參數(shù)資料
型號(hào): ICS84320-01
英文描述: 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
中文描述: 支持780MHZ,水晶到3.3V的差分LVPECL頻率合成器
文件頁數(shù): 1/17頁
文件大?。?/td> 230K
代理商: ICS84320-01
84320AY-01
www.icst.com/products/hiperclocks.html
REV. A AUGUST 24, 2004
1
Integrated
Circuit
Systems, Inc.
ICS84320-01
780MH
Z
, C
RYSTAL
-
TO
-3.3V D
IFFERENTIAL
LVPECL F
REQUENCY
S
YNTHESIZER
G
ENERAL
D
ESCRIPTION
The ICS84320-01 is a general purpose, dual out-
put Crystal-to-3.3V Differential LVPECL High Fre-
quency Synthesizer and a member of the
HiPerClockS family of High Performance Clock
Solutions from ICS. The ICS84320-01 has a se-
lectable TEST_CLK or crystal inputs. The VCO operates at a
frequency range of 620MHz to 780MHz. The VCO frequency
is programmed in steps equal to the value of the input refer-
ence or crystal frequency. The VCO and output frequency
can be programmed using the serial or parallel interfaces to
the configuration logic. The low phase noise characteristics
of the ICS84320-01 make it an ideal clock source for 10 Gigabit
Ethernet, SONET, and Serial Attached SCSI applications.
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
F
EATURES
Dual differential 3.3V LVPECL outputs
Selectable crystal oscillator interface
or LVCMOS/LVTTL TEST_CLK
Output frequency range: 77.5MHz to 780MHz
Crystal input frequency range: 14MHz to 40MHz
VCO range: 620MHz to 780MHz
Parallel or serial interface for programming counter
and output dividers
Duty cycle: 49% - 51% (N > 1)
RMS period jitter: 2.0ps (typical)
RMS phase jitter at 155.52MHz, using a 38.88MHz crystal
(12KHz to 20MHz): 2.5ps (typical)
Phase noise: 155.52MHz (typical), using a 38.88MHz crystal
Offset
Noise Power
100Hz ..................-90.5 dBc/Hz
1KHz ................-114.2 dBc/Hz
10KHz ................-123.6 dBc/Hz
100KHz ................-128.1 dBc/Hz
3.3V supply voltage
Lead-Free
/Annealed
package available
0°C to 70°C ambient operating temperature
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
XTAL2
TEST_CLK
XTAL_SEL
V
CCA
S_LOAD
S_DATA
S_CLOCK
MR
M5
M6
M7
M8
N0
N1
nc
V
EE
V
E
n
F
V
C
n
F
V
C
T
X
n
V
M
M
M
M
M
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
ICS84320-01
HiPerClockS
ICS
OSC
VCO_SEL
XTAL_SEL
TEST_CLK
XTAL1
XTAL2
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M0:M8
N0:N1
VCO
PLL
FOUT0
nFOUT0
FOUT1
nFOUT1
TEST
CONFIGURATION
INTERFACE
LOGIC
÷
M
0
1
0
1
PHASE DETECTOR
÷
1
÷
2
÷
4
÷
8
MR
÷
N
相關(guān)PDF資料
PDF描述
ICS84320AY-01 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AY-01LN 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AY-01LNT 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AY-01T 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS843204AGI FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
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