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參數(shù)資料
| 型號(hào)： | ISPPAC-CLK5320S-01TN64I |
| 廠商： | Lattice Semiconductor Corporation |
| 文件頁數(shù)： | 9/56頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BUFFER FANOUT 20OUTPUT 64TQFP |
| 標(biāo)準(zhǔn)包裝： | 160 |
| 系列： | ispClock™ |
| 類型： | 時(shí)鐘發(fā)生器，扇出配送，零延遲緩沖器 |
| PLL： | 帶旁路 |
| 輸入： | HSTL，LVCMOS，LVDS，LVPECL，LVTTL，SSTL |
| 輸出： | eHSTL，HSTL，LVCMOS，LVTTL，SSTL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:20 |
| 差分 - 輸入:輸出： | 是/無 |
| 頻率 - 最大： | 267MHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應(yīng)商設(shè)備封裝： | 64-TQFP（10x10） |
| 包裝： | 托盤 |
| 其它名稱： | 220-1003 |
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Lattice Semiconductor
ispClock5300S Family Data Sheet
17
Detailed Description
PLL Subsystem
The ispClock5300S provides an integral phase-locked-loop (PLL) which may be used to generate output clock sig-
nals at lower, higher, or the same frequency as a user-supplied input reference signal. The core functions of the
PLL are an edge-sensitive phase detector, a programmable loop lter, and a high-speed voltage-controlled oscilla-
tor (VCO). Additionally, a set of programmable feedback dividers (V[0, 1, 2]) is provided to support the synthesis of
different output frequencies.
Phase/Frequency Detector
The ispClock5300S provides an edge-sensitive phase/frequency detector (PFD), which means that the device will
function properly over a wide range of input clock reference duty cycles. It is only necessary that the input refer-
ence clock meet specied minimum HIGH and LOW times (tCLOCKHI, tCLOCKLO) for it to be properly recognized by
the PFD. The PFD’s output is of a classical charge-pump type, outputting charge packets which are then integrated
by the PLL‘s loop lter.
A lock-detection feature is also associated with the PFD. When the ispClock5300S is in a LOCKED state, the
LOCK output pin goes HIGH. The number of cycles required before asserting the LOCK signal in frequency-lock
mode can be set from 16 through 256.
When the lock condition is lost the LOCK signal will be de-asserted (Logic ‘0’) immediately.
Loop Filter: The loop lter parameters for each prole are automatically selected by the PAC-Designer software
depending on the following:
Maximum VCO operating frequency
Spread Spectrum Support: The reference clock inputs of the ispClock5300S device are spread spectrum clock
tolerant. The tolerance limits are:
Center spread ±0.125% to ±2%
Down spread -0.25% to 0.5%
30-33kHz modulation frequency
The ispClock5300S PLL has two modes of operation:
Spread Spectrum setting turned on - Spread Spectrum modulation is transferred from input to output with
minimal attenuation.
Spread Spectrum setting turned off - Spread Spectrum modulation transfer from input to output is attenu-
ated. The extent of attenuation depends on the VCO operating frequency and the feedback divider value.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISPPACCLK5320S-01TN64I | 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:In-System Programmable, Zero-Delay, Universal Fan-Out Buffer, Single-Ended |
| ispPAC-CLK5406D-01SN48C | 功能描述:鎖相環(huán) - PLL 3.3V 6 diff. outputs RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| ispPAC-CLK5406D-01SN48I | 功能描述:鎖相環(huán) - PLL 3.3V 6 diff. outputs RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| ispPAC-CLK5410D-01SN64C | 功能描述:鎖相環(huán) - PLL 3.3V 10 diff. outputs RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| ispPAC-CLK5410D-01SN64I | 功能描述:鎖相環(huán) - PLL 3.3V 10 diff. outputs RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
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