Datasheet

74HC_HCT02 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 4 — 4 September 2012 3 of 16
NXP Semiconductors
74HC02; 74HCT02
Quad 2-input NOR gate
6. Functional description
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
7. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For DIP14 package: P
tot
derates linearly with 12 mW/K above 70 C.
For SO14 package: P
tot
derates linearly with 8 mW/K above 70 C.
For (T)SSOP14 packages: P
tot
derates linearly with 5.5 mW/K above 60 C.
For DHVQFN14 packages: P
tot
derates linearly with 4.5 mW/K above 60 C.
8. Recommended operating conditions
Table 3. Function table
[1]
Input Output
nA nB nY
LLH
XHL
HXL
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage 0.5 +7 V
I
IK
input clamping current V
I
< 0.5 V or V
I
>V
CC
+0.5 V
[1]
- 20 mA
I
OK
output clamping current V
O
< 0.5 V or V
O
>V
CC
+0.5V
[1]
- 20 mA
I
O
output current 0.5 V < V
O
< V
CC
+0.5V - 25 mA
I
CC
supply current - 50 mA
I
GND
ground current 50 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation
[2]
DIP14 package - 750 mW
SO14, (T)SSOP14 and
DHVQFN14 packages
- 500 mW
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter Conditions 74HC02 74HCT02 Unit
Min Typ Max Min Typ Max
V
CC
supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
0- V
CC
V
V
O
output voltage 0 - V
CC
0- V
CC
V
T
amb
ambient temperature 40 - +125 40 - +125 C