參數資料
型號: MC145181
廠商: Motorola, Inc.
英文描述: Dual 550/60MHz PLL Frequency Synthesizers with DACs and Voltage Multipliers(帶DACs和電壓乘法器的雙550/60MHzPLL頻率合成器)
中文描述: 雙550/60MHz鎖相環(huán)頻率合成器的DAC和電壓倍增器(帶數模轉換器和電壓乘法器的雙550/60MHzPLL頻率合成器)
文件頁數: 62/71頁
文件大?。?/td> 907K
代理商: MC145181
MC145181
62
MOTOROLA RF/IF DEVICE DATA
Don’t Care
Nibble
(Shifted in First)
0
R
REGISTER
1
0
1
Y
Coefficient
Output A
Function
Test/Rst
MSB of R
Counter Divide
Value
V–Mult
Control
Least
Significant Nibble
(Shifted in Last)
8A.
QUICK REFERENCE (continued)
Address Nibble
Y Coefficient
0 0 = only programming values allowed
Output A Function = Controls Output A Mux
0 0 = General–Purpose Output
0 1 = fR
1 0 = fR
1 1 = Phase Detector pulse
V–Mult Control = Voltage Multiplier Control
0 0 0 = Multiplier OFF, 9 MHz
Osce
80 MHz
0 0 1 = Multiplier ON, 9 MHz
Osce
20 MHz
0 1 0 = Multiplier ON, 20 MHz < Osce
40 MHz
0 1 1 = Multiplier ON, 40 MHz < Osce
80 MHz
Test/Rst = Test/Reset
0 = only programming value allowed
LSB of R
Counter
Divide Value
EXAMPLE:
When the Mode pin is tied low, see Table 21 for R
counter programming. When the Mode pin is tied high, to program the
R
counter to divide by 1000 in decimal, first multiply 1000 by 2, which is 2000. Convert 2000 to hexadecimal: $7D0. Then,
add leading 0s to form 2 bytes (4 nibbles); this becomes bits R
15 to R
0. Bits R
23 to R
16 should be appropriate to control
the above functions. Finally, load the R
register.
With a conventional load, address bits A3 to A0 must be included.
NOTE:
Hexadecimal numbers are preceded with a dollar sign. For example: hexadecimal 1234 is shown as $1234.
R
23 R
22R
21R
20
R
19 R
18R
17R
16
R
15
. . .
R
12
R
11
. . .
R
8
R
7
. . .
R
4
R
3
. . .
R
0
A3
A2
A1
A0
x
x
x
x
Conventional Access only
相關PDF資料
PDF描述
MC145193 1.1GHz PLL Frequency Synthesizer(1.1GHz PLL頻率合成器)
MC145202-1 PLL Frequency Synthesizer(2.0GHz PLL頻率合成器)
MC145225 Dual PLL Frequency Synthesizers With DACs and Voltage Multipliers(帶DACs和電壓乘法器的雙PLL頻率合成器)
MC145230 Dual PLL Frequency Synthesizers With DACs and Voltage Multipliers(帶DACs和電壓乘法器的雙PLL頻率合成器)
MC14528BCL Dual Monostable Multivibrator
相關代理商/技術參數
參數描述
MC14518BCP 功能描述:計數器移位寄存器 3-18V Dual BCD Up 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
MC14518BCPG 功能描述:計數器移位寄存器 3-18V Dual BCD Up 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
MC14518BDW 功能描述:計數器移位寄存器 3-18V Dual BCD Up 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
MC14518BDWG 功能描述:計數器移位寄存器 3-18V Dual BCD Up 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
MC14518BDWR2 功能描述:計數器移位寄存器 3-18V Dual BCD Up 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