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© 2001 Fairchild Semiconductor Corporation DS006498 www.fairchildsemi.com
August 1986
Revised July 2001
DM7408
Quad
2-Input
AND
Gates
DM7408
Quad 2-Input AND Gates
General Description
This device contains four independent gates each of which
performs the logic AND function.
Ordering Code:
Connection Diagram Function Table
Y = AB
H = HIGH Logic Level
L = LOW Logic Level
Order Number Package Number Package Description
DM7408N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Inputs Output
A B Y
L L L
L H L
H L L
H H H
www.fairchildsemi.com 2
DM7408
Absolute Maximum Ratings(Note 1)
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 tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Not more than one output should be shorted at a time.
Switching Characteristics
at VCC = 5V and TA = 25°C
Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range −65°C to +150°C
Symbol Parameter Min Nom Max Units
VCC Supply Voltage 4.75 5 5.25 V
VIH HIGH Level Input Voltage 2 V
VIL LOW Level Input Voltage 0.8 V
IOH HIGH Level Output Current −0.8 mA
IOL LOW Level Output Current 16 mA
TA Free Air Operating Temperature 0 70 °C
Symbol Parameter Conditions Min
Typ
Max Units
(Note 2)
VI Input Clamp Voltage VCC = Min, II = −12 mA −1.5 V
VOH HIGH Level VCC = Min, IOH = Max
2.4 3.4 V
Output Voltage VIL = Max
VOL LOW Level VCC = Min, IOL = Max
0.2 0.4 V
Output Voltage VIH = Min
II Input Current @ Max Input Voltage VCC = Max, VI = 5.5V 1 mA
IIH HIGH Level Input Current VCC = Max, VI = 2.4V 40 µA
IIL LOW Level Input Current VCC = Max, VI = 0.4V −1.6 mA
IOS Short Circuit Output Current VCC = Max (Note 3) −18 −55 mA
ICCH Supply Current with Outputs HIGH VCC = Max 11 21 mA
ICCL Supply Current with Outputs LOW VCC = Max 20 33 mA
Symbol Parameter Conditions Min Max Units
tPLH Propagation Delay Time CL = 15 pF
27 ns
LOW-to-HIGH Level Output RL = 400Ω
tPHL Propagation Delay Time
19 ns
HIGH-to-LOW Level Output
3 www.fairchildsemi.com
DM7408
Quad
2-Input
AND
Gates
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Package Number N14A
Fairchild does not assume any responsibility for use 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 systems
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 rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com

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7408_Fairchild.pdf

  • 1. © 2001 Fairchild Semiconductor Corporation DS006498 www.fairchildsemi.com August 1986 Revised July 2001 DM7408 Quad 2-Input AND Gates DM7408 Quad 2-Input AND Gates General Description This device contains four independent gates each of which performs the logic AND function. Ordering Code: Connection Diagram Function Table Y = AB H = HIGH Logic Level L = LOW Logic Level Order Number Package Number Package Description DM7408N N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Inputs Output A B Y L L L L H L H L L H H H
  • 2. www.fairchildsemi.com 2 DM7408 Absolute Maximum Ratings(Note 1) 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 tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Note 2: All typicals are at VCC = 5V, TA = 25°C. Note 3: Not more than one output should be shorted at a time. Switching Characteristics at VCC = 5V and TA = 25°C Supply Voltage 7V Input Voltage 5.5V Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range −65°C to +150°C Symbol Parameter Min Nom Max Units VCC Supply Voltage 4.75 5 5.25 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −0.8 mA IOL LOW Level Output Current 16 mA TA Free Air Operating Temperature 0 70 °C Symbol Parameter Conditions Min Typ Max Units (Note 2) VI Input Clamp Voltage VCC = Min, II = −12 mA −1.5 V VOH HIGH Level VCC = Min, IOH = Max 2.4 3.4 V Output Voltage VIL = Max VOL LOW Level VCC = Min, IOL = Max 0.2 0.4 V Output Voltage VIH = Min II Input Current @ Max Input Voltage VCC = Max, VI = 5.5V 1 mA IIH HIGH Level Input Current VCC = Max, VI = 2.4V 40 µA IIL LOW Level Input Current VCC = Max, VI = 0.4V −1.6 mA IOS Short Circuit Output Current VCC = Max (Note 3) −18 −55 mA ICCH Supply Current with Outputs HIGH VCC = Max 11 21 mA ICCL Supply Current with Outputs LOW VCC = Max 20 33 mA Symbol Parameter Conditions Min Max Units tPLH Propagation Delay Time CL = 15 pF 27 ns LOW-to-HIGH Level Output RL = 400Ω tPHL Propagation Delay Time 19 ns HIGH-to-LOW Level Output
  • 3. 3 www.fairchildsemi.com DM7408 Quad 2-Input AND Gates Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Package Number N14A Fairchild does not assume any responsibility for use 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 systems 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 rea- sonably expected to result in a significant injury to the user. 2. A critical component in any component of a life support device or system whose failure to perform can be rea- sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com