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DM74ALS37A Quadruple 2-Input NAND Buffer
May 2007
DM74ALS37A
Quadruple 2-Input NAND Buffer
Features
■
Switching specifications at 50pF
■
Switching specifications guaranteed over full
■
■
■
■
tm
General Description
This device contains four independent gates, each of
which performs the logic NAND function.
temperature and V
CC
range
Advanced oxide-isolated, ion-implanted Schottky TTL
process
Functionally and pin for pin compatible with LS TTL
counterpart
Improved AC performance over LS37
Improved line receiving characteristics
Ordering Information
Order
Number
DM74ALS37AM
Package
Number
M14A
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering number.
Connection Diagram
Function Table
Y
=
AB
Inputs
A
L
L
H
H
H
=
HIGH Logic Level
L
=
LOW Logic Level
Output
B
L
H
L
H
Y
H
H
H
L
©1986 Fairchild Semiconductor Corporation
DM74ALS37A Rev. 1.2
www.fairchildsemi.com
DM74ALS37A Quadruple 2-Input NAND Buffer
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
V
CC
V
I
T
A
T
STG
θ
JA
Supply Voltage
Input Voltage
Parameter
Rating
7V
7V
0°C to +70°C
–65°C to +150°C
114.0°C/W
Operating Free Air Temperature Range
Storage Temperature Range
Typical Thermal Resistance
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Min.
4.5
2
Nom.
5
Max.
5.5
0.8
–2.6
24
Units
V
V
V
mA
mA
°C
0
70
Electrical Characteristics
Over recommended operating free air temperature range. All typical values are measured at V
CC
=
5V, T
A
=
25°C.
Symbol
V
IK
V
OH
V
OL
I
I
I
IH
I
IL
I
O
I
CCH
I
CCL
Parameter
Input Clamp Voltage
HIGH Level Output
Voltage
LOW Level Output Voltage
Input Current @ Maximum Input
Voltage
HIGH Level Input Current
LOW Level Input Current
Output Drive Current
Supply Current with Outputs HIGH
Supply Current with Outputs LOW
Conditions
V
CC
=
4.5V, I
I
=
–18mA
V
CC
=
4.5V,
V
IL
=
Max
V
CC
=
4.5V,
V
IH
=
2V
I
OH
=
–2.6mA
I
OH
=
–40µA
I
OL
=
12mA
I
OL
=
24mA
Min.
2.4
V
CC
– 2
Typ.
3.3
0.25
0.35
Max.
–1.5
Units
V
V
0.4
0.5
0.1
20
–0.1
V
mA
µA
mA
mA
mA
mA
V
CC
=
5.5V, V
IH
=
7V
V
CC
=
5.5V, V
IH
=
2.7V
V
CC
=
5.5V, V
IL
=
0.4V
V
CC
=
5.5V, V
O
=
2.25V
V
CC
=
5.5V, V
I
=
0V
V
CC
=
5.5V, V
I
=
4.5V
–30
0.86
4.0
–112
1.6
7.8
©1986 Fairchild Semiconductor Corporation
DM74ALS37A Rev. 1.2
www.fairchildsemi.com
2
DM74ALS37A Quadruple 2-Input NAND Buffer
Switching Characteristics
Over recommended operating free air temperature range.
Symbol
t
PLH
t
PHL
Parameter
Propagation Delay Time, LOW-to-HIGH
Level Output
Propagation Delay Time, HIGH-to-LOW
Level Output
Conditions
V
CC
=
4.5V to 5.5V,
R
L
=
500
Ω
,
C
L
=
50pF
Min.
2
2
Max.
8
7
Units
ns
ns
©1986 Fairchild Semiconductor Corporation
DM74ALS37A Rev. 1.2
www.fairchildsemi.com
3
DM74ALS37A Quadruple 2-Input NAND Buffer
Physical Dimensions
Dimensions are in millimeters unless otherwise noted.
Figure 1. 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
Package Number M14A
©1986 Fairchild Semiconductor Corporation
DM74ALS37A Rev. 1.2
www.fairchildsemi.com
4
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