參數(shù)資料
型號: AD9549ABCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 54/76頁
文件大小: 0K
描述: IC CLOCK GEN/SYNCHRONIZR 64LFCSP
產(chǎn)品變化通告: AD9549A Mask Change 22/Oct/2010
標(biāo)準(zhǔn)包裝: 750
類型: 時鐘/頻率發(fā)生器,同步器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,HSTL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 750MHz
電源電壓: 1.71 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
AD9549
Rev. D | Page 58 of 76
Register 0x0115—FTW Estimate (Read Only)
Table 41.
Bit
Bit Name
Description
[7:0]
FTW estimate
This frequency estimate is from the frequency estimator circuit and is informational only. It is useful for
verifying the input reference frequency. See the Frequency Estimator section for a description.
Register 0x0116—FTW Estimate (Read Only) (Continued)
Table 42.
Bit
Bit Name
Description
[15:8]
FTW estimate
This frequency estimate is from the frequency estimator circuit and is informational only. It is useful for
verifying the input reference frequency. See the Frequency Estimator section for a description.
Register 0x0117—FTW Estimate (Read Only) (Continued)
Table 43.
Bit
Bit Name
Description
[23:16]
FTW estimate
This frequency estimate is from the frequency estimator circuit and is informational only. It is useful for
verifying the input reference frequency. See the Frequency Estimator section for a description.
Register 0x0118—FTW Estimate (Read Only) (Continued)
Table 44.
Bit
Bit Name
Description
[31:24]
FTW estimate
This frequency estimate is from the frequency estimator circuit and is informational only. It is useful for
verifying the input reference frequency. See the Frequency Estimator section for a description.
Register 0x0119—FTW Estimate (Read Only) (Continued)
Table 45.
Bit
Bit Name
Description
[39:32]
FTW estimate
This frequency estimate is from the frequency estimator circuit and is informational only. It is useful for
verifying the input reference frequency. See the Frequency Estimator section for a description.
Register 0x011A—FTW Estimate (Read Only) (Continued)
Table 46.
Bit
Bit Name
Description
[47:40]
FTW estimate
This frequency estimate is from the frequency estimator circuit and is informational only. It is useful for
verifying the input reference frequency. See the Frequency Estimator section for a description.
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