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MC74AC4020N PDF预览

MC74AC4020N

更新时间: 2024-11-18 22:46:23
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 计数器
页数 文件大小 规格书
5页 129K
描述
14-STAGE BINARY RIPPLE COUNTER

MC74AC4020N 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.91
其他特性:OUTPUTS FROM 12 STAGES AVAILABLE计数方向:UP
系列:ACJESD-30 代码:R-PDIP-T16
JESD-609代码:e0长度:19.175 mm
负载电容(CL):50 pF负载/预设输入:NO
逻辑集成电路类型:BINARY COUNTER最大频率@ Nom-Sup:100000000 Hz
最大I(ol):0.024 A工作模式:ASYNCHRONOUS
位数:14功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.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
传播延迟(tpd):16 ns认证状态:Not Qualified
座面最大高度:4.44 mm子类别:Counters
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触发器类型:NEGATIVE EDGE
宽度:7.62 mm最小 fmax:120 MHz
Base Number Matches:1

MC74AC4020N 数据手册

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14-STAGE  
BINARY RIPPLE  
COUNTER  
The MC74AC4020 consists of 14 master-slave flip-flops with 12 stages  
brought out to pins. The output of each flip-flop feeds the next and the frequency  
at each output is half that of the preceding one. The state of the counter  
advances on the negative-going edge of the Clock input. Reset is asynchronous  
and active-high.  
State changes of the Q outputs do not occur simultaneously because of internal  
ripple delays. Therefore, decoded output signals are subject to decoding spikes  
and may have to be gated with the Clock of the MC74AC4020 for some designs.  
140 MHz Typ. Clock  
Outputs Source/Sink 24 mA  
Operating Voltage Range: 2.0 to 6.0 V  
High Noise Immunity  
N SUFFIX  
CASE 648-08  
PLASTIC  
V
Q11  
15  
Q10  
14  
Q8  
13  
Q9 RESET CLK  
Q1  
9
CC  
16  
12  
11  
10  
D SUFFIX  
CASE 751B-05  
PLASTIC  
1
2
3
4
5
6
7
8
Q12  
Q13  
Q14  
Q6  
Q5  
Q7  
Q4  
GND  
LOGIC DIAGRAM  
FUNCTION TABLE  
Clock  
Reset  
Output State  
9
7
5
4
6
Q1  
Q4  
L
L
No Change  
Advance to next state  
All Outputs are low  
Q5  
Q6  
X
H
10  
Q7  
CLOCK  
13  
12  
14  
15  
1
Q8  
Q9  
Q10  
Q11  
Q12  
Q13  
Q14  
2
3
11  
RESET  
PIN 16 = V  
CC  
PIN 8 = GND  
FACT DATA  
5-1  

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