參數(shù)資料
型號: ICS84329BYT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 700 MHz, OTHER CLOCK GENERATOR, PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBC-HD, LQFP-32
文件頁數(shù): 16/21頁
文件大?。?/td> 2417K
代理商: ICS84329BYT
ICS84329B700MHZ, LOW JITTER, CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
IDT / ICS LVPECL FREQUENCY SYNTHESIZER
4
ICS84329BV REV. B DECEMBER 20, 2007
Function Tables
Table 3A. Parallel and Serial Mode Function Table
NOTE:
L = LOW
H = HIGH
X = Don’t care
↑ = Rising edge transition
↓ = Falling edge transition
Table 3B. Programmable VCO Frequency Function Table
NOTE 1: These M divide values and the resulting frequencies correspond to a crystal frequency of 16MHz.
Table 3C. Programmable Output DividerFunction Table
Inputs
Conditions
nP_LOAD
M
N
S_LOAD
S_CLOCK
S_DATA
X
Reset. M and N bits are all set HIGH.
LData
Data
X
Data on M and N inputs passed directly to the M divider and
N output divider. TEST mode 000.
Data
L
X
Data is latched into input registers and remains loaded until
next LOW transition or until a serial event occurs.
HX
X
L
Data
Serial input mode. Shift register is loaded with data on S_DATA
on each rising edge of S_CLOCK.
HX
X
LData
Contents of the shift register are passed to the M divider and
N output divider.
HX
X
L
Data
M divider and N output divider values are latched.
H
X
L
X
Parallel or serial input do not affect shift registers.
VCO Frequency
(MHz)
M Divide
256
128
64
32
16
8421
M8
M7
M6
M5
M4
M3
M2
M1
M0
250
011111010
251
011111011
252
011111100
253
011111101
509
111111101
510
111111110
511
111111111
Inputs
N Divider Value
Output Frequency (MHz)
N1
N0
Minimum
Maximum
001
250
700
012
125
350
104
62.5
175
1
8
31.25
87.5
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