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参数资料
| 型号： | PNP-950-L22 |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 250 MHz, QCC22 |
| 文件页数： | 7/11页 |
| 文件大小： | 189K |
| 代理商： | PNP-950-L22 |
Attribute Definitions
PNP-950-L22
FIGURE 4: FUNCTION SELECT (DB28 - DB31). After the data in FREQUENCY/CHANNEL (DB0 - DB23)
is multiplied by 10
n where the value of n is determined by the contents of MULTIPLIER (Figure 3), it is then
routed internally to the START, STOP, STEP, REF or CHANNEL registers based on the contents of FUNC-
TION SELECT as shown below.
DB31
DB30
DB29
DB28
FUNCTION SELECT
FS3
FS2
FS1
FS0
0
CHANNEL. Routes data from DB0-DB23 to the CHANNEL REGISTER.
0
1
START. Routes data from DB0-DB23 to the START REGISTER.
0
1
0
STOP. Routes data from DB0-DB23 to the STOP REGISTER.
0
1
STEP. Routes data from DB0-DB23 to the STEP REGISTER.
0
1
0
REFERENCE. Routes data from DB0-DB23 to the REFERENCE REGISTER
All FUNCTION SELECT values not shown above are reserved for factory use.
DBn
DB3
DB2
DB1
DB0
FREQUENCY/CHANNEL
FCn
FC3
FC2
FC1
FC0
0
1
0
1
0
2
0
1
3
0
1
15
DB23
FC23
0
FIGURE 2: FREQUENCY/CHANNEL (DB0 - DB23) This is a 24 bit string used to set the synthesizer’s
START Frequency, STOP Frequency, STEP Frequency, REF Frequency or CHANNEL number.
FIGURE 3: MULTIPLIER (DB24 - DB27) The data in FREQUENCY/CHANNEL (DB0-DB23) is multiplied
by 10
n where the value of n is determined by the contents of MULTIPLIER (DB24-DB27) as shown below.
DB27 DB26 DB25 DB24
MULTIPLIER
M3
M2
M1
M0
0
10
0 X contents of DB0-DB23
0
1
10
1 X contents of DB0-DB23
0
1
0
10
2 X contents of DB0-DB23
0
1
10
3 X contents of DB0-DB23
n
10
n X contents of DB0-DB23
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| PN-Q208/LFXP2 | 功能描述:插座和适配器 Socket Adapter RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| PN-Q208/LFXP3C | 功能描述:插座和适配器 208PQFP Socket Adapt for LFXP3C RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| PN-Q48/CLK5406D | 功能描述:插座和适配器 48 Pin QFNS Socket Adapter for ispPAC-CLK5406D, Lead-Free RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| PNQ48CLK5406D | 功能描述:EEPLD - 电子擦除可编程逻辑设备 Socket Adapter for ispPAC-CLK5406D RoHS:否 制造商:Atmel 逻辑系列:ATF16V8BQL 最大工作频率:62 MHz 可编程输入/输出端数量:20 电源电流:20 mA 延迟时间:15 ns 每个宏指令的积项数:8 电源电压-最大:5.5 V 电源电压-最小:4.5 V 大电池数量:8 最小工作温度:- 40 C 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP-20 |
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