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參數(shù)資料
| 型號： | MC14532BFR1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Priority Encoder |
| 中文描述： | 4000/14000/40000 SERIES, 8-BIT ENCODER, PDSO16 |
| 封裝： | EIAJ, SO-16 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 227K |
| 代理商： | MC14532BFR1 |
MOTOROLA CMOS LOGIC DATA
MC14532B
6
Figure 4. Two MC14532B’s Cascaded for 4–Bit Output
D15 D14 D13 D12
D11 D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
Q1
Q0
Q2
Q1
Q0
Q2
Q1
Q0
Q2
Q3
GS
3/4 MC14071B
VDD
Ein
Eout
Ein
Eout
Eout = “1”
WITH Din = “0”
Figure 5. Digital to Analog and Analog to Digital Converter
DIGITAL TO ANALOG CONVERSION
The digital eight–bit word to be converted is applied to
the inputs of the MC14512 with the most significant bit at
X7 and the least significant bit at X0. A clock input of up to
2.5 MHz (at VDD = 10 V) is applied to the MC14520B.
A compromise between Ibias for the MC1710 and
R
between N and P–channel outputs gives a value of R of
33 k ohms. In order to filter out the switching frequencies,
RC should be about 1.0 ms (if R = 33 k ohms,
C
0.03
μ
F). The analog 3.0 dB bandwidth would then be
dc to 1.0 kHz.
ANALOG TO DIGITAL CONVERSION
An analog signal is applied to the analog input of the
MC1710. A digital eight–bit word known to represent a digi-
tized level less than the analog input is applied to the
MC14512 as in the D to A conversion. The word is increm-
ented at rates sufficient to allow steady state to be reached
between incrementations (i.e. 3.0 ms). The output of the
MC1710 will change when the digital input represents the
first digitized level above the analog input. This word is the
digital representation of the analog word.
ANALOG
OUTPUT
CLOCK
INPUT
ANALOG
INPUT
VDD
X7 X6 X5 X4 X3 X2 X1 X0
MC14512
Z
A
B
C
MC1710
R
C
VDD
VSS
Ein
D0 D1 D2 D3 D4 D5 D6 D7
Q2
Q0
Q1
STOP
WORD
INCREMENTATION
Q2
Q4
Q3
Q1
Q2
Q4
Q3
Q1
C
E
R
C
E
R
1/2 MC14520B
1/2 MC14520B
DIGITAL INPUT/OUTPUT
8–BIT WORD
TO BE CONVERTED
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC14536BBEBS | 制造商:Motorola Inc 功能描述: |
| MC14536BCP | 功能描述:計(jì)時器和支持產(chǎn)品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14536BCPG | 功能描述:計(jì)時器和支持產(chǎn)品 3-18V 24 Flip-Flop RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14536BDW | 功能描述:計(jì)時器和支持產(chǎn)品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14536BDWG | 功能描述:計(jì)時器和支持產(chǎn)品 LOG CMOS OSILATR TIMER RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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