Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

54LS21 Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce 54LS21
Description  Dual 4-Input AND Gates
Download  6 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

54LS21 Fiches technique(HTML) 2 Page - National Semiconductor (TI)

  54LS21 Datasheet HTML 1Page - National Semiconductor (TI) 54LS21 Datasheet HTML 2Page - National Semiconductor (TI) 54LS21 Datasheet HTML 3Page - National Semiconductor (TI) 54LS21 Datasheet HTML 4Page - National Semiconductor (TI) 54LS21 Datasheet HTML 5Page - National Semiconductor (TI) 54LS21 Datasheet HTML 6Page - National Semiconductor (TI)  
Zoom Inzoom in Zoom Outzoom out
 2 / 6 page
background image
Absolute Maximum Ratings (Note)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54LS and 54LS
b
55 Cto a125 C
DM74LS
0 Cto a70 C
Storage Temperature Range
b
65 Cto 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
Parameter
DM54LS21
DM74LS21
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
VIH
High Level Input Voltage
2
2
V
VIL
Low Level Input Voltage
07
08
V
IOH
High Level Output Current
b
04
b
04
mA
IOL
Low Level Output Current
4
8
mA
TA
Free Air Operating Temperature
b
55
125
0
70
C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
DM54
25
34
V
Voltage
VIH e Min
DM74
27
34
VOL
Low Level Output
VCC e Min IOL e Max
DM54
025
04
Voltage
VIL e Max
DM74
035
05
V
IOL e 4 mA VCC e Min
DM74
025
04
II
Input Current
Max
VCC e Max VI e 7V
01
mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 27V
20
m
A
IIL
Low Level Input Current
VCC e Max VI e 04V
b
036
mA
IOS
Short Circuit
VCC e Max
DM54
b
20
b
100
mA
Output Current
(Note 2)
DM74
b
20
b
100
ICCH
Supply Current with
VCC e Max
12
24
mA
Outputs High
ICCL
Supply Current with
VCC e Max
22
44
mA
Outputs Low
Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
RL e 2kX
Symbol
Parameter
CL e 15 pF
CL e 50 pF
Units
Min
Max
Min
Max
tPLH
Propagation Delay Time
413618
ns
Low to High Level Output
tPHL
Propagation Delay Time
311518
ns
High to Low Level Output
Note 1
All typicals are at VCC e 5V TA e 25 C
Note 2
Not more than one output should be shorted at a time and the duration should not exceed one second
2


Numéro de pièce similaire - 54LS21

FabricantNo de pièceFiches techniqueDescription
logo
List of Unclassifed Man...
54LS21 ETC1-54LS21 Datasheet
51Kb / 1P
   DUAL 4-INPUT POSITIVE AND GATE
54LS21DM ETC1-54LS21DM Datasheet
51Kb / 1P
   DUAL 4-INPUT POSITIVE AND GATE
54LS21FM ETC1-54LS21FM Datasheet
51Kb / 1P
   DUAL 4-INPUT POSITIVE AND GATE
More results

Description similaire - 54LS21

FabricantNo de pièceFiches techniqueDescription
logo
Hitachi Semiconductor
HD74HC21 HITACHI-HD74HC21 Datasheet
45Kb / 8P
   Dual 4-input AND Gates
logo
Unisonic Technologies
U74HC21 UTC-U74HC21 Datasheet
172Kb / 5P
   DUAL 4-INPUT AND GATES
U74HCT21 UTC-U74HCT21_15 Datasheet
173Kb / 4P
   DUAL 4-INPUT AND GATES
logo
Renesas Technology Corp
HD74HC21 RENESAS-HD74HC21_15 Datasheet
124Kb / 9P
   Dual 4-input AND Gates
logo
Unisonic Technologies
U74AHC21 UTC-U74AHC21_15 Datasheet
161Kb / 4P
   DUAL 4-INPUT AND GATES
U74HCT21 UTC-U74HCT21 Datasheet
173Kb / 4P
   DUAL 4-INPUT AND GATES
logo
Renesas Technology Corp
HD74HC21 RENESAS-HD74HC21 Datasheet
92Kb / 7P
   Dual 4-input AND Gates
logo
Unisonic Technologies
U74HC21 UTC-U74HC21_15 Datasheet
165Kb / 5P
   DUAL 4-INPUT AND GATES
logo
List of Unclassifed Man...
GD74LS21 ETC1-GD74LS21 Datasheet
96Kb / 2P
   DUAL 4-INPUT POSITIVE AND GATES
logo
Renesas Technology Corp
HD74LS21 RENESAS-HD74LS21 Datasheet
55Kb / 5P
   Dual 4-input Positive AND Gates
More results


Html Pages

1 2 3 4 5 6


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com