參數(shù)資料
型號: 74F243
廠商: Fairchild Semiconductor Corporation
英文描述: Quad Bus Transceiver with 3-STATE Outputs
中文描述: 四總線收發(fā)器具有三態(tài)輸出
文件頁數(shù): 4/6頁
文件大?。?/td> 133K
代理商: 74F243
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
74F257A Quad 2-Input Multiplexer with TRI-STATE Outputs(帶三態(tài)輸出的四2輸入多路復(fù)用器)
74F257APC Quad 2-Input Multiplexer with TRI-STATE Outputs
74F257ASJ Quad 2-Input Multiplexer with TRI-STATE Outputs
74F257ASC Quad 2-Input Multiplexer with TRI-STATE Outputs
74F257ASC Quad 2-Input Multiplexer with 3-STATE Outputs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74F243 WAF 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述:
74F243DC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Bus Transceiver
74F243DCQB 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs
74F243DCX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs
74F243DMQB 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs