参数资料
型号: ICS844101AGI-312LF
元件分类: 时钟产生/分配
英文描述: 312.5 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: 4.40 X 5 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-16
文件页数: 1/13页
文件大小: 170K
代理商: ICS844101AGI-312LF
844101AGI-312
www.icst.com/products/hiperclocks.html
REV. A NOVEMBER 28, 2005
1
Integrated
Circuit
Systems, Inc.
ICS844101I-312
FEMTOCLOCKS CRYSTAL-TO-LVDS
312.5MHZ FREQUENCY MARGINING SYNTHESIZER
PRELIMINARY
GENERAL DESCRIPTION
The ICS844101I-312 is a low phase-noise
frequency margining synthesizer and is a mem-
ber of the HiPerClock S family of high perfor-
mance clock solutions from ICS. In the default
mode, the device nominally generates a
312.5MHz LVDS output clock signal from a 25MHz crystal
input. There is also a frequency margining mode available
where the device can be programmed, using the serial in-
terface, to vary the output frequency up or down from nomi-
nal in 2% steps. The ICS844101I-312 is provided in a 16-
pin TSSOP.
FEATURES
One 312.5MHz nominal LVDS output
Selectable crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal or LVCMOS single-ended
input
Output frequency can be varied in 2% steps ± from nominal
VCO range: 560MHz - 690MHz
RMS phase jitter @ 312.5MHz, using a 25MHz crystal
(1.875MHz-20MHz): 0.52ps (typical)
Output supply modes
Core/Output
3.3V/3.3V
3.3V/2.5V
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS-complaint
packages
HiPerClockS
ICS
PIN ASSIGNMENT
GND
S_LOAD
S_DATA
S_CLOCK
SEL
OE
VDDA
VDD
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
MODE
VDDO
Q
nQ
GND
CLK
XTAL_OUT
XTAL_IN
ICS844101I-312
16-Lead TSSOP
4.4mm x 5.0mm x 0.92mm
package body
G Package
Top View
BLOCK DIAGRAM
1
0
Phase
Detector
VCO
560 - 690MHz
÷ M
OSC
÷ N
÷ P
Serial Control
Q
nQ
Pullup
Pulldown
OE
CLK
SEL
S_CLOCK
S_DATA
S_LOAD
MODE
XTAL_IN
XTAL_OUT
Pulldown
25MHz
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on
initial product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications
without notice.
相关PDF资料
PDF描述
ICS844101AGI-312 312.5 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS844101AGI-312 312.5 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS844101AGI-312LFT 312.5 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS844101AGI-312T 312.5 MHz, OTHER CLOCK GENERATOR, PDSO16
ICS844204BK-245T OTHER CLOCK GENERATOR, QCC32
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