3.5 10  10  10 pF