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參數(shù)資料
| 型號： | MC74AC4020D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 14-STAGE BINARY RIPPLE COUNTER |
| 中文描述： | AC SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 125K |
| 代理商： | MC74AC4020D |
5-1
FACT DATA
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
15
16
14
13
12
11
10
2
1
3
4
5
6
7
VCC
9
8
Q11
Q10
Q8
Q9
RESET CLK
Q1
Q12
Q13
Q14
Q6
Q5
Q7
Q4
GND
FUNCTION TABLE
Clock
Reset
Output State
L
No Change
L
Advance to next state
X
H
All Outputs are low
14-STAGE
BINARY RIPPLE
COUNTER
N SUFFIX
CASE 648-08
PLASTIC
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC DIAGRAM
CLOCK
10
11
RESET
PIN 16 = VCC
PIN 8 = GND
9
7
5
4
6
13
12
14
15
1
2
3
Q1
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC74AC4020N | 14-STAGE BINARY RIPPLE COUNTER |
| MC74AC4040D | 12-STAGE BINARY RIPPLE COUNTER |
| MC74AC4040 | 12-STAGE BINARY RIPPLE COUNTER |
| MC74AC4040N | 12-STAGE BINARY RIPPLE COUNTER |
| MC74AC620DW | Circular Connector; MIL SPEC:MIL-DTL-38999 Series II; Body Material:Metal; Series:JT; No. of Contacts:100; Connector Shell Size:22; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74AC4020N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74AC4040 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:12-STAGE BINARY RIPPLE COUNTER |
| MC74AC4040D | 功能描述:計數(shù)器移位寄存器 2-6V 12-Stage Binary RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC74AC4040DG | 功能描述:計數(shù)器移位寄存器 2-6V 12-Stage Binary RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC74AC4040DG | 制造商:ON Semiconductor 功能描述:TVS DIODE |
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