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PDF 74F241PC Data sheet ( Hoja de datos )
| Número de pieza | 74F241PC | |
| Descripción | Octal Buffers/Line Drivers with TRI-STATE Outputs | |
| Fabricantes | National | |
| Logotipo |  |
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May 1995
54F 74F24054F 74F24154F 74F244
Octal Buffers Line Drivers with TRI-STATE Outputs
General Description
The ’F240 ’F241 and ’F244 are octal buffers and line driv-
ers designed to be employed as memory and address driv-
ers clock drivers and bus-oriented transmitters receivers
which provide improved PC and board density
Features
Y TRI-STATE outputs drive bus lines or buffer memory
address registers
Y Outputs sink 64 mA (48 mA mil)
Y 12 mA source current
Y Input clamp diodes limit high-speed termination effects
Y Guaranteed 4000V minimum ESD protection
Commercial
74F240PC
74F240SC (Note 1)
74F240SJ (Note 1)
74F241PC
74F241SC (Note 1)
74F241SJ (Note 1)
74F244PC
74F244SC (Note 1)
74F244SJ (Note 1)
74F244MSA (Note 1)
Military
54F240DM (Note 2)
54F240FM (Note 2)
54F240LM (Note 2)
54F241DM (Note 2)
54F241FM (Note 2)
54F241LM (Note 2)
54F244DM (Note 2)
54F244FM (Note 2)
54F244LM (Note 2)
Package
Number
N20A
J20A
M20B
M20D
W20A
E20A
N20A
J20A
M20B
M20D
W20A
E20A
N20A
J20A
M20B
M20D
MSA20
W20A
E20A
Package Description
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Ceramic Dual-In-Line
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Ceramic Dual-In-Line
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Ceramic Dual-In-Line
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead Molded Shrink Small Outline EIAJ Type II
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
Note 1 Devices also available in 13 reel Use Suffix e SCX SJX and MSAX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9501
RRD-B30M75 Printed in U S A
1 page  
DC Electrical Characteristics (Continued)
Symbol
ICCH
ICCL
ICCZ
ICCH
ICCL
ICCZ
Parameter
Power Supply Current (’F240)
Power Supply Current (’F240)
Power Supply Current (’F240)
Power Supply Current
(’F241 ’F244)
Power Supply Current
(’F241 ’F244)
Power Supply Current
(’F241 ’F244)
Min
54F 74F
Typ
19
50
42
Max
29
75
63
40 60
60 90
60 90
Units
mA
mA
mA
mA
mA
mA
AC Electrical Characteristics
Symbol
Parameter
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay
Data to Output (’F240)
Output Enable Time (’F240)
Output Disable Time (’F240)
Propagation Delay
Data to Output (’F241 ’F244)
Output Enable Time
(’F241 ’F244)
Output Disable Time
(’F241 ’F244)
74F
TA e a25 C
VCC e a5 0V
CL e 50 pF
Min Typ Max
30 51 70
20 35 47
20 35 47
40 69 90
20 40 53
20 60 80
25 40 52
25 40 52
20 43 57
20 54 70
20 45 60
20 45 60
54F
TA VCC e Mil
CL e 50 pF
Min Max
30 90
20 60
20 65
4 0 10 5
20 65
2 0 12 5
20 65
20 70
20 70
20 85
20 70
20 75
VCC Conditions
Max VO e HIGH
Max VO e LOW
Max VO e HIGH Z
Max VO e HIGH
Max VO e LOW
Max VO e HIGH Z
74F
TA VCC e Com
CL e 50 pF
Min Max
30 80
20 57
20 57
4 0 10 0
20 63
20 95
25 62
25 65
20 67
20 80
20 70
20 70
Units
ns
ns
ns
ns
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows
74F 240 241 244 S C X
Temperature Range Family
74FeCommercia
54FeMilitary
Device Type
Package Code
P e Plastic DIP
D e Ceramic DIP
F e Flatpak
L e Leadless Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
MSA e Shrink Small Outline Package (EIAJ SSOP)
(’244 only)
SJ e Small Outline SOIC EIAJ
Special Variations
QB e Military grade device with
environmental and burn-in
processing
X e devices shipped in 13 reel
Temperature Range
CeCommercial (0 C to a70 C)
MeMilitary (b55 C to a125 C)
NOTE
Not required for MSA package
code
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74F241PC.PDF ] | |
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