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DM7401 Datasheet

Quad 2-Input NAND Gates with Open-Collector Outputs

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June 1989
DM5401 DM7401 Quad 2-Input NAND Gates
with Open-Collector Outputs
General Description
This device contains four independent gates each of which
performs the logic NAND function The open-collector out-
puts require external pull-up resistors for proper logical op-
eration
Pull-Up Resistor Equations
RMAX
e
VCC (Min) b VOH
N1 (IOH) a N2 (IIH)
RMIN
e
VCC (Max) b VOL
IOL b N3 (IIL)
Where N1 (IOH) e total maximum output high current for all
outputs tied to pull-up resistor
N2 (IIH) e total maximum input high current for all
inputs tied to pull-up resistor
N3 (IIL) e total maximum input low current for all
inputs tied to pull-up resistor
Connection Diagram
Dual-In-Line Package
Order Number DM5401J DM5401W or DM7401N
See NS Package Number J14A N14A or W14B
Function Table
Y e AB
Inputs
Output
AB
LL
LH
HL
HH
Y
H
H
H
L
H e High Logic Level
L e Low Logic Level
C1995 National Semiconductor Corporation TL F 6614
TL F 6614 – 1
RRD-B30M105 Printed in U S A


National Semiconductor Electronic Components Datasheet

DM7401 Datasheet

Quad 2-Input NAND Gates with Open-Collector Outputs

No Preview Available !

Absolute Maximum Ratings (Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
7V
Input Voltage
5 5V
Output Voltage
7V
Operating Free Air Temperature Range
DM54
b55 C to a125 C
DM74
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed 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
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
VOH
IOL
TA
Parameter
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Voltage
Low Level Output Current
Free Air Operating Temperature
Min
45
2
b55
DM5401
Nom
5
Max
55
08
55
16
125
Min
4 75
2
0
DM7401
Nom
5
Max
5 25
08
55
16
70
Units
V
V
V
V
mA
C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Typ
Min Max Units
(Note 1)
VI
ICEX
VOL
II
Input Clamp Voltage
High Level Output
Current
Low Level Output
Voltage
Input Current Max
Input Voltage
VCC e Min II e b12 mA
VCC e Min VO e 5 5V
VIL e Max
VCC e Min IOL e Max
VIH e Min
VCC e Max VI e 5 5V
b1 5
250
V
mA
02 04 V
1 mA
IIH
IIL
ICCH
High Level Input Current
Low Level Input Current
Supply Current with
Outputs High
VCC e Max VI e 2 4V
VCC e Max VI e 0 4V
VCC e Max
40
b1 6
mA
mA
4 8 mA
ICCL
Supply Current with
Outputs Low
VCC e Max
12 22 mA
Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
Symbol
Parameter
Conditions
Min Max Units
tPLH
tPHL
Propagation Delay Time
Low to High Level Output
Propagation Delay Time
High to Low Level Output
CL e 15 pF
RL e 4 kX (tPLH)
RL e 400X (tPHL)
45 ns
15 ns
Note 1 All typicals are at VCC e 5V TA e 25 C
2


Part Number DM7401
Description Quad 2-Input NAND Gates with Open-Collector Outputs
Maker National Semiconductor
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DM7401 Datasheet PDF






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