844021BG-01LF datasheet, PDF - EEWORLD Datasheet

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844021BG-01LF: Description170 MHz, OTHER CLOCK GENERATOR, PDSO8; Categorysemiconductor The embedded processor and controller; File Size246KB，14 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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844021BG-01LF Overview

170 MHz, OTHER CLOCK GENERATOR, PDSO8

844021BG-01LF Parametric

Parameter Name	Attribute value
Number of terminals	8
Minimum operating temperature	0.0 Cel
Maximum operating temperature	70 Cel
Processing package description	4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-8
each_compli	Yes
EU RoHS regulations	Yes
state	NRFND
microprocessor_microcontroller_peripheral_ic_type	CLOCK GENERATOR, OTHER
jesd_30_code	R-PDSO-G8
jesd_609_code	e3
moisture_sensitivity_level	NOT SPECIFIED
utput_clock_frequency_max	170 MHz
Packaging Materials	PLASTIC/EPOXY
ckage_code	TSSOP
ckage_equivalence_code	TSSOP8,.25
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
eak_reflow_temperature__cel_	260
wer_supplies	2.5/3.3
imary_clock_crystal_frequency_nom	34 MHz
qualification_status	COMMERCIAL
seated_height_max	1.2 mm
sub_category	Clock Generators
Maximum supply voltage	75 mA
Rated supply voltage	2.5 V
Minimum supply voltage	2.38 V
Maximum supply voltage	2.62 V
surface mount	YES
Temperature level	COMMERCIAL
terminal coating	MATTE TIN
Terminal form	GULL WING
Terminal spacing	0.6500 mm
Terminal location	DUAL
ime_peak_reflow_temperature_max__s_	30
length	4.4 mm
width	3 mm
dditional_feature	ALSO OPERATES AT 3.3V SUPPLY

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FemtoClock

Crystal-to-LVDS

Clock Generator

ENERAL

ESCRIPTION

The 844021-01 is an Ethernet Clock Generator. The 844021-01

uses an 18pF parallel resonant crystal over the range of 24.5MHz

– 34MHz. For Ethernet applications, a 25MHz crystal is used. The

844021-01 has excellent <1ps phase jitter performance, over the

1.875MHz – 20MHz integration range. The 844021-01 is packaged

in a small 8-pin TSSOP, making it ideal for use in systems with

limited board space.

844021-01

DATA SHEET

EATURES

•

One Differential LVDS output

•

Crystal oscillator interface, 18pF parallel resonant crystal

(24.5MHz

–

34MHz)

•

Output frequency range: 122.5MHz

–

170MHz

•

VCO range: 490MHz

–

680MHz

•

RMS phase jitter @ 125MHz, using a 25MHz crystal

(1.875MHz

–

20MHz): 0.32ps (typical) @ 3.3V

•

3.3V or 2.5V operating supply

•

0°C to 70°C ambient operating temperature

•

Available in lead-free (RoHS 6) package

OMMON

ONFIGURATION

ABLE

- Gb E

THERNET

Inputs

Crystal Frequency (MHz)

26.666

33.33

Multiplication

Value M/N

Output Frequency

(MHz)

125

133.33

166.66

LOCK

IAGRAM

Pullup

SSIGNMENT

DDA

GND

XTAL_OUT

XTAL_IN

OSC

XTAL_OUT

Phase

Detector

VCO

490MHz - 680MHz

N = ÷4

(fixed)

844021-01

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm

package body

G Package

Top View

M = ÷20

(fixed)

844021-01 REVISION A 10/26/15

844021BG-01LF Related Products

	844021BG-01LF	844021BG-01	844021BG-01T	ICS844021-01
Description	170 MHz, OTHER CLOCK GENERATOR, PDSO8	170 MHz, OTHER CLOCK GENERATOR, PDSO8	170 MHz, OTHER CLOCK GENERATOR, PDSO8	170 MHz, OTHER CLOCK GENERATOR, PDSO8
Number of terminals	8	8	8	8
Minimum operating temperature	0.0 Cel	0.0 Cel	0.0 Cel	0.0 Cel
Maximum operating temperature	70 Cel	70 Cel	70 Cel	70 Cel
Processing package description	4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-8	4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-8	4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-8	4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-8
each_compli	Yes	Yes	Yes	Yes
EU RoHS regulations	Yes	Yes	Yes	Yes
state	NRFND	NRFND	NRFND	NRFND
microprocessor_microcontroller_peripheral_ic_type	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER
jesd_30_code	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
jesd_609_code	e3	e3	e3	e3
moisture_sensitivity_level	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
utput_clock_frequency_max	170 MHz	170 MHz	170 MHz	170 MHz
Packaging Materials	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
ckage_code	TSSOP	TSSOP	TSSOP	TSSOP
ckage_equivalence_code	TSSOP8,.25	TSSOP8,.25	TSSOP8,.25	TSSOP8,.25
packaging shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package Size	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
eak_reflow_temperature__cel_	260	260	260	260
wer_supplies	2.5/3.3	2.5/3.3	2.5/3.3	2.5/3.3
imary_clock_crystal_frequency_nom	34 MHz	34 MHz	34 MHz	34 MHz
qualification_status	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
seated_height_max	1.2 mm	1.2 mm	1.2 mm	1.2 mm
sub_category	Clock Generators	Clock Generators	Clock Generators	Clock Generators
Rated supply voltage	2.5 V	2.5 V	2.5 V	2.5 V
Minimum supply voltage	2.38 V	2.38 V	2.38 V	2.38 V
surface mount	YES	YES	YES	YES
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
terminal coating	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal spacing	0.6500 mm	0.6500 mm	0.6500 mm	0.6500 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
ime_peak_reflow_temperature_max__s_	30	30	30	30
length	4.4 mm	4.4 mm	4.4 mm	4.4 mm
width	3 mm	3 mm	3 mm	3 mm
dditional_feature	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY
Maximum supply voltage	2.62 V	2.62 V	2.62 V	2.62 V

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