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MC74AC643N PDF预览

MC74AC643N

更新时间: 2024-11-14 05:09:59
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 总线驱动器总线收发器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
6页 178K
描述
OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS

MC74AC643N 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP,
针数:20Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.92
Is Samacsys:N其他特性:WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; INVERTED OUTPUTS PORT A TO B
控制类型:COMMON CONTROL计数方向:BIDIRECTIONAL
系列:ACJESD-30 代码:R-PDIP-T20
JESD-609代码:e0长度:26.415 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS TRANSCEIVER
最大I(ol):0.024 A位数:8
功能数量:1端口数量:2
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3/5 V
Prop。Delay @ Nom-Sup:9.5 ns传播延迟(tpd):7.5 ns
认证状态:Not Qualified座面最大高度:4.57 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

MC74AC643N 数据手册

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OCTAL BIDIRECTIONAL  
TRANSCEIVER WITH  
3-STATE OUTPUTS  
The MC74AC643/74ACT643 octal bus transceiver is designed for asynchronous  
two-way communication between data buses. The device transmits data from bus A  
to bus B when T/R = HIGH, or from bus B to bus A when T/R = LOW. The enable  
input can be used to disable the device so the buses are effectively isolated.  
Bidirectional Data Path  
A and B Outputs Sink 24 mA/Source –24 mA  
• ′ACT643 Has TTL Compatible Inputs  
N SUFFIX  
CASE 738-03  
PLASTIC  
V
OE  
19  
B
B
B
B
B
B
B
B
7
CC  
0
1
2
3
4
5
6
20  
18  
17  
16  
15  
14  
12  
13  
11  
DW SUFFIX  
CASE 751D-04  
PLASTIC  
1
2
3
4
5
6
7
9
8
10  
T/R  
A
A
A
A
A
A
A
A
7
GND  
0
1
2
3
4
5
6
PIN NAMES  
A –A  
0
Side A Inputs or 3-State Outputs  
Output Enable Input  
7
OE  
T/R  
Transmit/Receive Input  
B –B  
Side B Inputs or 3-State Outputs  
0
7
TRUTH TABLE  
Valid  
Direction  
I/PO/P  
Applied  
Inputs  
OE  
T/R  
Output  
H
L
L
L
L
X
H
H
L
X
H
L
H
L
X
X
L
H
H
L
A to B  
A to B  
B to A  
B to A  
L
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
FACT DATA  
5-1  

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