參數(shù)資料
型號： LMX2354SLB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： XO, clock
英文描述： PLLatinum Fractional N RF/ Integer N IF Dual Low Power Frequency Synthesizer
中文描述： PLL FREQUENCY SYNTHESIZER, 2500 MHz, QCC24
封裝： PLASTIC, CSP-24
文件頁數(shù)： 18/23頁
文件大小： 403K
代理商： LMX2354SLB
Programming Description
(Continued)
5.2.2 N REGISTER—(8/9/12/13) PRESCALER OPERATING IN FRACTIONAL MODE
(RF_N[6]–RF_N[20])
RF_N_CNTR [14:0]
Divide
Ratio
1–23
24–39
40
41
...
16383
C Word
B Word
A Word
Divide Ratios Less than 24 are impossible since it is required that C
>
=3
Some of these N values are Legal Divide Ratios, some are not
0
0
0
0
0
0
0
0
0
0
.
.
.
.
.
1
1
1
1
1
0
0
.
1
0
0
.
1
0
0
.
1
1
1
.
1
0
0
.
1
1
1
.
1
0
0
0
0
0
0
.
1
0
0
.
1
0
1
.
1
N REGISTER—(16/17/20/21) PRESCALER OPERATING IN FRACTIONAL MODE
(RF_N[6]–RF_N[20])
RF_N_CNTR [14:0]
Divide
Ratio
1–47
48–79
80
81
...
32767
C Word
B Word
A Word
Divide Ratios Less than 48 are impossible since it is required that C
>
=3
Some of these N values are Legal Divide Ratios, some are not
0
0
0
0
0
0
0
0
0
0
.
.
.
.
.
1
1
1
1
1
0
0
.
1
0
0
.
1
0
0
.
1
1
1
.
1
0
0
.
1
1
1
.
1
0
0
0
1
0
0
.
1
0
0
.
1
0
1
.
1
5.2.3 FRACTIONAL MODULUS ACCUMULATOR (FRAC_CNTR)
(RF_N[2]–RF_N[5])
Fractional Ratio (F)
Modulus 15
0
1/15
2/15
14/15
N/A
FRAC_CNTR
Modulus 16
0
1/16
2/16
14/16
15/16
RF_N[5]
0
0
0
1
1
RF_N[4]
0
0
0
1
1
RF_N[3]
0
0
1
1
1
RF_N[2]
0
1
0
0
1
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2354SLBX 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LMX2354SLBX/NOPB 功能描述:IC FREQ SYNTH DUAL 24-LAMCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 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/無 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:*
LMX2354SLDX 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
LMX2354SLEX 制造商:Texas Instruments 功能描述:
LMX2354TM 制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Dual 10MHz to 2500MHz 24-Pin TSSOP Rail 制造商:Texas Instruments 功能描述:2.5GHZ/550MHZ PLL 2354 TSSOP24 制造商:Texas Instruments 功能描述:IC, DUAL FREQ SYNTHESIZER 2.5GHZ 24-TSSOP, PLL Type:Frequency Synthesis, Frequen
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