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參數(shù)資料
| 型號： | LMX2350TM/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO24 |
| 封裝： | PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 9/21頁 |
| 文件大小： | 405K |
| 代理商： | LMX2350TM/NOPB |
Programming Description (Continued)
4.4.1 Programmable CMOS Output Truth Table
BIT
LOCATION
FUNCTION
0
1
OUT_0
IF_N[17]
OUT0 CMOS output pin level
set
LOW
HIGH
OUT_1
IF_N[18]
OUT1 CMOS output pin level
set
LOW
HIGH
FastLock
IF_N[20]
FastLock mode select
CMOS output
FastLock mode
When the FastLock bit is set to one, OUT_0 and OUT_1 are don’t care bits. FastLock mode utilizes the OUT0 and OUT1 output
pins to synchronously switch between active low and TRI-STATE. The OUT0 = LOW state occurs whenever the RF loop’s CP_8X
is selected HIGH while the FastLock bit is set HIGH (see programming description 3.2.2). The OUT0 pin reverts to TRI-STATE
when the CP_8X bit is LOW. Similarly for the IF loop, the synchronous activation of OUT1= LOW or TRI-STATE, is dependent on
whether the CP_GAIN_8 is high or low respectively (see programming description 3.1.4).
4.5 SERIAL DATA INPUT TIMING
Note: Data shifted into register on clock rising edge. Data is shifted in MSB first.
TEST CONDITIONS: The Serial Data Input Timing is tested using a symmetrical waveform around Vcc/2. The test waveform has an edge rate of 0.6 V/nsec
with amplitudes of 2.2V @ Vcc=2.7 V and 2.6V @ Vcc = 5.5 V.
DS100831-3
LMX2350/LMX2352
www.national.com
17
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2350TMX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer |
| LMX2350TMX/NOPB | 功能描述:IC FREQ SYNTH LOPWR DUAL 24TSSOP 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(biāo)準(zhǔn)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:* |
| LMX2352 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LMX2352SLBX | 功能描述:IC FREQ SYNTH DUAL 24LAMINATECSP RoHS:否 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(biāo)準(zhǔn)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:* |
| LMX2352TM | 制造商:Texas Instruments 功能描述:IC, DUAL FREQ SYNTHESIZER 1.2GHZ 24-TSSOP, PLL Type:Frequency Synthesis, Frequen |
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