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參數(shù)資料
| 型號(hào)： | SY87739LHI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 11/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SYNTHESIZER FRACT 3.3V 32TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 系列： | AnyClock® |
| 類型： | 分?jǐn)?shù)合成器 |
| PLL： | 是 |
| 主要目的： | 以太網(wǎng)，光纖通道，SONET/SDH/ATM |
| 輸入： | PECL |
| 輸出： | PECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 729MHz |
| 電源電壓： | 3.15 V ~ 3.45 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-EPAD-TQFP |
| 包裝： | 托盤 |
Micrel, Inc.
SY87739L
June 2011
3
M9999-061511
hbwhelp@micrel.com or (408) 955-1690
Pin Description (Continued)
Pin Number
Pin Name
Pin Function
7
PROGDI
Program Interface Data In (TTL Input): One data bit is sampled on each rising edge of PRGSK, while
PROGCS is active high.
8
PROGSK
Program Interface Serial Clock (TTL Input): One bit of configuration data is read in each clock cycle.
9, 17
VCC
Supply (Power):
+3.15V to +3.45V.
10
GND
Ground.
14
LOCKED
Lock Output (TTL Output): This indicates proper operation of all the blocks in the clock synthesis
chain. Logic high indicates that SY87739L is generating the expected frequency at the CLKOUT
±
output. Logic low indicates that one or more PLL in the clock synthesis chain has yet to achieve
proper lock.
18
VCCO
Output Supply (Power). Set to same voltage as VCC.
21, 22
CLKOUT
±
Reference Clock Output (Differential PECL Output): This is the synthesized clock generated from
REFCLK
±. It can be used to supply a reference clock to a data recovery device, such as Micrel’s
SY87721L.
25, 32
GNDA
Analog Ground.
26, 27
WRVCF
±
Wrapper Filter (Analog I/O): These pins connect to the output from the wrapper synthesizer charge
pump, as well as the input to the corresponding VCO. A filter network, as described below, converts
the charge pump current to a voltage, and adjusts loop bandwidth.
30, 31
FNVCF
±
Fractional-N Filter (Analog I/O): These pins connect to the output from the fractional-N synthesizer
charge pump, as well as the input to the corresponding Voltage Controlled Oscillator (VCO). A filter
network, as described below, converts the charge pump current to a voltage, and adjusts loop
bandwidth.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY87739LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PROTOCOL TRANSPARENT 3.3V 10MHz to 729MHz FRACTIONAL-N SYNTHESIZER |
| SY87739LHY | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Fractional N Synthesizer (10MHz to 729MHz) (Lead Free/I Temp/32 pin TQFP) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY87739LHY TR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Fractional N Synthesizer (10MHz to 729MHz) (Lead Free/I Temp/32 pin TQFP) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY87739LHYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PROTOCOL TRANSPARENT 3.3V 10MHz to 729MHz FRACTIONAL-N SYNTHESIZER |
| SY87813L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 28Mbps to 1.3Gbps AnyRate Clock and Data Recovery |
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