840024AGILFT

840024AGILFT Datasheet

ICS840024I

Part	Datasheet
840024AGILFT	840024AGILFT (pdf)

Related Parts	Information
840024AGILF	840024AGILF

PDF Datasheet Preview
ICS840024I FEMTOCLOCKS CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER The ICS840024I is a 4 output LVCMOS/LVTTL Synthesizer optimized to generate Ethernet HiPerClockS reference clock frequency and is a member of the HiPerClocksTM family of high performance clock solutions from ICS. The ICS840024I uses IDT’s 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical random rms phase jitter, easily meeting Ethernet jitter requirements. The ICS840024I is packaged in a small 20-pin TSSOP package. • Four LVCMOS/LVTTL outputs, typical output impedance • Selectable crystal oscillator interface or LVCMOS single-ended input • Supports the following output frequency 125MHz • RMS phase jitter 1.875MHz - 20MHz 0.60ps typical • Output supply modes Core/Output 3.3V/3.3V 3.3V/2.5V 2.5V/2.5V • -40°C to 85°C ambient operating temperature • Available in both standard RoHS 5 and lead-free RoHS 6 packages BLOCK DIAGRAM OE Pullup nPLL_SEL Pulldown nXTAL_SEL Pulldown XTAL_IN 25MHz OSC 0 XTAL_OUT TEST_CLK Pulldown Phase Detector M = ÷25 fixed Pulldown MR PIN ASSIGNMENT nc 1 20 nc nc 2 19 GND nXTAL_SEL 3 18 Q0 TEST_CLK 4 17 Q1 1 6 VDDO MR 6 15 Q2 nPLL_SEL 7 14 Q3 VDDA 8 13 GND nc 9 12 XTAL_IN VDD 10 11 XTAL_OUT Q1 ICS840024I TABLE ORDERING INFORMATION Part/Order Number Marking Package Shipping Packaging Temperature ICS840024AGI 20 Lead TSSOP tube -40°C to 85°C ICS840024AGIT 20 Lead TSSOP 2500 tape & reel -40°C to 85°C ICS840024AGILF ICS840024AIL 20 Lead "Lead-Free" TSSOP tube -40°C to 85°C ICS840024AGILFT ICS840024AIL 20 Lead "Lead-Free" TSSOP 2500 tape & reel -40°C to 85°C NOTE Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology, Incorporated IDT assumes no responsibility for either its use or for infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial and industrial applications. Any other applications such as those requiring high reliability or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. 840024AGI ICS840024I FEMTOCLOCKS CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER Page 17 Description of Change Ordering Information Table - added lead-free marking. Date 12/21/07 840024AGI

PDF Datasheet Preview

ICS840024I

FEMTOCLOCKS CRYSTAL-TO-

LVCMOS/LVTTL FREQUENCY SYNTHESIZER

The ICS840024I is a 4 output LVCMOS/LVTTL

Synthesizer optimized to generate Ethernet

HiPerClockS reference clock frequency and is a member of the

HiPerClocksTM family of high performance clock
solutions from ICS. The ICS840024I uses IDT’s
3rd generation low phase noise VCO technology and can
achieve 1ps or lower typical random rms phase jitter, easily
meeting Ethernet jitter requirements. The ICS840024I is
packaged in a small 20-pin TSSOP package.
• Four LVCMOS/LVTTL outputs, typical output impedance
• Selectable crystal oscillator interface or LVCMOS single-ended input
• Supports the following output frequency 125MHz
• RMS phase jitter 1.875MHz - 20MHz 0.60ps typical
• Output supply modes Core/Output 3.3V/3.3V 3.3V/2.5V 2.5V/2.5V
• -40°C to 85°C ambient operating temperature
• Available in both standard RoHS 5 and lead-free RoHS 6 packages

BLOCK DIAGRAM

OE Pullup nPLL_SEL Pulldown nXTAL_SEL Pulldown

XTAL_IN 25MHz

OSC 0

XTAL_OUT

TEST_CLK Pulldown

Phase Detector

M = ÷25 fixed

Pulldown MR

PIN ASSIGNMENT
nc 1 20 nc
nc 2 19 GND
nXTAL_SEL 3 18 Q0

TEST_CLK 4 17 Q1
1 6 VDDO

MR 6 15 Q2
nPLL_SEL 7 14 Q3

VDDA 8
13 GND
nc 9 12 XTAL_IN

VDD 10 11 XTAL_OUT Q1

ICS840024I
TABLE ORDERING INFORMATION

Part/Order Number

Marking

Package

Shipping Packaging Temperature

ICS840024AGI
20 Lead TSSOP
tube
-40°C to 85°C

ICS840024AGIT
20 Lead TSSOP
2500 tape & reel
-40°C to 85°C

ICS840024AGILF

ICS840024AIL 20 Lead "Lead-Free" TSSOP
tube
-40°C to 85°C

ICS840024AGILFT

ICS840024AIL 20 Lead "Lead-Free" TSSOP
2500 tape & reel
-40°C to 85°C

NOTE Parts that are ordered with an "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.

While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology, Incorporated IDT assumes no responsibility for either its use or for infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial and industrial applications. Any other applications such as those requiring high reliability or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.
840024AGI

ICS840024I

FEMTOCLOCKS CRYSTAL-TO-

LVCMOS/LVTTL FREQUENCY SYNTHESIZER

Page 17
Description of Change Ordering Information Table - added lead-free marking.

Date 12/21/07
840024AGI

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived 840024AGILFT Datasheet file may be downloaded here without warranties.

Datasheet ID: 840024AGILFT 637089