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Part: 54LS02N
Category:
Logic
-> Gates
-> NOR Gates
Description: Quad 2-input NOR GATEs
Company: National Semiconductor Corporation
Datasheet: Download 54LS02N datasheet File size : 218 kB
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Datasheet text preview:
54LS02 DM54LS02 DM74LS02 Quad 2-Input NOR Gates
June 1989
54LS02 DM54LS02 DM74LS02 Quad 2-Input NOR Gates
General Description
This device contains four independent gates each of which performs the logic NOR function
Y
eatures
Alternate Military Aerospace device (54LS02) is availD F able Contact a National Semiconductor Sales Office istributor for specifications
Connection Diagram
Dual-In-Line Package
TL F 6441 1
Order Number 54LS02DMQB 54LS02FMQB 54LS02LMQB DM54LS02J DM54LS02W DM74LS02M or DM74LS02N See NS Package Number E20A J14A M14A N14A or W14B
Function Table
YeAaB Inputs A L L H H B L H L H Output Y H L L L
H e High Logic Level L e Low Logic Level
C1995 National Semiconductor Corporation
TL F 6441
RRD-B30M105 Printed in U S A
Absolute Maximum Ratings (Note) p If Military Aerospace specified devices are required lease contact the National Semiconductor Sales S Office Distributors for availability and specifications
upply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range R b 55 C to a 125 C DM54LS and 54LS DM74LS 0 C to a 70 C Storage Temperature Range
b 65
Note 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 T he ``Recommended Operating Conditions'' table will define the conditions for actual device operation
C to a 150 C
ecommended Operating Conditions
Symbol VCC VIH VIL IOH IOL TA Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current Low Level Output Current Free Air Operating Temperature
b 55
DM54LS02 Nom 5 Max 55 Min 4 75 2 07
b0 4
DM74LS02 Nom 5 Max 5 25
Units V V 08
b0 4
45 2
V mA mA
4 125 0
8 70
C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol VI VOH VOL Parameter Input Clamp Voltage High Level Output Voltage Low Level Output Voltage Conditions VCC e Min II e b18 mA VCC e Min IOH e Max VIL e Max VCC e Min IOL e Max VIH e Min IOL e 4 mA VCC e Min II IIH IIL IOS ICCH ICCL Input Current Input Voltage
Max
Min
Typ (Note 1)
Max
b1 5
Units V V
DM54 DM74 DM54 DM74 DM74
25 27
34 34 0 25 0 35 0 25 04 05 04 01 20
b 0 40
V
VCC e Max VI e 7V VCC e Max VI e 2 7V VCC e Max VI e 0 4V VCC e Max (Note 2) VCC e Max VCC e Max DM54 DM74
b 20 b 20
mA mA mA mA
High Level Input Current Low Level Input Current Short Circuit Output Current Supply Current with Outputs High Supply Current with Outputs Low
b 100 b 100
16 28
32 54
mA mA
Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
RL e 2 kX Symbol Parameter Min tPLH tPHL Propagation Delay Time Low to High Level Output Propagation Delay Time High to Low Level Output CL e 15 pF Max 13 10 CL e 50 pF Min Max 18 15 ns ns Units
Note 1 All typicals are at VCC e 5V TA e 25 C ote 2 Not more than one output should be shorted at a time and the duration should not exceed one second 2
Physical Dimensions inches (millimeters)
Ceramic Leadless Chip Carrier Package (E) Order Number 54LS02LMQB NS Package Number E20A
3
Physical Dimensions inches (millimeters) (Continued)
14-Lead Ceramic Dual-In-Line Package (J) Order Number 54LS02DMQB or DM54LS02J NS Package Number J14A
14-Lead Small Outline Molded Package (M) Order Number DM74LS02M NS Package Number M14A
4
Physical Dimensions inches (millimeters) (Continued)
14-Lead Molded Dual-In-Line Package (N) Order Number DM74LS02N NS Package Number N14A
5
Others parts begin by 54
54-1 54-2 54-3 54-4 54-5 54-6 54-7 54-8 54-9 54-10 54-11 54-12 54-13
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