參數(shù)資料
型號(hào): XRK697H73CR
廠商: EXAR CORP
元件分類: XO, clock
英文描述: 1:12 LVCMOS PLL CLOCK GENERATOR
中文描述: 240 MHz, OTHER CLOCK GENERATOR, PQFP52
封裝: 10 X 10 MM, 1.40 MM HEIGHT, LQFP-52
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 97K
代理商: XRK697H73CR
XRK697H73
PRELIMINARY
8
1:12 LVCMOS PLL CLOCK GENERATOR
REV. P1.0.0
3.0
QSYNC TIMING
XRK697H73 INDIVIDUAL OUTPUT DISABLE (STOP CLOCK) CIRCUITRY
The user can write to the serial input register through the STOP_DATA input by supplying a logic ’0’ start bit
followed serially by 12 NRZ disable/enable bits. The period of each STOP_DATA bit equals the period of the
free-running STOP_CLK signal. The STOP_DATA serial transmission should be timed so the XRK697H73 can
sample each STOP_DATA bit with the rising edge of the free-running STOP_CLK signal. A logic "0" to any stop
bit location will disable the corresponding device output while a logic "1" will enable. All outputs are by default,
enabled.
F
IGURE
4. QSYNC T
IMING
D
IAGRAM
F
IGURE
5. S
TOP
C
LOCK
C
IRCUIT
P
ROGRAMMING
f
VCO
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
QA
QC
QSYNC
1:1 Mode
2:1 Mode
QA
QC
QSYNC
QA(/4)
QSYNC
3:1 Mode
3:2 Mode
QC(/6)
QC(/2)
QSYNC
QA(/6)
2
8
2
9
3
0
3
1
QA(/6)
QSYNC
QC(/8)
QC(/2)
QSYNC
QA(/8)
4:1 Mode
4:3 Mode
QA(/12)
QSYNC
QC(/2)
6:1 Mode
START
QA0
QA1
QA2
QA3
QB0
QB1
QB2
QB3
QC1
QC2
QC3
QSYNC
STOP_CLK
STOP_DATA
相關(guān)PDF資料
PDF描述
XRK697H73IR 1:12 LVCMOS PLL CLOCK GENERATOR
XRK7933 INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
XRK7955 INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
XRK7988 INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
XRK79892 INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRK697H73IR 制造商:EXAR 制造商全稱:EXAR 功能描述:1:12 LVCMOS PLL CLOCK GENERATOR
XRK7933 制造商:EXAR 制造商全稱:EXAR 功能描述:INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
XRK7955 制造商:EXAR 制造商全稱:EXAR 功能描述:INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
XRK7988 制造商:EXAR 制造商全稱:EXAR 功能描述:INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER
XRK79892 制造商:EXAR 制造商全稱:EXAR 功能描述:INTELLIGENT DYNAMIC CLOCK SWITCH PLL CLOCK DRIVER