74AHC_AHCT1G02_6 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 06 — 30 May 2007 3 of 11
NXP Semiconductors
74AHC1G02; 74AHCT1G02
2-input NOR gate
7. Functional description
8. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For both TSSOP5 and SC-74A packages: above 87.5 °C the value of P
tot
derates linearly with 4.0 mW/K.
9. Recommended operating conditions
Table 4. Function table
H = HIGH voltage level; L = LOW voltage level
Inputs Output
A B Y
LLH
LHL
HLL
HHL
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage −0.5 +7.0 V
V
I
input voltage −0.5 +7.0 V
I
IK
input clamping current V
I
< −0.5 V −20 - mA
I
OK
output clamping current V
O
< −0.5 V or V
O
>V
CC
+ 0.5 V
[1]
- ±20 mA
I
O
output current −0.5 V < V
O
<V
CC
+ 0.5 V - ±25 mA
I
CC
supply current - 75 mA
I
GND
ground current −75 - mA
T
stg
storage temperature −65 +150 °C
P
tot
total power dissipation T
amb
= −40 °C to +125 °C
[2]
- 250 mW
Table 6. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 74AHC1G02 74AHCT1G02 Unit
Min Typ Max Min Typ Max
V
CC
supply voltage 2.0 5.0 5.5 4.5 5.0 5.5 V
V
I
input voltage 0 - 5.5 0 - 5.5 V
V
O
output voltage 0 - V
CC
0-V
CC
V
T
amb
ambient temperature −40 +25 +125 −40 +25 +125 °C
∆t/∆V input transition rise
and fall rate
V
CC
= 3.3 V ± 0.3 V - - 100 - - - ns/V
V
CC
= 5.0 V ± 0.5 V - - 20 - - 20 ns/V
