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參數(shù)資料
| 型號： | 74F244 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Octal Buffers/Line Drivers with TRI-STATE Outputs(帶三態(tài)輸出的八路緩沖器/線驅(qū)動器) |
| 中文描述： | 八路緩沖器/線路驅(qū)動器，三態(tài)輸出（帶三態(tài)輸出的八路緩沖器/線驅(qū)動器） |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 189K |
| 代理商： | 74F244 |
DC Electrical Characteristics
(Continued)
Symbol
Parameter
54F/74F
Units
V
CC
Conditions
Min
Typ
Max
I
CCH
Power Supply Current (’F240)
19
29
mA
Max
V
O
e
HIGH
V
O
e
LOW
V
O
e
HIGH Z
V
O
e
HIGH
I
CCL
Power Supply Current (’F240)
50
75
mA
Max
I
CCZ
Power Supply Current (’F240)
42
63
mA
Max
I
CCH
Power Supply Current
(’F241, ’F244)
40
60
mA
Max
I
CCL
Power Supply Current
(’F241, ’F244)
60
90
mA
Max
V
O
e
LOW
I
CCZ
Power Supply Current
(’F241, ’F244)
60
90
mA
Max
V
O
e
HIGH Z
AC Electrical Characteristics
74F
54F
74F
T
A
e a
25
§
C
V
CC
e a
5.0V
C
L
e
50 pF
T
A
, V
CC
e
Mil
C
L
e
50 pF
T
A
, V
CC
e
Com
C
L
e
50 pF
Symbol
Parameter
Units
Min
Typ
Max
Min
Max
Min
Max
t
PLH
t
PHL
Propagation Delay
Data to Output (’F240)
3.0
2.0
5.1
3.5
7.0
4.7
3.0
2.0
9.0
6.0
3.0
2.0
8.0
5.7
ns
t
PZH
t
PZL
Output Enable Time (’F240)
2.0
4.0
3.5
6.9
4.7
9.0
2.0
4.0
6.5
10.5
2.0
4.0
5.7
10.0
ns
t
PHZ
t
PLZ
Output Disable Time (’F240)
2.0
2.0
4.0
6.0
5.3
8.0
2.0
2.0
6.5
12.5
2.0
2.0
6.3
9.5
t
PLH
t
PHL
Propagation Delay
Data to Output (’F241, ’F244)
2.5
2.5
4.0
4.0
5.2
5.2
2.0
2.0
6.5
7.0
2.5
2.5
6.2
6.5
ns
t
PZH
t
PZL
Output Enable Time
(’F241, ’F244)
2.0
2.0
4.3
5.4
5.7
7.0
2.0
2.0
7.0
8.5
2.0
2.0
6.7
8.0
ns
t
PHZ
t
PLZ
Output Disable Time
(’F241, ’F244)
2.0
2.0
4.5
4.5
6.0
6.0
2.0
2.0
7.0
7.5
2.0
2.0
7.0
7.0
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
74F
e
Commercia
54F
e
Military
Special Variations
QB
e
Military grade device with
environmental and burn-in
processing
X
e
devices shipped in 13
×
reel
Device Type
Package Code
Temperature Range
C
e
Commercial (0
§
C to
a
70
§
C)
M
e
Military (
b
55
§
C to
a
125
§
C)
NOTE:
Not required for MSA 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
5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F241PC | Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 74F241SC | Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 74F241SJ | Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 74F241PC | Octal Buffers/Line Drivers with 3-STATE Outputs |
| 74F241SC | KBU4B 50V/4A DIODE BRIDGE RECTIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F244B | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal buffers 3-State |
| 74F244D | 制造商:NXP Semiconductors 功能描述:OCTAL BUFFER 3-STATE |
| 74F244D FSC88 | 制造商:Fairchild Semiconductor 功能描述:74F244D |
| 74F244D SIG9118 | 制造商:SIG 功能描述:74F244D SIG S1I2B |
| 74F244D TI91/92 | 制造商:TI 功能描述:74F244D TI S1I2B |
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