IDT, Integrated Device Technology Inc MK1491E-14RTR

Name: MK1491E-14RTR
Brand: IDT, Integrated Device Technology Inc
SKU: 2973003-MK1491E-14RTR
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: MK1491E-14RTR

Manufacturer:: IDT, Integrated Device Technology Inc

Ventron No:: 2973003-MK1491E-14RTR

Description:: IC CLK FREQ SYNTH CPU 75MHZ

ECAD Model:

Datasheet:: MK1491-14

Overview

Description
Lowcost, lowjitter, highperformance clock synthesizer for OPTI's Firestar and Firestar chipsets
Uses analog PhaseLocked Loop (PLL) techniques
14.318 MHz crystal input
Produces multiple output clocks up to 75 MHz
Selectable Host and PCI local bus clocks
Selectable clocks for Super I/O or Universal Serial Bus (USB)
Up to seven Host output clocks
Three power down modes

Features
Packaged in 28pin, 150 mil wide SSOP
Provides critical timing for OPTI ACPI Firestar and Firestar
Early Host clock of 3.5 ns
Separate VDD and skew adjust for Host 5, 6, and 7
Supports field upgrade to Firestar and new 2.5 V processors
48 MHz USB, 24 MHz SIO, and Audio clock support
Singlepin CPU (Host) slowdown to 33.3 MHz
Multiple power down modes
Low EMI Enable pin reduces EMI radiation

Applications
Pentium™ M Processorbased mobile computer applications

Specifications

IDT, Integrated Device Technology Inc MK1491E-14RTR technical specifications, attributes, parameters and parts with similar specifications to IDT, Integrated Device Technology Inc MK1491E-14RTR.

Mounting Type
Surface Mount
Package / Case
28-SSOP (0.154, 3.90mm Width)
Operating Temperature
0°C~70°C
Packaging
Tape & Reel (TR)
Part Status
Obsolete
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Voltage - Supply
3V~3.6V
Base Part Number
MK1491-14
Output
Clock
Number of Circuits
1
Frequency (Max)
75MHz
Input
Crystal
Ratio - Input:Output
1:15
PLL
No
Differential - Input:Output
No/No
Main Purpose
Intel CPU, OPTi Firestar/Firestar chipset
RoHS Status
Non-RoHS Compliant

Product Comparison

The three parts on the right have similar specifications to MK1491E-14RTR.

Image

Part Number

Manufacturer

Mounting Type

Package / Case

Operating Temperature

Packaging

Part Status

Moisture Sensitivity Level (MSL)

Voltage - Supply

Base Part Number

Output

Number of Circuits

Frequency (Max)

Input

Ratio - Input:Output

PLL

Differential - Input:Output

Main Purpose

RoHS Status

Factory Lead Time

Mount

Number of Pins

Published

JESD-609 Code

Pbfree Code

Number of Terminations

ECCN Code

Terminal Finish

Max Operating Temperature

Min Operating Temperature

Terminal Position

Terminal Form

Peak Reflow Temperature (Cel)

Number of Functions

Supply Voltage

Reflow Temperature-Max (s)

Pin Count

Qualification Status

Operating Supply Voltage

Temperature Grade

Max Supply Voltage

Min Supply Voltage

Nominal Supply Current

Output Characteristics

Number of True Outputs

Number of Inverted Outputs

Length

Width

Thickness

Lead Free

Technology

Terminal Pitch

uPs/uCs/Peripheral ICs Type

Primary Clock/Crystal Frequency-Nom

Contact Plating

Subcategory

Radiation Hardening

View Compare
MK1491E-14RTR

IDT, Integrated Device Technology Inc

Surface Mount

28-SSOP (0.154, 3.90mm Width)

0°C~70°C

Tape & Reel (TR)

Obsolete

1 (Unlimited)

3V~3.6V

MK1491-14

Clock

1

75MHz

Crystal

1:15

No

No/No

Intel CPU, OPTi Firestar/Firestar chipset

Non-RoHS Compliant

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-
MK1493-05GILF

IDT, Integrated Device Technology Inc

-

TSSOP

-

-

Active

1

-

-

-

1

100MHz

Clock

-

Yes

-

-

RoHS Compliant

7 Weeks

Surface Mount

16

1999

e3

yes

16

EAR99

Matte Tin (Sn) - annealed

85°C

-40°C

DUAL

GULL WING

260

1

3.3V

NOT SPECIFIED

16

Not Qualified

3.3V

INDUSTRIAL

3.465V

3.135V

55mA

3-STATE

1

1

5mm

4.4mm

1mm

Lead Free

-

-

-

-

-

-

-

MK1491E-14RTR vs MK1493-05GILF
MK1491E-14RLF

IDT, Integrated Device Technology Inc

-

QSOP

-

Rail/Tube

Discontinued

-

-

-

-

1

75MHz

Crystal

-

No

-

-

RoHS Compliant

-

Surface Mount

28

2001

e3

yes

28

EAR99

MATTE TIN

70°C

0°C

DUAL

GULL WING

260

-

3.3V

-

28

-

-

COMMERCIAL

3.6V

-

-

-

-

-

9.9mm

3.8mm

1.47mm

Lead Free

CMOS

0.635mm

CLOCK GENERATOR, PROCESSOR SPECIFIC

14.31818MHz

-

-

-

MK1491E-14RTR vs MK1491E-14RLF
MK1491-09FILNTR

IDT, Integrated Device Technology Inc

-

SSOP

-

Tape and Reel

Active

1

-

-

-

1

66MHz

Crystal

-

-

-

-

RoHS Compliant

7 Weeks

Surface Mount

28

1999

e3

yes

28

-

-

85°C

-40°C

DUAL

GULL WING

260

-

3.3V

-

28

-

3.3V

INDUSTRIAL

3.46V

3.13V

60mA

-

-

-

10.2mm

5.3mm

1.73mm

Lead Free

CMOS

0.65mm

CLOCK GENERATOR, PROCESSOR SPECIFIC

14.31818MHz

Tin

Clock Generators

No

MK1491E-14RTR vs MK1491-09FILNTR