參數(shù)資料
型號: AD9558BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 89/104頁
文件大?。?/td> 0K
描述: IC CLOCK TRANSLATOR 64LFCSP
產(chǎn)品變化通告: AD9558 Minor Metal Mask Change 17/Apr/2012
標(biāo)準(zhǔn)包裝: 1
類型: 時鐘/頻率轉(zhuǎn)換器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,HSTL,LVDS
電路數(shù): 1
比率 - 輸入:輸出: 4:6
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.25GHz
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: 托盤
Data Sheet
AD9558
Rev. B | Page 85 of 104
REFERENCE INPUTS (REGISTER 0x0500 TO REGISTER 0x0507)
Table 74. Reference Power-Down1
Address
Bits
Bit Name
Description
0x0600
[7:4]
Reserved
Default: 0x0
3
REFD power-down
Power down REFD input receiver (default: not powered down).
2
REFC power-down
Power down REFC input receiver (default: not powered down).
1
REFB power-down
Power down REFB input receiver (default: not powered down).
0
REFA power-down
Power down REFA input receiver (default: not powered down).
1
When all bits are set the reference receiver section enters a deep sleep mode.
Table 75. Reference Logic Family
Address
Bits
Bit Name
Description
0x0601
[7:6]
REFD logic family
Select logic family for REFD input receiver; only REFD_P is used in CMOS mode
00 (default) = differential
01 = 1.2 V to 1.5 V CMOS
10 = 1.8 V to 2.5 V CMOS
11 = 3.0 V to 3.3 V CMOS
[5:4]
REFC logic family
Same as Register 0x0601[7:6] for REFC
[3:2]
REFB logic family
Same as Register 0x0601[7:6] for REFB
[1:0]
REFA logic family
Same as Register 0x0601[7:6] for REFA
Table 76. Reference Priority Setting
Address
Bits
Bit Name
Description
0x0602
[7:6]
REFD priority family
User-assigned priority level (0 to 3) of the reference associated with REFB, which ranks that
reference relative to the others.
00 (default) = 0.
01 = 1.
10 = 2.
11 = 3.
[5:4]
REFC priority family
Same as Register 0x0602[7:6] for REFC.
[3:2]
REFB priority family
Same as Register 0x0602[7:6] for REFB.
[1:0]
REFA priority family
Same as Register 0x0602[7:6] for REFA.
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