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參數(shù)資料
| 型號(hào)： | LMX2316TM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum⑩ Low Power Frequency Synthesizer for RF Personal Communications |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO16 |
| 封裝： | 0.173 INCH, PLASTIC, TSSOP-16 |
| 文件頁(yè)數(shù)： | 7/19頁(yè) |
| 文件大?。?/td> | 300K |
| 代理商： | LMX2316TM |
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1.0 Functional Description
The simplified block diagram below shows the 21-bit data register, a 14-bit R Counter, an 18-bit N Counter, and a 18-bit Function
Latch (intermediate latches are not shown). The data stream is shifted (on the rising edge of LE) into the DATA input, MSB first.
The last two bits are the Control Bits. The DATA is transferred into the counters as follows:
Control
C1
0
1
0
1
DATA Location
C2
0
0
1
1
R Counter
N Counter
Function Latch
Initialization
1.1 PROGRAMMABLEREFERENCE DIVIDER
If the Control Bits are [C
, C
] = [0,0], data is transferred from the 21-bit shift register into a latch that sets the 14-bit R Counter.
The 4 bits R15–R18 are for test modes, and should be set to 0 for normal use. The LD precision bit, R19, is described in the
LOCK DETECT OUTPUT CHARACTERISTICS section. Serial data format is shown below.
1.1.1 14-BIT PROGRAMMABLE REFERENCE DIVIDER RATIO (R COUNTER)
Divide
Ratio
3
4
16383
R
14
0
0
1
R
13
0
0
1
R
12
0
0
1
R
11
0
0
1
R
10
0
0
1
R
9
0
0
1
R
8
0
0
1
R
7
0
0
1
R
6
0
0
1
R
5
0
0
1
R
4
0
0
1
R
3
0
1
1
R
2
1
0
1
R
1
1
0
1
Notes:
Divide ratios less than 3 are prohibited.
Divide ratio: 3 to 16383
R1 to R14: These bits select the divide ratio of the programmable reference divider.
DS100127-4
DS100127-5
Note:
R15 to R18 are test modes and should be zero for normal operation.
Data is shifted in MSB first.
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2316TM | 制造商:Texas Instruments 功能描述:1.2GHZ SINGLE PLL 2316 TSSOP16 |
| LMX2316TM/NOPB | 功能描述:IC FREQ SYNTHESIZER 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LMX2316TMX | 制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Single 100MHz to 1200MHz 16-Pin TSSOP T/R |
| LMX2316TMX/NOPB | 功能描述:IC FREQ SYNTH 1.2GHZ 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LMX2320 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Frequency Synthesizer for RF Personal Communications |
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