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844251BGI-14LFT

Description
TSSOP-8, Reel
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size352KB,15 Pages
ManufacturerIDT (Integrated Device Technology)
Environmental Compliance
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844251BGI-14LFT Overview

TSSOP-8, Reel

844251BGI-14LFT 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 codeTSSOP
package instructionTSSOP-8
Contacts8
Manufacturer packaging codePGG8
Reach Compliance Codecompliant
ECCN codeEAR99
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.4 mm
Humidity sensitivity level1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output clock frequency750 MHz
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
power supply2.5 V
Master clock/crystal nominal frequency25 MHz
Certification statusNot Qualified
Maximum seat height1.2 mm
Maximum slew rate95 mA
Maximum supply voltage2.625 V
Minimum supply voltage2.375 V
Nominal supply voltage2.5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
uPs/uCs/peripheral integrated circuit typeCLOCK GENERATOR, OTHER
Base Number Matches1
FemtoClock™ Crystal-to-LVDS
Clock Generator
PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES MAY 6, 2017
ICS844251I-14
DATA SHEET
General Description
The ICS844251I-14 is an Ethernet Clock Generator.
The ICS844251I-14 uses an 18pF parallel resonant
HiPerClockS™
crystal over the range of 23.2MHz – 30MHz. For
Ethernet applications, a 25MHz crystal is used. The
device has excellent <1ps phase jitter performance,
over the 1.875MHz – 20MHz integration range. The ICS844251I-14
is packaged in a small 8-pin TSSOP, making it ideal for use in
systems with limited board space.
Features
One differential LVDS output pair
Crystal oscillator interface designed for an 18pF, parallel resonant
crystal (23.2MHz – 30MHz)
Output frequency ranges: 145MHz – 187.5MHz and
580MHz – 750MHz
VCO range: 580MHz – 750MHz
RMS phase jitter at 156.25MHz, using a 25MHz crystal
(1.875MHz – 20MHz): 0.53ps (typical)
Full 2.5V output supply mode
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
For functional replacement part use 8T49N242
ICS
Common Configuration Table
Inputs
Crystal Frequency (MHz)
25
26.67
25 (default)
FREQ_SEL
1
1
0
M
25
25
25
N
1
1
4
Multiplication Value M/N
25
25
6.25
Output Frequency Range
(MHz)
625
666.67
156.25
Block Diagram
FREQ_SEL
Pulldown
Pin Assignment
V
DDA
GND
XTAL_OUT
XTAL_IN
1
2
3
4
8
7
6
5
V
DD
Q
nQ
FREQ_SEL
XTAL_IN
OSC
XTAL_OUT
Phase
Detector
VCO
580MHz - 750MHz
FREQ_SEL
0
(default)
1
N
÷4
÷1
Q
nQ
M = ÷25
(fixed)
ICS844251I-14
8 Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
ICS844251BGI-14 REVISION A June 6, 2016
1
©2016 Integrated Device Technology, Inc.

844251BGI-14LFT Related Products

844251BGI-14LFT 844251BGI-14LF
Description TSSOP-8, Reel TSSOP-8, Tube
Brand Name Integrated Device Technology Integrated Device Technology
Is it lead-free? Lead free Lead free
Is it Rohs certified? conform to conform to
Maker IDT (Integrated Device Technology) IDT (Integrated Device Technology)
Parts packaging code TSSOP TSSOP
package instruction TSSOP-8 TSSOP-8
Contacts 8 8
Manufacturer packaging code PGG8 PGG8
Reach Compliance Code compliant compliant
ECCN code EAR99 EAR99
JESD-30 code R-PDSO-G8 R-PDSO-G8
JESD-609 code e3 e3
length 4.4 mm 4.4 mm
Humidity sensitivity level 1 1
Number of terminals 8 8
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
Maximum output clock frequency 750 MHz 750 MHz
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TSSOP TSSOP
Encapsulate equivalent code TSSOP8,.25 TSSOP8,.25
Package shape RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 260
power supply 2.5 V 2.5 V
Master clock/crystal nominal frequency 25 MHz 25 MHz
Certification status Not Qualified Not Qualified
Maximum seat height 1.2 mm 1.2 mm
Maximum slew rate 95 mA 95 mA
Maximum supply voltage 2.625 V 2.625 V
Minimum supply voltage 2.375 V 2.375 V
Nominal supply voltage 2.5 V 2.5 V
surface mount YES YES
technology CMOS CMOS
Temperature level INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) - annealed Matte Tin (Sn) - annealed
Terminal form GULL WING GULL WING
Terminal pitch 0.65 mm 0.65 mm
Terminal location DUAL DUAL
Maximum time at peak reflow temperature 30 30
width 3 mm 3 mm
uPs/uCs/peripheral integrated circuit type CLOCK GENERATOR, OTHER CLOCK GENERATOR, OTHER
Base Number Matches 1 1
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