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參數(shù)資料
| 型號： | MC74AC4040DR |
| 廠商： | MOTOROLA INC |
| 元件分類： | 計數(shù)器 |
| 英文描述： | AC SERIES, ASYN NEGATIVE EDGE TRIGGERED 12-BIT UP BINARY COUNTER, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 120K |
| 代理商： | MC74AC4040DR |
5-1
FACT DATA
12Stage Binary Ripple Counter
The MC74AC4040 consists of 12 master-slave flip-flops. 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 MC74AC4040 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
Q6
Q5
Q7
Q4
Q3
Q2
GND
FUNCTION TABLE
Clock
Reset
Output State
L
No Change
L
Advance to next state
X
H
All Outputs are low
MC74AC4040
12-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
6
5
3
2
4
13
12
14
15
1
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
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|---|---|
| MC74AC4040DR2 | 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 |
| MC74AC4040DR2G | 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 |
| MC74AC4040M | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:12−Stage Binary Ripple Counter |
| MC74AC4040MEL | 功能描述:計數(shù)器 IC 2-6V 12-Stage Binary RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| MC74AC4040MELG | 功能描述:計數(shù)器 IC 2-6V 12-Stage Binary RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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