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參數資料
| 型號： | MC54HC4040A |
| 廠商： | Motorola, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 12-Stage Binary Ripple Counter |
| 中文描述： | 12位的二進制紋波計數器 |
| 文件頁數： | 6/8頁 |
| 文件大小： | 215K |
| 代理商： | MC54HC4040A |
MC54/74HC4040A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
6
Clock
Reset
Q1
1
2
4
8
16
32
64
128
256
512
1024
2048
4096
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q10
Q11
Figure 6. Timing Diagram
Q9
Q12
APPLICATIONS INFORMATION
Time–Base Generator
A 60Hz sinewave obtained through a 1.0 Megohm resistor
connected directly to a standard 120 Vac power line is
applied to the input of the MC54/74HC14A, Schmitt-trigger
inverter. The HC14A squares–up the input waveform and
feeds the HC4040A. Selecting outputs Q5, Q10, Q11, and
Q12 causes a reset every 3600 clocks. The HC20 decodes
the counter outputs, produces a single (narrow) output pulse,
and resets the binary counter. The resulting output frequency
is 1.0 pulse/minute.
HC4040A
Figure 7. Time–Base Generator
Clock
Q5
Q10
Q11
Q12
VCC
13
12
10
9
1
2
4
5
8
1/2
HC20
1/2
HC20
6
1/6 of HC14A
≥
20pF
1.0M
1.0 Pulse/Minute
Output
VCC
120Vac
60Hz
相關PDF資料 |
PDF描述 |
|---|---|
| MC74HC4040ADTR2 | 12-Stage Binary Ripple Counter |
| MC74HC4040 | 12-Stage Binary Ripple Counter |
| MC74HC4040AD | Dual Operational Amplifier; Package: SOIC; No of Pins: 8; Container: Rail |
| MC74HC4040ADR2 | Dual Operational Amplifier; Package: SOIC; No of Pins: 8; Container: Tape & Reel |
| MC74HC4040ADT | 12-Stage Binary Ripple Counter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC54HC4040AJ | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:12-Stage Binary Ripple Counter |
| MC54HC4049 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Hex Buffers/Logic-Level Down Converters |
| MC54HC4049J | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Hex Buffers/Logic-Level Down Converters |
| MC54HC4050 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Hex Buffers/Logic-Level Down Converters |
| MC54HC4051 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:ANALOG MULTIPLEXERS DEMULTIPLEXERS |
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