参数资料
型号: ICS84314AYLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 350 MHz, OTHER CLOCK GENERATOR, PQFP32
封装: 7 X 7 MM, 1.40 MM HEIGHT, LEAD FREE, MS-026BBA, LQFP-32
文件页数: 1/19页
文件大小: 432K
代理商: ICS84314AYLF
84314AY
www.icst.com/products/hiperclocks.html
REV. C JANUARY 27, 2005
1
Integrated
Circuit
Systems, Inc.
ICS84314
350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL
FREQUENCY SYNTHESIZER W/FANOUT BUFFER
GENERAL DESCRIPTION
The ICS84314 is a general purpose quad output
frequency synthesizer and a member of the
HiPerClockS family of High Performance Clock
Solutions from ICS. When the device uses par-
allel loading, the M bits are programmable and
the output divider is hard-wired for divide by 2 thus providing
a frequency range of 125MHz to 350MHz. In serial program-
ming mode, the M bits are programmable and the output di-
vider can be set for either divide by 2 or divide by 4, providing
a frequency range of 62.5MHz to 350MHz. The low cycle-
cycle jitter and broad frequency range of the ICS84314 make
it an ideal clock generator for a variety of demanding applica-
tions which require high performance.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
Fully integrated PLL
4 differential 3.3V or 2.5V LVPECL outputs
Selectable crystal oscillator interface
or LVCMOS TEST_CLK input
Output frequency range: 62.5MHz to 350MHz
VCO range: 250MHz to 700MHz
Parallel interface for programming counter
and output dividers during power-up
Serial 3 wire interface
Cycle-to-cycle jitter: 23ps (typical)
Output skew: 16ps (typical)
Output duty cycle: 49% < odc < 51%, fout ≤ 125MHz
Full 3.3V or mixed 3.3V core, 2.5V operating supply
0°C to 85°C ambient operating temperature
Lead-Free package available
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
TEST_CLK
XTAL_SEL
VCCA
S_LOAD
S_DATA
S_CLOCK
MR
VCCO
M4
M5
M6
M7
M8
VEE
VCC
VCCO
nQ3
Q3
nQ2
Q2
nQ1
Q1
nQ0
Q0
X
T
AL1
X
T
AL2
nP_LOAD
VCO_SEL
M0
M1
M2
M3
OSC
VCO
PLL
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
÷2
÷4
CONFIGURATION
INTERFACE
LOGIC
÷ M
0
1
0
1
÷ 16
PHASE DETECTOR
ICS84314
HiPerClockS
ICS
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
VCO_SEL
XTAL_SEL
TEST_CLK
XTAL1
XTAL2
MR
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M0:M8
÷2
DATA SHEET
ICS84314
IDT / ICS 350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER
ICS84314
1
350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY
SYNTHESIZER W/FANOUT BUFFER
相关PDF资料
PDF描述
ICS84314AY 350 MHz, OTHER CLOCK GENERATOR, PQFP32
ICS84314AYLFT 350 MHz, OTHER CLOCK GENERATOR, PQFP32
ICS8431AM-21LF 350 MHz, OTHER CLOCK GENERATOR, PDSO28
ICS8431AMI-21LF 350 MHz, OTHER CLOCK GENERATOR, PDSO28
ICS8431CM-01LF 200 MHz, OTHER CLOCK GENERATOR, PDSO28
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