Diodes 74AHCT08 - Manual (Page 2)

74AHCT08
Document number: DS35351 Rev. 3 - 2
2 of 8
www.diodes.com
January 2013
© Diodes Incorporated
NEW PROD
UC
T
74AHCT08
Pin Descriptions
Pin
Number
Pin Name Function
1 1A Data Input
2 1B Data Input
3 1Y Data Output
4 2A Data Input
5 2B Data Input
6 2Y Data Output
7 GND Ground
8 3Y Data Output
9 3A Data Input
10 3B Data Input
11 4Y Data Output
12 4A Data Input
13 4B Data Input
14 V
CC
Supply Voltage
Function Table
Inputs Output
A B Y
L L L
L H L
H L L
H H H
Logic Diagram
Absolute Maximum Ratings
(Note 4) (@T
A
= +25°C, unless otherwise specified.)
Symbol Description Rating Unit
ESD HBM Human Body Model ESD Protection 2 KV
ESD CDM Charged Device Model ESD Protection 1 KV
ESD MM Machine Model ESD Protection 200 V
V
CC
Supply Voltage Range -0.5 to +7.0 V
V
I
Input Voltage Range -0.5 to +7.0 V
I
IK
Input Clamp Current V
I
< -0.5V -20 mA
I
OK
Output Clamp Current V
O
< 0V -20 mA
I
OK
Output Clamp Current V
O
> V
CC
20 mA
I
O
Continuous Output current 0V < V
O
< V
C
+/- 25 mA
I
CC
Continuous Current Through V
CC
50 mA
I
GND
Continuous Current Through GND -50 mA
T
J
Operating Junction Temperature -40 to +150 °C
T
STG
Storage Temperature -65 to +150 °C
P
TOT
Total Power Dissipation 500 mW
Note: 4. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device operation should
be within recommend values.