參數(shù)資料
型號(hào): 74F243
廠商: NXP Semiconductors N.V.
英文描述: Quad transceiver (3-State)(四收發(fā)器(三態(tài)))
中文描述: 四收發(fā)器(3態(tài))(四收發(fā)器(三態(tài)))
文件頁數(shù): 3/10頁
文件大?。?/td> 84K
代理商: 74F243
Philips Semiconductors
Product specification
74F242/74F243
Transceivers
1990 Aug 30
3
LOGIC SYMBOLS (IEEE/IEC)
SF00769
3
4
1
EN1
13
EN2
5
6
11
10
9
8
74F242
1
2
SF00771
V
= Pin 14
GND = Pin 7
74F242
11
OE
A
10
A0
9
A1
8
A2
A3
B0
B1
B2
B3
1
3
4
5
6
13
OE
B
SF00770
3
4
1
EN1
13
EN2
5
6
11
10
9
8
74F243
1
2
11
OE
A
10
A0
9
A1
8
A2
A3
B0
B1
B2
B3
1
3
4
5
6
13
OE
B
74F243
SF00772
V
= Pin 14
GND = Pin 7
LOGIC DIAGRAMS
FUNCTION TABLE, 74F242
INPUTS
OUTPUTS
OE
A
OE
B
An
Bn
L
L
INPUT
B=A
H
L
Z
Z
L
H
a
a
H
H
A=B
INPUT
H = High voltage level
L = Low voltage level
Z = High impedance “off” state
a = This condition is not allowed due to excessive currents
FUNCTION TABLE, 74F243
INPUTS
OUTPUTS
OE
A
OE
B
An
Bn
L
L
INPUT
B=A
H
L
Z
Z
L
H
a
a
H
H
A=B
INPUT
相關(guān)PDF資料
PDF描述
74F242 Quad transceiver, inverting (3-State)(四收發(fā)器,反向(三態(tài)))
74F244 Octal buffers 3-State
74F244B Octal buffers 3-State
74F244MSA Octal Buffers/Line Drivers with TRI-STATE Outputs
74F244PC Octal Buffers/Line Drivers with TRI-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:
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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