Diodes 74AHCT594 - Manual (Page 4)

74AHCT594
Document number: DS35485 Rev. 2 - 2
4 of 10
www.diodes.com
June 2013
© Diodes Incorporated
74AHCT594
Recommended Operating Conditions
(Note 5) (@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Max Unit
V
CC
Supply Voltage  4.5 5.5 V
V
I
Input Voltage  0 5.5 V
V
O
Output Voltage Active Mode 0 V
CC
V
t/V Input transition Rise or Fall Rate V
CC
= 4.5V to 5.5V  20 ns/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
= +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
 4.5V to 5.5V 2.0   2.0  2.0  V
V
IL
Low-level input
voltage
 4.5V to 5.5V   0.8  0.8  0.8 V
V
OH
High Level
Output Voltage I
OH
= -50 μA 4.5V 4.4 4.5  4.4  4.4 
V
I
OH
= -8mA 4.5V 3.94   3.80  3.70 
V
OL
Low-level
Output Voltage I
OL
= 50 μA 4.5V  0 0.1  0.1  0.1
V
I
OL
= 8mA 4.5V   0.36  0.44  0.55
I
I
Input Current V
I
= GND or 5.5V 0V to 5.5V  0.1 ±0.1  ± 1  ± 2 μA
I
CC
Supply Current
V I = GND or V CC
I O = 0
5.5V   4.0  40  80 μA
∆I
CC
Additional
Supply Current
per Input
V
I
= V
CC
-2.1V
I
O
= 0
4.5V to 5.5V   1.35  1.5  1.5 mA
C
i
Input
Capacitance
V
i
= V
CC
or GND 5.5V  3.5 10  10  10 pF