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MC74AC646NC PDF预览

MC74AC646NC

更新时间: 2024-09-30 12:59:23
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 输出元件
页数 文件大小 规格书
9页 247K
描述
Registered Bus Transceiver, AC Series, 1-Func, 8-Bit, True Output, CMOS, PDIP24, PLASTIC, DIP-24

MC74AC646NC 技术参数

生命周期:Obsolete包装说明:DIP,
Reach Compliance Code:unknown风险等级:5.7
其他特性:WITH DIRECTION CONTROL系列:AC
JESD-30 代码:R-PDIP-T24长度:31.815 mm
负载电容(CL):50 pF逻辑集成电路类型:REGISTERED BUS TRANSCEIVER
位数:8功能数量:1
端口数量:2端子数量:24
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
封装形状:RECTANGULAR封装形式:IN-LINE
传播延迟(tpd):11.5 ns认证状态:Not Qualified
座面最大高度:5.21 mm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端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
宽度:15.24 mmBase Number Matches:1

MC74AC646NC 数据手册

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OCTAL  
TRANSCEIVER/REGISTER  
WITH 3-STATE OUTPUTS  
(NON-INVERTING)  
The MC74AC646/74ACT646 consist of registered bus transceiver circuits,  
with outputs, D-type flip-flops and control circuitry providing multiplexed transmission  
of data directly from the input bus or from the internal storage registers. Data on the  
A or B bus will be loaded into the respective registers on the LOW-to-HIGH transition  
of the appropriate clock pin (CAB or CBA). The four fundamental data handling  
functions available are illustrated in the following figures.  
REAL TIME TRANSFER  
A-BUS TO B-BUS  
REAL TIME TRANSFER  
B-BUS TO A-BUS  
N SUFFIX  
CASE 724-03  
PLASTIC  
A-BUS  
A-BUS  
REG  
REG  
REG  
REG  
B-BUS  
B-BUS  
Figure 1  
Figure 2  
DW SUFFIX  
CASE 751E-04  
SOIC PACKAGE  
STORAGE  
FROM BUS TO REGISTER  
TRANSFER  
FROM REGISTER TO BUS  
A-BUS  
A-BUS  
LOGIC SYMBOL  
REG  
REG  
REG  
REG  
A
B
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
7
CAB  
SAB  
DIR  
CBA  
SBA  
B-BUS  
B-BUS  
Figure 3  
Figure 4  
G
B
B
B
B
B
B
B
0
1
2
3
4
5
6
Independent Registers for A and B Buses  
Multiplexed Real-Time and Stored Data Transfers  
Choice of True and Inverting Data Paths  
3-State Outputs  
300 mil Slim Dual In-Line Package  
Outputs Source/Sink 24 mA  
• ′ACT646 Has TTL Compatible Inputs  
FACT DATA  
5-1  

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