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DM7400
Quad 2-Input NAND Gates
General Description
This device contains four independent gates each of which
performs the logic NAND function.
Ordering Code:
Order Number Package Number Package Description
DM7400M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM7400N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also availab le in Tape and Reel. Specify by appending th e s uffix let t er “X” to the ordering cod e.
DM7400 Quad 2-Input NAND Gates
September 1986
Revised February 2000
Connection Diagram Function Table
Inputs Output
ABY
LLH
LHH
HLH
HHL
H = HIGH Logic Level
L = LOW Logic Level
Y = AB
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Absolute Maximum Ratings(Note 1)
Supply Voltage 7V
DM7400
Input Voltage 5.5V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range −65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the dev ice cannot be guaranteed. T he device sh ould not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommend ed O peratin g Cond itions” t able w ill defin e the c ondit ions
for actual device operation.
Recommended Operating Conditions
Symbol Parameter Min Nom Max Units
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Supply Voltage 4.75 5 5.25 V
HIGH Level Input Voltage 2 V
LOW Level In put Voltage 0.8 V
HIGH Level Output Current −0.4 mA
LOW Level Output Current 16 mA
Free Air Operating Temperature 0 70 °C
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol Parameter Conditions Min
V
I
V
OH
V
OL
I
I
I
IH
I
IL
I
OS
I
CCH
I
CCL
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Not more than one output should be shorted at a time.
Input Clamp Voltage VCC = Min, II = −12 mA −1.5 V
HIGH Level Output VCC = Min, IOH = Max
Voltage VIL = Max
LOW Level Output VCC = Min, IOL = Max
Voltage VIH = Min
Input Current @ Max Input Voltage VCC = Max, VI = 5.5V 1 mA
HIGH Level Input Current VCC = Max, VI = 2.4V 40 µA
LOW Level Input Current VCC = Max, VI = 0.4V −1.6 mA
Short Circuit Output Current VCC = Max (Note 3) −18 −55 mA
Supply Current with Outputs HIGH VCC = Max 4 8 mA
Supply Current with Outputs LOW VCC = Max 12 22 mA
2.4 3.4 V
Typ
(Note 2)
0.2 0.4 V
Max Units
Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol Parameter Conditions Min Max Units
t
PLH
t
PHL
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Propagation Delay Time CL = 15 pF
LOW-to-HIGH Level Output RL = 400Ω
Propagation Delay Time
HIGH-to-LOW Level Output
22 ns
15 ns

Physical Dimensions inches (millimeters) unless otherwise noted
DM7400
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M14A
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
DM7400 Quad 2-Input NAND Gates
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Fairchild does not assume any responsibility for us e of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or syste ms
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected to result in a significan t injury to the
user.
Package Number N14A
2. A critical component in any compon ent of a lif e supp ort
device or system whose failu re to perform can be reasonably expected to ca use the fa i lure of the li fe su pp ort
device or system, or to affect its safety or effectiveness.
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