74AHC02 查看數據表（PDF） - NXP Semiconductors.
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74AHC02 Datasheet PDF : 13 Pages
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NXP Semiconductors
74AHC02; 74AHCT02
Quad 2-input NOR gate
Table 2.
Symbol
2A
2B
GND
3A
3B
3Y
4A
4B
4Y
VCC
Pin description …continued
Pin
5
6
7
8
9
10
11
12
13
14
6. Functional description
Description
data input
data input
ground (0 V)
data input
data input
data output
data input
data input
data output
supply voltage
Table 3. Function table[1]
Input nA
L
X
H
Input nB
L
H
X
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care
7. Limiting values
Output nY
H
L
L
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
VCC
supply voltage
VI
input voltage
IIK
input clamping current
IOK
output clamping current
IO
output current
VI < −0.5 V
VO < −0.5 V or VO > VCC + 0.5 V
VO = −0.5 V to (VCC + 0.5 V)
−0.5 +7.0 V
−0.5 +7.0 V
[1] −20
-
mA
[1] -
±20
mA
-
±25
mA
ICC
IGND
Tstg
Ptot
supply current
ground current
storage temperature
total power dissipation
SO14 package
Tamb = −40 °C to +125 °C
-
75
mA
−75 -
mA
−65 +150 °C
[2] -
500 mW
TSSOP14 package
[3] -
500 mW
DHVQFN14 package
[4] -
500 mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Ptot derates linearly with 8 mW/K above 70 °C.
[3] Ptot derates linearly with 5.5 mW/K above 60 °C.
[4] Ptot derates linearly with 4.5 mW/K above 60 °C.
74AHC_AHCT02_3
Product data sheet
Rev. 03 — 7 January 2008
© NXP B.V. 2008. All rights reserved.
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