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參數資料
| 型號： | MC74HC4020AN |
| 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： | HC/UH SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 194K |
| 代理商： | MC74HC4020AN |
SEMICONDUCTOR TECHNICAL DATA
3–1
REV 1
Motorola, Inc. 1995
10/95
High–Performance Silicon–Gate CMOS
The MC74C4020A is identical in pinout to the standard CMOS
MC14020B. The device inputs are compatible with standard CMOS outputs;
with pullup resistors, they are compatible with LSTTL outputs.
This device 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 of that of the preceding one. 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 HC4020A
for some designs.
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2 to 6 V
Low Input Current: 1
μ
A
High Noise Immunity Characteristic of CMOS Devices
In Compliance With JEDEC Standard No. 7A Requirements
Chip Complexity: 398 FETs or 99.5 Equivalent Gates
LOGIC DIAGRAM
Q1
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
9
7
5
4
6
13
12
14
15
1
2
3
Clock
10
Reset
11
Pin 16 = VCC
Pin 8 = GND
15
16
14
13
12
11
10
2
1
3
4
5
6
7
VCC
9
8
Q11
Q10
Q8
Q9
Reset Clock
Q1
Q12
Q13
Q14
Q6
Q5
Q7
Q4
GND
Pinout: 16–Lead Plastic Package
(Top View)
FUNCTION TABLE
Clock
Reset
Output State
X
L
L
H
No Charge
Advance to Next State
All Outputs Are Low
D SUFFIX
SOIC PACKAGE
CASE 751B–05
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ORDERING INFORMATION
MC74HCXXXXAN
MC74HCXXXXAD
MC74HCXXXXADT
Plastic
SOIC
TSSOP
1
16
1
16
1
16
DT SUFFIX
TSSOP PACKAGE
CASE 948F–01
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| MC74HC4024D | 7-Stage Binary Ripple Counter |
| MC74HC4024N | 7-Stage Binary Ripple Counter |
| MC74HC4049 | Hex Buffers/Logic-Level Down Converters |
| MC74HC4049D | Hex Buffers/Logic-Level Down Converters |
| MC74HC4050 | Hex Buffers/Logic-Level Down Converters |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74HC4020ANG | 功能描述:計數器移位寄存器 2-6V Monolithic WFR Binary RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量: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 |
| MC74HC4024 | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC74HC4024D | 制造商:Freescale Semiconductor 功能描述: |
| MC74HC4024DT | 制造商:ON Semiconductor 功能描述: |
| MC74HC4024F | 制造商:Motorola Inc 功能描述: 制造商:ON Semiconductor 功能描述: 制造商:MOTOROLA 功能描述: |
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