844004BGI-01 datasheet, PDF - EEWORLD Datasheet

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844004BGI-01: DescriptionClock Generator, 156.25MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24; CategoryThe embedded processor and controller Microcontrollers and processors; File Size1MB，16 Pages; ManufacturerIDT (Integrated Device Technology)

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844004BGI-01 Overview

Clock Generator, 156.25MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24

844004BGI-01 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	IDT (Integrated Device Technology)
Parts packaging code	TSSOP
package instruction	4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24
Contacts	24
Reach Compliance Code	not_compliant
ECCN code	EAR99
Other features	ALSO OPERATES AT 3.3V SUPPLY
JESD-30 code	R-PDSO-G24
JESD-609 code	e0
length	7.8 mm
Number of terminals	24
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output clock frequency	156.25 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP24,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	225
power supply	2.5/3.3 V
Master clock/crystal nominal frequency	27.2 MHz
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum slew rate	64 mA
Maximum supply voltage	2.625 V
Minimum supply voltage	2.375 V
Nominal supply voltage	2.5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	4.4 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER
Base Number Matches	1

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FemtoClock

Crystal-to-LVDS

Frequency Synthesizer

NRND – Not Recommend for New Designs

ICS844004I-01

NRND

DATA SHEET

General Description

The ICS844004I-01 is a 4 output LVDS Synthesizer optimized to

generate Ethernet reference clock frequencies. Using a 25MHz

18pF parallel resonant crystal, the following frequencies can be

generated based on the 2 frequency select pins (F_SEL[1:0]):

156.25MHz, 125MHz and 62.5MHz. The ICS844004I-01 uses IDT’s

generation low phase noise VCO technology and can achieve

<1ps typical rms phase jitter, easily meeting Ethernet jitter

requirements. The ICS844004I-01 is packaged in a small 24-pin

TSSOP package.

Features

•

Four LVDS output pairs

Selectable crystal oscillator interface or LVCMOS/LVTTL

single-ended input

Supports the following output frequencies: 156.25MHz, 125MHz,

62.5MHz

VCO range: 560MHz - 680MHz

RMS phase jitter @ 156.25MHz, using a 25MHz crystal

(1.875MHz - 20MHz): 0.41ps (typical)

Full 3.3V or 2.5V supply modes

-40°C to 85°C ambient operating temperature

Available in both standard (RoHS 5) and lead-free (RoHS 6)

packages

Not Recommended For New Designs

Frequency Select Function Table

Inputs

F_SEL1

F_SEL0

M Div. Value

N Div. Value

not used

M/N Div. Value

6.25

2.5

Output Frequency (MHz),

(25MHz Ref.)

156.25 (default)

125

62.5

not used

Block Diagram

F_SEL[1:0]

nPLL_SEL

Pulldown

Pin Assignment

nQ1

DDO

nQ0

nPLL_SEL

DDA

F_SEL0

F_SEL1

REF_CLK

Pulldown

XTAL_IN

XTAL_OUT

nXTAL_SEL

25MHz

OSC

Phase

Detector

VCO

625MHz

(w/25MHz

Reference)

F_SEL[1:0]

0 0 ÷4 (default)

0 1 ÷5

1 0 ÷10

1 1 not used

nQ0

nQ1

nQ2

DDO

nQ3

GND

nXTAL_SEL

REF_CLK

GND

XTAL_IN

XTAL_OUT

Pulldown

M = 25 (fixed)

nQ3

Pulldown

ICS844004I-01

24-Lead TSSOP

4.4mm x 7.8mm x 0.92mm

package body

G Package

Top View

ICS844004BGI-01 REVISION A MAY 20, 2013

844004BGI-01 Related Products

	844004BGI-01	844004BGI-01T
Description	Clock Generator, 156.25MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24	Clock Generator, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24
Is it lead-free?	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible
Maker	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)
Parts packaging code	TSSOP	TSSOP
package instruction	4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24	4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24
Contacts	24	24
Reach Compliance Code	not_compliant	not_compliant
ECCN code	EAR99	EAR99
Other features	ALSO OPERATES AT 3.3V SUPPLY	ALSO OPERATES AT 3.3V SUPPLY
JESD-30 code	R-PDSO-G24	R-PDSO-G24
JESD-609 code	e0	e0
length	7.8 mm	7.8 mm
Number of terminals	24	24
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP
Encapsulate equivalent code	TSSOP24,.25	TSSOP24,.25
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	225	225
power supply	2.5/3.3 V	2.5/3.3 V
Master clock/crystal nominal frequency	27.2 MHz	27.2 MHz
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.2 mm	1.2 mm
Maximum slew rate	64 mA	64 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	TIN LEAD	TIN LEAD
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	4.4 mm	4.4 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER
Base Number Matches	1	1

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