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843751AMLFT

Description
Clock Generators & Support Products FemtoClock SAS/SATA Clock Generator
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size209KB,17 Pages
ManufacturerIDT (Integrated Device Technology)
Environmental Compliance
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843751AMLFT Overview

Clock Generators & Support Products FemtoClock SAS/SATA Clock Generator

843751AMLFT Parametric

Parameter NameAttribute value
Brand NameIntegrated Device Technology
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerIDT (Integrated Device Technology)
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Manufacturer packaging codeDCG8
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresCAN ALSO OPERATES WITH 2.375V TO 2.625V SUPPLY
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output clock frequency75 MHz
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
power supply2.5/3.3 V
Master clock/crystal nominal frequency25 MHz
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum slew rate77 mA
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
uPs/uCs/peripheral integrated circuit typeCLOCK GENERATOR, OTHER
Base Number Matches1
FemtoClock™ SAS/SATA Clock Generator
843751
DATA SHEET
General Description
The 843751 is a low jitter, high performance clock generator. The
843751 is designed for use in the SAS-2 interconnect and the three
transport protocols that use the SAS-2 interconnect: Serial SCSI
Protocol (SSP), Serial ATA Tunneled Protocol (STP), and Serial
Management Protocol (SMP). The 843751 has excellent (<1ps)
RMS phase jitter, over the SAS defined integration range. The
843751 uses an external, 25MHz, parallel resonant crystal to
generate 75MHz. This silicon based approach provides excellent
frequency stability and reliability. The 843751 features up, down, and
center spread spectrum (SSC) clocking techniques. The up, down
and center SSC will be required in the SAS-2 applications that have
three clock trees in the HBA and expander ASICs.
Features
Designed for use in SAS, SAS-2 systems
Up, down and center Spread Spectrum Clocking (SSC)
One differential 3.3V or 2.5V LVPECL output pair
Output frequency: 75MHz
RMS phase jitter @ 75MHz, (900kHz – 7.5MHz):
0.734ps (typical) @ 3.3V
3.3V or 2.5V operating supply modes
0°C to 70°C ambient operating temperature
Available in lead-free (RoHS 6) package
Functional replacement part: 843002AYLF
Applications
SAS/SATA Host Bus Adapters
SATA Port Multipliers
SAS I/O Controllers
TapeDrive and HDD Array Controllers
SAS Edge and Fanout Expanders
HDDs and TapeDrives
Disk Storage Enterprise
Block Diagram
XTAL_IN
XTAL_OUT
SSC_SEL[1:0]
Pulldown
25MHz
75MHz
Pin Assignment
FemtoClock™
PLL
Q
nQ
OSC
843751
8-Lead SOIC, 150 Mil
3.90mm x 4.90mm x 1.375mm package body
M Package
Top View
843751 REVISION B 08.21.15
1
©2015 Integrated Device Technology, Inc.

843751AMLFT Related Products

843751AMLFT
Description Clock Generators & Support Products FemtoClock SAS/SATA Clock Generator
Brand Name Integrated Device Technology
Is it lead-free? Lead free
Is it Rohs certified? conform to
Maker IDT (Integrated Device Technology)
Parts packaging code SOIC
package instruction SOP, SOP8,.25
Contacts 8
Manufacturer packaging code DCG8
Reach Compliance Code compliant
ECCN code EAR99
Other features CAN ALSO OPERATES WITH 2.375V TO 2.625V SUPPLY
JESD-30 code R-PDSO-G8
JESD-609 code e3
length 4.9 mm
Humidity sensitivity level 1
Number of terminals 8
Maximum operating temperature 70 °C
Maximum output clock frequency 75 MHz
Package body material PLASTIC/EPOXY
encapsulated code SOP
Encapsulate equivalent code SOP8,.25
Package shape RECTANGULAR
Package form SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260
power supply 2.5/3.3 V
Master clock/crystal nominal frequency 25 MHz
Certification status Not Qualified
Maximum seat height 1.75 mm
Maximum slew rate 77 mA
Maximum supply voltage 3.465 V
Minimum supply voltage 3.135 V
Nominal supply voltage 3.3 V
surface mount YES
technology CMOS
Temperature level COMMERCIAL
Terminal surface Matte Tin (Sn) - annealed
Terminal form GULL WING
Terminal pitch 1.27 mm
Terminal location DUAL
Maximum time at peak reflow temperature NOT SPECIFIED
width 3.9 mm
uPs/uCs/peripheral integrated circuit type CLOCK GENERATOR, OTHER
Base Number Matches 1
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