54AC02
Quad 2-Input NOR Gate
General Description
The 'AC02 contains four, 2-input NOR gates.
Features
n
I
CC
reduced by 50% on 54AC/74AC02 only
n
Outputs source/sink 24 mA
n
'ACT02 has TTL-compatible inputs
n
Standard Military Drawing (SMD)
-- AC02: 5962-87612
n
For Military 54ACT02 device see 54ACTQ02
Logic Symbol
Pin Names
Description
A
n
, B
n
Inputs
O
n
Outputs
Connection Diagrams
FACT
TM
is a trademark of Fairchild Semiconductor Corporation.
IEEE/IEC
DS100258-1
Pin Assignment for DIP and Flatpak
DS100258-3
Pin Assignment for LCC
DS100258-2
July 1998
54AC02
Quad
2-Input
NOR
Gate
1998 National Semiconductor Corporation
DS100258
www.national.com
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
CC
)
-0.5V to +7.0V
DC Input Diode Current (I
IK
)
V
I
= -0.5V
-20 mA
V
I
= V
CC
+ 0.5V
+20 mA
DC Input Voltage (V
I
)
-0.5V to V
CC
+ 0.5V
DC Output Diode Current (I
OK
)
V
O
= -0.5V
-20 mA
V
O
= V
CC
+ 0.5V
+20 mA
DC Output Voltage (V
O
)
-0.5V to to V
CC
+ 0.5V
DC Output Source or Sink
Current (I
O
)
50 mA
DC V
CC
or Ground Current per
Output Pin (I
CC
or I
GND
)
50 mA
Storage Temperature (T
STG
)
-65C to +150C
Junction Temperature (T
J
)
CDIP
175C
Recommended Operating
Conditions
Supply Voltage (V
CC
)
'AC
2.0V to 6.0V
Input Voltage (V
I
)
0V to V
CC
Output Voltage (V
O
)
0V to V
CC
Operating Temperature (T
A
)
54AC
-55C to +125C
Minimum Input Edge Rate (
V/
t)
'AC Devices
V
IN
from 30% to 70% of V
CC
V
CC
@
3.3V, 4.5V, 5.5V
125 mV/ns
Note 1: Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, without
exception, to ensure that the system design is reliable over its power supply,
temperature, and output/input loading variables. National does not recom-
mend operation of FACT
TM
circuits outside databook specifications.
DC Characteristics for 'AC Family Devices
Symbol
Parameter
V
CC
(V)
54AC
Units
Conditions
T
A
=
-55C to +125C
Guaranteed Limits
V
IH
Minimum High Level
Input Voltage
3.0
2.1
V
V
OUT
= 0.1V
or V
CC
- 0.1V
4.5
3.15
5.5
3.85
V
IL
Maximum Low Level
Input Voltage
3.0
0.9
V
V
OUT
= 0.1V
or V
CC
- 0.1V
4.5
1.35
5.5
1.65
V
OH
Minimum High Level
Output Voltage
3.0
2.9
V
I
OUT
= -50 A
4.5
4.4
5.5
5.4
(Note 2)
V
IN
= V
IL
or V
IH
3.0
2.4
V
I
OH
-12 mA
4.5
3.7
-24 mA
5.5
4.7
-24 mA
V
OL
Maximum Low Level
Output Voltage
3.0
0.1
V
I
OUT
= 50 A
4.5
0.1
5.5
0.1
(Note 2)
V
IN
= V
IL
or V
IH
3.0
0.5
V
I
OL
12 mA
4.5
0.5
24 mA
5.5
0.5
24 mA
I
IN
Maximum Input
Leakage Current
5.5
1.0
A
V
I
= V
CC
, GND
I
OLD
(Note 3) Minimum
Dynamic Output
Current
5.5
50
mA
V
OLD
= 1.65V Max
I
OHD
5.5
-50
mA
V
OHD
= 3.85V Min
I
CC
Maximum Quiescent
Supply Current
5.5
40.0
A
V
IN
= V
CC
or GND
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2
DC Characteristics for 'AC Family Devices
(Continued)
Note 2: All outputs loaded; thresholds on input associated with output under test.
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.
Note 4: I
IN
and I
CC
@
3.0V are guaranteed to be less than or equal to the respective limit
@
5.5V V
CC
.
I
CC
for 54AC
@
25C is identical to 74AC
@
25C.
AC Electrical Characteristics
Symbol
Parameter
V
CC
(V)
(Note 5)
54AC
Units
Fig. No.
T
A
= -55C to +125C
C
L
= 50 pF
Min
Max
t
PLH
Propagation Delay
3.3
1.0
9.0
ns
5.0
1.5
7.0
t
PHL
Propagation Delay
3.3
1.0
9.0
ns
5.0
1.5
7.5
Note 5: Voltage Range 3.3 is 3.3V
0.3V
Voltage Range 5.0 is 5.0V
0.5V
Capacitance
Symbol
Parameter
Typ
Units
Conditions
C
IN
Input Capacitance
4.5
pF
V
CC
= OPEN
C
PD
Power Dissipation Capacitance
30.0
pF
V
CC
= 5.0V
3
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Physical Dimensions
inches (millimeters) unless otherwise noted
20 Terminal Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
14 Lead Ceramic Dual-In-Line Package (D)
NS Package Number J14A
5
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