參數(shù)資料
型號: 11274-001-XTP
廠商: ON SEMICONDUCTOR
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 28 MHz, PDSO16
封裝: 0.150 INCH, SOIC-16
文件頁數(shù): 10/43頁
文件大小: 1343K
代理商: 11274-001-XTP
FS6131-01/FS6131-01g Programmable Line Lock Clock Generator IC
Data Sheet
Table 5: LOCK/IPRG Pin Configuration Bits
Name
Description
Crystal Loop Lock STATus Mode /
Main Loop Phase Align STATus mode
(see also Table 6)
Bit 63 = 0
Bit 62 = 0
Crystal Loop Lock status:
Locked or Unlocked
Bit 63 = 0
Bit 62 = 1
Crystal Loop Lock status:
Out of Range High or Low
Bit 63 = 1
Bit 62 = 0
Main Loop Phase Align status
STAT[1:0]
(Bits 63-62)
Bit 63 = 1
Bit 62 = 1
Feedback Divider output
Table 6: Lock Status
CMOS
STAT [1]
STAT [0]
LOCK /
IPRG PIN
STAT[1]
Read
Status
1
Locked
1
0
Unlocked
0
Out-of-Range: Low
1
0
1
Out-of-Range: High
Table 7: Main Loop Tuning Bits
Name
Description
VCO SPeeD range select (see Table 16)
Bit = 0
High Speed Range
VCOSPD
(Bit 44)
Bit = 1
Low Speed Range
Main Loop Charge Pump current
Bit 41 = 0
Bit 40 = 0
Current = 1.5
A
Bit 41 = 0
Bit 40 = 1
Current = 5
A
Bit 41 = 1
Bit 40 = 0
Current = 8
A
MLCP[1:0]
(Bits 41-40)
Bit 41 = 1
Bit 40 = 1
Current = 24
A
Loop Filter Time Constant (internal)
Bit = 0
Short Time Constant: 13.5
s
LFTC
(Bit 43)
Bit = 1
Long Time Constant: 135
s
18
AMI Semiconductor – Rev. 3.0, Jan. 08
www.amis.com
Specifications subject to change without notice
相關(guān)PDF資料
PDF描述
11274-502-XTD PLL FREQUENCY SYNTHESIZER, 28 MHz, PDSO16
11274-001-XTD PLL FREQUENCY SYNTHESIZER, 28 MHz, PDSO16
11274-502-XTP PLL FREQUENCY SYNTHESIZER, 28 MHz, PDSO16
11274-001-XTD PLL FREQUENCY SYNTHESIZER, 28 MHz, PDSO16
11274-001-XTP PLL FREQUENCY SYNTHESIZER, 28 MHz, PDSO16
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