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ICS84320AY-01 Datasheet

  • ICS84320AY-01

  • 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHE...

  • 17頁(yè)

  • ICS

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Integrated
Circuit
Systems, Inc.
ICS84320-01
780MH
Z
, C
RYSTAL
-
TO
-3.3V D
IFFERENTIAL
LVPECL F
REQUENCY
S
YNTHESIZER
F
EATURES
鈥?/div>
Dual differential 3.3V LVPECL outputs
鈥?/div>
Selectable crystal oscillator interface
or LVCMOS/LVTTL TEST_CLK
鈥?/div>
Output frequency range: 77.5MHz to 780MHz
鈥?/div>
Crystal input frequency range: 14MHz to 40MHz
鈥?/div>
VCO range: 620MHz to 780MHz
鈥?/div>
Parallel or serial interface for programming counter
and output dividers
鈥?/div>
Duty cycle: 49% - 51% (N > 1)
鈥?/div>
RMS period jitter: 2.0ps (typical)
鈥?/div>
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
鈥?/div>
3.3V supply voltage
鈥?/div>
Lead-Free/Annealed package available
鈥?/div>
0擄C to 70擄C ambient operating temperature
G
ENERAL
D
ESCRIPTION
The ICS84320-01 is a general purpose, dual out-
put Crystal-to-3.3V Differential LVPECL High Fre-
HiPerClockS鈩?/div>
quency Synthesizer and a member of the
HiPerClockS鈩?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.
ICS
B
LOCK
D
IAGRAM
VCO_SEL
XTAL_SEL
TEST_CLK
XTAL1
OSC
XTAL2
0
P
IN
A
SSIGNMENT
VCO_SEL
nP_LOAD
XTAL1
M4
M3
M2
M1
M0
32 31 30 29 28 27 26 25
1
M5
M6
M7
M8
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
TEST
V
CC
FOUT1
nFOUT1
V
CCO
FOUT0
nFOUT0
V
EE
24
23
22
XTAL2
TEST_CLK
XTAL_SEL
V
CCA
S_LOAD
S_DATA
S_CLOCK
MR
PLL
PHASE DETECTOR
MR
梅
N
梅
1
梅
2
梅
4
梅
8
N0
N1
nc
FOUT0
nFOUT0
FOUT1
nFOUT1
ICS84320-01
21
20
19
18
17
VCO
梅
M
0
1
V
EE
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M0:M8
N0:N1
84320AY-01
CONFIGURATION
INTERFACE
LOGIC
TEST
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
REV. A AUGUST 24, 2004
www.icst.com/products/hiperclocks.html
1

ICS84320AY-01相關(guān)型號(hào)PDF文件下載

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