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): 2/6頁
文件大?。?/td> 133K
代理商: 74F243
Unit Loading/Fan Out
54F/74F
Pin Names
Description
U.L.
Input I
IH
/I
IL
Output I
OH
/I
OL
HIGH/LOW
E
1
E
2
A
n
, B
n
Enable Input (Active LOW)
Enable Input (Active HIGH)
Inputs
Outputs
1.0/1.67
1.0/1.67
3.5/2.67
600/106.6(80)
b
12 mA/64 mA(48 mA)
20
m
A/
b
1 mA
20
m
A/
b
1 mA
70
m
A/
b
1.6 mA
Truth Table
Inputs
Inputs/Outputs
E
1
E
2
A
n
B
n
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
Z
e
High Impedance
N/A
e
Not Allowed
L
L
H
H
L
H
L
H
Input
N/A
Z
A
e
B
B
e
A
N/A
Z
Input
2
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:
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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