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參數(shù)資料
| 型號(hào)： | 74F243FCQB |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Quad Bus Transceiver with TRI-STATE Outputs |
| 中文描述： | 四總線收發(fā)器具有三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 133K |
| 代理商： | 74F243FCQB |
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
A
n
to B
n
, B
n
to A
n
2.5
2.5
4.0
4.0
5.2
5.2
2.0
2.0
6.5
8.5
2.0
2.0
6.2
6.5
ns
t
PZH
t
PZL
Output Enable Time
E
1
to B
n
, E
2
to A
n
2.0
2.0
4.3
5.8
5.7
7.5
2.0
2.0
8.0
10.5
2.0
2.0
6.7
8.5
ns
t
PHZ
t
PLZ
Output Disable Time
E
1
to B
n
, E
2
to A
n
2.0
2.0
4.5
4.5
6.0
6.0
1.5
2.0
7.5
8.5
1.5
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
243
S
C
X
Temperature Range Family
74F
e
Commercial
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
D
e
Ceramic DIP
F
e
Flatpak
L
e
Leadless Chip Carrier (LCC)
S
e
Small Outline SOIC JEDEC
Temperature Range
C
e
Commercial (0
§
C to
a
70
§
C)
M
e
Military (
b
55
§
C to
a
125
§
C)
Physical Dimensions
inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F243FCX | Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243FMQB | Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243FMX | Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243LCX | Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243LMQB | Quad Bus Transceiver with TRI-STATE Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F243FCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243FMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243FMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243LCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243LCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
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