DataSheetWiki


ICS840002I-01 fiches techniques PDF

Integrated Circuit Systems - CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER

Numéro de référence ICS840002I-01
Description CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
Fabricant Integrated Circuit Systems 
Logo Integrated Circuit Systems 





1 Page

No Preview Available !





ICS840002I-01 fiche technique
Integrated
Circuit
Systems, Inc.
ICS840002I-01
FEMTOCLOCKS™CRYSTAL-TO-
LVCMOS/LVTTL FREQUENCY SYNTHESIZER
GENERAL DESCRIPTION
The ICS840002I-01 is a 2 output LVCMOS/LVTTL
ICS Synthesizer optimized to generate Ethernet
HiPerClockS™ reference clock frequencies and is a member of
the HiPerClocksTM family of high performance
clock solutions from ICS. Using a 25MHz 18pF
parallel resonant crystal, the following frequencies can be
generated based on the 2 frequency select pins (F_SEL1:0):
156.25MHz, 125MHz, and 62.5MHz. The ICS840002I-01 uses
www.DataSheeItC4US.c3ormd generation low phase noise VCO technology and can
achieve 1ps or lower typical random rms phase jitter, easily
meeting Ethernet jitter requirements. The ICS840002I-01 is
packaged in a small 16-pin TSSOP package.
FREQUENCY SELECT FUNCTION TABLE
FEATURES
• Two LVCMOS/LVTTL outputs @ 3.3V,
17Ω typical output impedance
• Selectable crystal oscillator interface
or LVCMOS single-ended input
• Supports the following output frequencies:
156.25MHz, 125MHz and 62.5MHz
• Output frequency range: 56MHz - 175MHz
• VCO range: 560MHz - 700MHz
• Output skew: 12ps (maximum)
• RMS phase jitter at 156.25MHz (1.875MHz - 20MHz):
0.47ps (typical)
Phase noise:
Offset
Noise Power
100Hz ............... -97.4 dBc/Hz
1KHz .............. -120.2 dBc/Hz
10KHz .............. -127.6 dBc/Hz
100KHz .............. -126.1 dBc/Hz
• Power supply modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
• -40°C to 85°C ambient operating temperature
• Lead-Free package RoHS compliant
F_SEL1
0
F_SEL0
0
Inputs
M Divider Value
25
N Divider Value
4
Output Frequency
(25MHz Ref.)
156.25
01
25
5
125
10
25
10
62.5
11
25
5
125
BLOCK DIAGRAM
OE Pullup
F_SEL1:0 Pullup:Pullup
nPLL_SEL Pulldown
nXTAL_SEL Pulldown
XTAL_IN 25MHz
OSC 0
XTAL_OUT
TEST_CLK Pulldown
1
2
Phase
Detector
VCO
F_SEL1:0
1N
0 0 ÷4
0 1 ÷5
0 1 0 ÷10
1 1 ÷5
M = ÷25 (fixed)
PIN ASSIGNMENT
F_SEL0 1 16 F_SEL1
nXTAL_SEL 2 15 GND
TEST_CLK 3 14 GND
OE 4 13 Q0
MR 5 12 Q1
nPLL_SEL 6
1 1 VDDO
VDDA 7
10 XTAL_IN
VDD 8
9 XTAL_OUT
Q0 ICS840002I-01
16-Lead TSSOP
Q1 4.4mm x 5.0mm x 0.92mm
package body
G Package
Top View
MR Pulldown
840002AGI-01
www.icst.com/products/hiperclocks.html
1
REV. A MARCH 3, 2005

PagesPages 12
Télécharger [ ICS840002I-01 ]


Fiche technique recommandé

No Description détaillée Fabricant
ICS840002I-01 CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER IDT
IDT
ICS840002I-01 CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER Integrated Circuit Systems
Integrated Circuit Systems

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche