54AC08.pdf
(
110 KB
)
Pobierz
September 1998
54AC08
Quad 2-Input AND Gate
General Description
The ’AC08 contains four, 2-input AND gates.
Features
n
I
CC
reduced by 50%
n
Outputs source/sink 24 mA
n
Standard Microcircuit Drawing (SMD) 5962-87615
n
For Military 54ACT08 device, see 54ACTQ08
Logic Symbols
IEEE/IEC
DS100260-1
Connection Diagrams
Pin Assignment
for DIP and Flatpak
Pin Assignment
for LCC
DS100260-3
DS100260-2
Pin Names
Description
A
n
,B
n
Inputs
O
n
Outputs
FACT
™
is a trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation
DS100260
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
)
Recommended Operating
Conditions
Supply Voltage (V
CC
)
’AC
2.0V to 6.0V
−0.5V to +7.0V
Input Voltage (V
I
)
0VtoV
CC
DC Input Diode Current (I
IK
)
V
I
=
−0.5V
Output Voltage (V
O
)
0VtoV
CC
−20 mA
Operating Temperature (T
A
)
54AC
V
I
=
V
CC
+ 0.5V
+20 mA
−55˚C to +125˚C
DC Input Voltage (V
I
)
−0.5V to V
CC
+ 0.5V
Minimum Input Edge Rate (
D
V/
D
t)
DC Output Diode Current (I
OK
)
V
O
=
−0.5V
’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
™
circuits outside databook specifications.
−20 mA
V
O
=
V
CC
+ 0.5V
+20 mA
DC Output Voltage (V
O
)
−0.5V 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
)
−65˚C to +150˚C
Junction Temperature (T
J
)
CDIP
175˚C
DC Characteristics for ’AC Family Devices
54AC
Symbol
Parameter
V
CC
T
A
= −55˚C to +125˚C
Units
Conditions
(V)
Guaranteed Limits
V
IH
Minimum High Level
3.0
2.1
V
OUT
= 0.1V
Input Voltage
4.5
3.15
V
or V
CC
− 0.1V
5.5
3.85
V
IL
Maximum Low Level
3.0
0.9
V
OUT
= 0.1V
Input Voltage
4.5
1.35
V
or V
CC
− 0.1V
5.5
1.65
V
OH
Minimum High Level
3.0
2.9
I
OUT
= −50 µA
Output Voltage
4.5
4.4
V
5.5
5.4
(Note 2) V
IN
=
V
IL
or V
IH
3.0
2.4
−12 mA
4.5
3.7
V
I
OH
−24 mA
5.5
4.7
−24 mA
I
OUT
=
50 µA
V
OL
Maximum Low Level
3.0
0.1
Output Voltage
4.5
0.1
V
5.5
0.1
(Note 2) V
IN
=
V
IL
or V
IH
3.0
0.5
12 mA
4.5
0.5
V
I
OL
24 mA
5.5
0.5
24 mA
±
1.0
V
I
=
V
CC
, GND
I
IN
Maximum Input
5.5
µA
Leakage Current
V
OLD
=
1.65V Max
I
OLD
(Note 3) Minimum
Dynamic Output
Current
5.5
50
mA
V
OHD
=
3.85V Min
I
OHD
5.5
−50
mA
I
CC
Maximum Quiescent
5.5
40.0
µA
V
IN
= V
CC
Supply Current
or GND
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.
www.national.com
2
AC Electrical Characteristics
54AC
T
A
=
−55˚C
V
CC
Symbol
Parameter
(V)
to +125˚C
Units
C
L
=
50 pF
(Note 4)
Min
Max
t
PLH
Propagation Delay
3.3
1.0
12.5
ns
5.0
1.0
9.0
t
PHL
Propagation Delay
3.3
1.0
12.5
ns
5.0
1.0
9.0
Note 4:
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
20.0
pF
V
CC
= 5.0V
Capacitance
3
www.national.com
4
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
www.national.com
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