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DM74AS30
8 Input NAND Gate
General Description
This device contains a single gate which performs the logic
NAND function.
Features
n Switching specifications at 50 pF
n Switching specifications guaranteed over full
temperature and VCC range
n Advanced oxide-isolated, ion-implanted Schottky TTL
process
n Functionally and pin for pin compatible with Schottky,
low power Schottky, and advanced low power Schottky
TTL counterpart
n Improved AC performance over Schottky, low power
Schottky, and advanced low power Schottky
counterparts
Connection Diagram
Dual-In-Line Package
DS006279-1
Order Number DM74AS30M or DM74AS30N
See Package Number M14A or N14A
Function Table
Y = ABCDEFGH
Inputs
Output
A thru H
Y
All inputs H
L
One or More
H
Inputs L
H = High Logic Level
L = Low Logic Level
© 1998 Fairchild Semiconductor Corporation
DS006279
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DM74AS30 8 Input NAND Gate
February 1998
Absolute Maximum Ratings (Note 1)
Supply Voltage
Input Voltage
Operating Free Air
Temperature Range
Storage Temperature Range
Typical θJA
N Package
M Package
7V
7V
−65˚C to +150˚C
84.0˚C/W
114.0˚C/W
0˚C to +70˚C
Recommended Operating Conditions
Symbol
Parameter
Min
Nom
Max
Units
4.5
5
5.5
V
VCC
Supply Voltage
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
0.8
V
IOH
High Level Output Current
−2
mA
IOL
Low Level Output Current
20
mA
TA
Free Air Operating Temperature
70
˚C
2
V
0
Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the “Electrical Characteristics” table are not guaranteed at the absolute maximum ratings. The
“Recommended Operating Conditions” table will define the conditions for actual device operation.
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25˚C.
Symbol
Parameter
VIK
Input Clamp Voltage
VOH
High Level Output
Voltage
VOL
Low Level Output
Conditions
VCC = 4.5V, II = −18 mA
IOH = −2 mA
Min
Typ
Max
−1.2
VCC − 2
Units
V
V
VCC = 4.5V to 5.5V
VCC = 4.5V, IOL = 20 mA
0.35
0.5
V
VCC = 5.5V, VIH = 7V
0.1
mA
Voltage
II
Input Current at Max
Input Voltage
IIH
High Level Input
Current
VCC = 5.5V, VIH = 2.7V
20
µA
IIL
Low Level Input
Current
VCC = 5.5V, VIL = 0.4V
−0.5
mA
IO
Output Drive Current
mA
Supply Current
VCC = 5.5V, VO = 2.25V
VCC = 5.5V
Outputs High
−112
ICC
−30
Outputs Low
1
1.5
mA
3.4
4.9
mA
Switching Characteristics
over recommended operating free air temperature range (Note 2)
Symbol
tPLH
tPHL
Parameter
Min
Max
Units
1
5
ns
Low to High Level Output
VCC = 4.5V to 5.5V
RL = 500Ω
Propagation Delay Time
CL = 50 pF
1
4.5
ns
Propagation Delay Time
Conditions
High to Low Level Output
Note 2: See Section 1 for test waveforms and output load.
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2
Physical Dimensions
inches (millimeters) unless otherwise noted
S.O. Package (M)
Order Number DM74AS30M
Package Number M14A
Molded Dual-In-Line Package (N)
Order Number DM74AS30N
Package Number N14A
3
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DM74AS30 8 Input NAND Gate
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2. A critical component in any component of a life support
1. Life support devices or systems are devices or sysdevice or system whose failure to perform can be reatems which, (a) are intended for surgical implant into
sonably expected to cause the failure of the life support
the body, or (b) support or sustain life, and (c) whose
device or system, or to affect its safety or effectiveness.
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury
to the user.
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